i
Table of Contents
LTC1872 Constant Frequency Current Mode Step-Up DC/DC Controller in SOT-23 .................................................................................. 1-45
LTC1874 Dual Constant Frequency Current Mode Step-Down DC/DC Controller ...................................................................................... 1-46
LTC1876 High Efficiency, 2-Phase, Synchronous, Dual, Step-Down Switching Controller with Step-Up Regulator .................................. 1-47
LTC1922-1 Synchronous Phase Shift Full-Bridge Controller ..................................................................................................................... 1-48
Power–SIM Power Supply
LTC1555L-1.8 SIM Power Supply and Level Translator ............................................................................................................................ 1-49
SECTION 2 – Selection Guides
Product Families Overview .......................................................................................................................................................................... 2-2
Analog-to-Digital Converters ....................................................................................................................................................................... 2-3
Digital-to-Analog Converters ....................................................................................................................................................................... 2-8
Voltage References .................................................................................................................................................................................... 2-11
Interface Circuits, Bus Drivers and Receivers ............................................................................................................................................. 2-15
Operational Amplifiers ............................................................................................................................................................................... 2-21
Video Products and Multimedia ................................................................................................................................................................. 2-42
High Speed Modem Solutions ....................................................................................................................................................................2-43
Instrumentation Amplifiers/Current Sense Amplifiers.................................................................................................................................2-44
Comparators ...............................................................................................................................................................................................2-46
Filter Circuits ............................................................................................................................................................................................. 2-48
Battery Chargers and Monitors .................................................................................................................................................................. 2-54
Linear Regulators ...................................................................................................................................................................................... 2-55
Switching Regulators ................................................................................................................................................................................ 2-60
DC/DC Converter Module Replacement ..................................................................................................................................................... 2-72
Charge Pump DC/DC Converters ............................................................................................................................................................... 2-74
Switch Drivers ........................................................................................................................................................................................... 2-79
High Side and Synchronous N-Channel MOSFET Drivers ...........................................................................................................................2-80
Cell Phone and Wireless/Analog Switches/Other Products ........................................................................................................................ 2-81
Hot Swap Products .................................................................................................................................................................................... 2-82
Power Management Circuits .......................................................................................................................................................................2-86
Supervisory Products ................................................................................................................................................................................ 2-87
3V and Below Analog ICs............................................................................................................................................................................2-89
Micro-Package Products ........................................................................................................................................................................... 2-95
Package Outlines, Cross References, Relative Size and Markings ............................................................................................................. 2-96
SECTION 3 – Military and Space
Military and Space Products from Linear Technology ................................................................................................................................. 3-2
Space Level Devices............................................................................................................................................................................. 3-2
Military Devices.................................................................................................................................................................................... 3-3
883 Military Devices............................................................................................................................................................................. 3-4
SECTION 4 – Design Tools
Application Notes ........................................................................................................................................................................................ 4-2
Design Notes ............................................................................................................................................................................................... 4-7
World Wide Web Site ................................................................................................................................................................................ 4-10
CD-ROM Catalog ....................................................................................................................................................................................... 4-11
Applications on Disk .................................................................................................................................................................................. 4-11
Technical Publications ............................................................................................................................................................................... 4-12
SECTION 5 – Product Usage Guides
Factory/Process Control/Industrial Automation ........................................................................................................................................... 5-2
“Notebook/Laptop” Computer ..................................................................................................................................................................... 5-5
“PDA/Palmtop” Computer ........................................................................................................................................................................... 5-6
Handheld Instruments ................................................................................................................................................................................. 5-7
Communications ......................................................................................................................................................................................... 5-8
Cellular Base Station .................................................................................................................................................................................... 5-9
Cellular Phone ........................................................................................................................................................................................... 5-10
Automotive 12V, 24V and 42V Systems .....................................................................................................................................................5-11
2-3
Selection
Guides
Analog-to-Digital Converters
Data Conversion
LTC1092 5V, 38ksps
LTC1197 5V, 500ksps, SO-8
LTC1197L 3V, 250ksps, MSOP
LTC1285 3V, Micropower, SO-8
LTC1286 5V, Micropower, SO-8
LTC1287 3V, 30ksps
LTC1292 5V, 60ksps
LTC1297 5V, 50ksps
LTC1400 5V, 400ksps w/Ref in SO-8
LTC1401 3V, 200ksps with Ref in SO-8
LTC1402, 5V or ±5V, 2.2Msps, 16-Pin SSOP
LTC1404 5V, 600ksps with Ref in SO-8
LTC1096 5V, Micropower, SO-8
LTC1096L 3V, Micropower, SO-8
LTC1196 3V to 5V, 1Msps, SO-8
LTC1098 5V, 2-Ch, Micropower, SO-8
LTC1098L 3V, 2-Ch Micropower, SO-8
LTC1198 3V to 5V, 2-Ch 750ksps, SO-8
LTC1090 5V, 8-Ch 30ksps
LTC1091 5V, 2-Ch 31ksps
LTC1093 5V, 6-Ch 38ksps
LTC1094 5V, 8-Ch 26ksps
LTC1199 5V, 2-Ch 450ksps, SO-8
LTC1199L 3V, 2-Ch 210ksps, MSOP
LTC1283 3V, 8-Ch 15ksps
LTC1392 Temp., VCC Monitor and
Differential ADC
LTC1288 3V, 2-Ch Micropower, SO-8
LTC1289 3V, 8-Ch 25ksps
LTC1290 5V, 8-Ch 50ksps
LTC1291 5V, 2-Ch 54ksps
LTC1293 5V, 6-Ch 46ksps
LTC1294 5V, 8-Ch 46ksps
LTC1296 5V, 8-Ch 46ksps
LTC1298 5V, 2-Ch Micropower, SO-8
LTC1594 5V, 4-Ch Micropower
LTC1594L 3V, 4-Ch Micropower
LTC1598 5V, 8-Ch Micropower
LTC1598L 3V, 8-Ch Micropower
8-Bit
10-Bit
12-Bit
LTC1417 5V or ±5V, 400ksps,
20mW in 16-Pin SSOP
LTC1418 5V or ±5V, 200ksps,
15mW with Serial/Parallel I/O
LTC2400 4ppm INL, 200µA, SO-8
No Latency ∆
∑
ADC
LTC2401 4ppm INL, 200µA in MS-10
No Latency ∆
∑
ADC
LTC2410 Differential Input, Differential Reference
No Latency ∆
∑
ADC
LTC2411 Differential Input, MSOP Package
LTC2413 Simultaneous 50Hz and 60Hz Rejection
LTC2415 Differential Input, Differential Reference,
15Hz Output Rate
14-Bit
LTC2424, 4-Ch
No Latency, ∆
∑
ADC
LTC2428, 8-Ch
No Latency, ∆
∑
ADC
20-Bit
20-Bit
8-Bit
LTC1099 5V, 400ksps
LTC1406 5V, 20Msps
8-Bit
LTC1851 5V, 8-Ch.,
1Msps, SSOP 48
12-Bit
10-Bit
12-Bit
Bold indicates new product
No Latency ∆Σ is a trademark of Linear Technology
LTC2402 2-Ch in MS-10
No Latency ∆
∑
ADC
LTC2404 3V to 5V, 4-Ch
No Latency ∆
∑
ADC
LTC2408 3V to 5V, 8-Ch
No Latency ∆
∑
ADC
24-Bit
LTC1272 5V, 250ksps, 0V to 5V Input
LTC1273 5V, 300ksps, 0V to 5V Input
LTC1274 5V, 100ksps,10mW
LTC1275 ±5V, 300ksps, ±2.5V Input
LTC1276 ±5V, 300ksps, ±5V Input
LTC1277 5V, 100ksps, 2 Byte I/O
LTC1278-4 5V, 400ksps, 75mW
LTC1278-5 5V, 500ksps, 75mW
LTC1279 5V, 600ksps, 60mW
LTC1282 3V or ±3V, 140ksps, 0V to 2.5V
or ±1.25V Inputs
LTC1405 5V or ±5V, 5Msps, in SSOP-28
LTC1409 ±5V, 800ksps, 80mW
LTC1410 ±5V, 1.25Msps, 71dB SINAD
LTC1412 ±5V, 3Msps, 71dB SINAD
LTC1415 5V, 1.25Msps, 55mW
LTC1420 ±5V or 5V, 10Msps
LTC1411 5V, 2.5Msps
LTC1414 ±5V, 2.2Msps
LTC1416 ±5V, 400ksps
LTC1418 5V, 200ksps, 15mW with
Serial/Parallel I/O
LTC1419 ±5V, 800ksps, 95dB SFDR
LTC1604 ±5V, 333ksps
LTC1605 5V, 100ksps, 80mW, ±10V Input
LTC1605-1 5V, 100ksps, 0V to 4V Input
LTC1605-2 5V, 100ksps, ±4V Input
LTC1606, 5V, 250ksps, ±10V Input
LTC1608, ±5V, 500ksps
12-Bit
14-Bit
16-Bit
LTC2420 4ppm INL, 200µA
No Latency ∆
∑
™ ADC
16-Bit
LTC1609, 200ksps, 5V,
Unipolar or Bipolar Input
Serial
Analog-to-Digital Converters
Parallel
Multiplexed Multiplexed
24-Bit
Single Single
2-8
Data Conversion
Dual
LTC1661
120µA, MSOP
LTC1662
1.5µA per DAC,
MSOP
Quad
LTC1664
380µA, SSOP-16
Single
LTC1257
5V to 15V, SO-8
LTC1451 5V,
Micropower, SO-8
LTC1452 3V to 5V,
Micropower, SO-8
LTC1453 3V,
Micropower, SO-8
LTC1456 5V,
Micropower, SO-8
LTC1659 3V to 5V,
Micropower, MSOP
Single
LTC1658
3V to 5V,
Micropower,
MSOP
Serial
LTC1650
±5V, Deglitched
LTC1655
5V, Micropower, SO-8
LTC1655L
3V, Micropower, SO-8
Octal
LTC1665
450µA, SSOP-16
Single
LTC1663
2-Wire Interface
Dual
LTC1446 5V,
Micropower, SO-8
LTC1446L 3V,
Micropower, SO-8
LTC1448 3V to 5V,
Micropower, SO-8
LTC1454 5V,
Micropower
LTC1454L 3V,
Micropower
Dual
LTC1654
3V to 5V,
Micropower
Quad
LTC1458 5V,
Micropower
LTC1458L 3V,
Micropower
Parallel
LTC1450 5V, Micropower
LTC1450L 3V, Micropower
Parallel
LTC1657, 5V, Rail-to-Rail
28-Pin SSOP
LTC1657L, 3V, Rail-to-Rail
28-Pin MSOP
LTC1821 ±5V, ±15V
36-Pin Narrow SSOP
10-Bit
LTC1595
LTC8043 Pinout, SO-8
LTC1596/LTC1596-1, LTC8143 Pinout
“-1” Resets to Mid-Scale
Bold indicates new product.
Single
LTC7543
Industry Standard
LTC8043
Industry Standard, SO-8
LTC8143
Industry Standard
Parallel
LTC7541A Industry Standard
LTC7545A Industry Standard
Parallel
LTC1591/LTC1591-1
4-Quad. Resistors On-Chip
“-1” Resets to Mid-Scale
14-Bit
16-Bit
12-Bit
LTC1329-10 8-Bit, Pulse Mode
10µA Sourcing Current Output, SO-8
LTC1329-50 8-Bit, Pulse Mode
50µA Sourcing Current Output, SO-8
LTC1426 6-Bit Dual
PWM Voltage Output DAC, MSOP
LTC1427-50 10-Bit SMBus/I
2
C™
50µA Sourcing Current Output, SO-8
LTC1428-50 8-Bit, Pulse Mode
50µA Sinking Current Output, SO-8
8-Bit
LTC1668
50Msps, 87dB SFDR
16-Bit
14-Bit
12-Bit
Digital-to-Analog Converters
Voltage Output DACs High Speed DACs Multiplying IOUT DACs
Octal
LTC1660
450µA, SSOP-16
Special Purpose DACs
Dual
LTC1590
Dual, SO-16
Parallel
LTC1597/LTC1597-1
4-Quad. Resistors On-Chip
“-1” Resets to Mid-Scale
LTC1599
4-Quad. Resistors, 2-Byte Input
16-Bit
SOT-23!
2-11
Selection
Guides
VOLTAGE REFERENCES
1.25V
LT1389A-1.25
(10)
LT1634A-1.25
(10)
LT1389B-1.25
(20)
LT1634B-1.25
(25)
LT1634C-1.25
(25)
LT1034B-1.2
(20)
LT1034-1.2
(40)
(1.225V)
≤ 0.05%
LT1004-1.2
(50 Typ)
(1.235V)
Continued Next Page
≤ 0.5%≤0.1%
2.5V
LT1461A-2.5 (3)
LT1019A-2.5
(5)
LT1389-2.5
(10)
LT1634A-2.5
(10)
LT1634B-2.5
(25)
LT1790A-2.5 (10)
LTC1258-3 (40)
LTC1798-3 (40)
LT1460A-2.5 (10)
LT1460B-2.5 (10)
LT1460C-2.5 (15)
LT1460D-2.5 (20)
LT1461B-2.5 (7)
LT1461C-2.5 (12)
LT1790B-2.5 (25)
≤ 0.05% ≤ 0.1%
LT1460E-2.5 (20)
LT1019-2.5
(20)
LT1460H-2.5 (20)
LT1460J-2.5 (20)
LT1460F-2.5 (25)
LT1460G-2.5 (25)
LT1009
(25)
LT1634C-2.5 (25)
LT1460K-2.5 (50)
LT1461D-2.5 (20)
LTC1258C-2.5 (40)
LTC1798C-2.5 (40)
≤ 0.5%
LT1004-2.5
(50 Typ)
LT1034B-2.5
(20)
LT1034-2.5
(40)
≤ 1%
4.5V
LT1019A-4.5
(5)
LT1019-4.5
(20)
≤ 0.05% ≤ 0.2%
5V
LT1027B (2)
LT1027C (3)
LT1027D (5)
LT1236A-5
(5)
LT1019A-5
(5)
LT1027E (7.5)
LT1236B-5
(10)
LT1460A-5 (10)
LT1460B-5 (10)
LT1460C-5 (15)
LT1236C-5
(15)
LT1460D-5 (20)
LT1389-5
(50)
≤ 0.05% ≤ 0.1%
LT1019-5
(20)
LT1029A (20)
LT1460E-5 (20)
LT1460S3-5 (20)
LT1460F-5 (25)
LT1460G-5 (25)
LTC1258-5 (40)
LTC1798-5 (40)
≤ 0.5%
LT1021B-5 (5)
LT1021D-5 (20)
LT1029
(34)
≤ 1%
7V
LT1021B-7
(5)
LT1021D-7
(20)
LTZ1000
(0.05 Typ)
LM399A
(1)
LM399
(2)
≤ 1% ≤ 5%
10V
LT1236A-10 (5)
LT1019A-10
(5)
LT1031B
(5)
LT1021C-10
(20)
LT1236B-10 (5)
LT1236C-10 (15)
LT1031C
(15)
LT1460A-10 (10)
LT1460B-10 (10)
LT1460C-10 (15)
LT1460D-10 (20)
≤ 0.05%
Adjustable
LT1431
(30)
LTC1258 (60)
LTC1798 (60)
≤ 0.5%
≤ 0.1%
LT1021B-10
(5)
LT1019-10
(20)
LT1021D-10
(20)
LT1460E-10 (20)
LT1460H-10 (20)
LT1460J-10 (20)
LT1031D
(25)
LT1460F (25)
LT1460G-10 (25)
LT1460K-10 (50)
≤ 0.5%
Numbers in parentheses are maximum drift in ppm/°C
4.096V
LT1634A-4.096
(10)
LT1634B-4.096
(25)
LT1389-4.096
(50)
LT1634C-4.096
(25)
LTC1258-4.1 (40)
LTC1798-4.1 (40)
≤ 0.05%
3.0V
3.3V
≤ 0.5%
≤ 0.5%
LT1460H-3.3 (20)
LT1460J-3.3 (20)
LT1460K-3.3 (50)
≤ 0.5%
Voltage References
Reference Type:
Series
Shunt
Series or Shunt
2-12
Voltage References
1.25V
LT1389A-1.25
(0.6µA)
LT1634-1.25
(7µA)
LT1004-1.2
(10µA)
LT1034-1.2
(20µA)
Numbers in parentheses are
guaranteed operating currents
LT1634 (8
µ
A)
LT1389-2.5
(0.7µA)
LTC1258-2.5 (6.5µA)
LTC1798-2.5 (6.5µA)
LT1004-2.5
(20µA)
LT1034-2.5
(30µA)
LT1461-2.5 (50µA)
LT1790-2.5 (60µA)
LT1460-2.5 (130µA)
LT1460S3-2.5 (115µA)
2.5V
LTC1258-3 (6.5µA)
LTC1798-3 (6.5µA)
LT1460S3-3 (145µA)
3.0V
LT1389-4.096
(1µA)
LTC1258-4.1 (6.5µA)
LTC1798-4.1 (6.5µA)
LT1634-4.096
(15µA)
4.096V
LT1389-5
(1µA)
LTC1798-5 (6.5µA)
LT1634-5 (15µA)
LT1460S3-5 (160µA)
LT1460-5 (175µA)
5V
LT1460-10 (270µA)
LT1460S3-10 (215µA)
10V
LT1460S3- (145µA)
3.3V
LTC1258 (6.5µA)
LTC1798 (6.5µA)
Adjustable
Micropower
Numbers in parentheses are
maximum drift in ppm/°C
LTC1258-2.5 (40)
LT1461A-2.5 (3)
LT1461B-2.5 (8)
LT1461C-2.5 (12)
LT1790-2.5 (10)
LT1798-2.5 (40)
2.5V
LTC1258-3 (40)
LTC1798-3 (40)
3.0V
LTC1258-4.1 (40)
LTC1798-4.1 (40)
4.096V
LTC1258-5 (40)
LTC1798-5 (40)
5V
LT1431
(30)
LTC1258 (40)
LTC1798 (40)
Adjustable
Low Dropout Voltage
Continued From Page 2-11
Series Reference Shunt Reference
VIN
VZ (IC REFERENCE)
IZ
IL
RS
GND
VOUT
GND
VIN≥ 0.2V + VOUT
VIN IN OUT VOUT
Reference Type:
Series
Shunt
Series or Shunt
2-15
Selection
Guides
STANDARD INTERFACE
LT1331
LT1332
LTC1348
LTC1327
LTC1350
LT1133A
LT1137A
LT1141A
LT1237
LT1330
LT1331
LTC1337
LT1341
LT1342
LTC1347
LTC1349
LT1537
1 Rec’r Active in Shutdown, EIA 562 Compatible
1 Rec’r Active in Shutdown, 3V Logic, 12V Supply
5 Receivers Active in Shutdown, 3V Logic
3V Logic, EIA562
2 Receivers Active in Shutdown, 3V Logic, EIA562
(3Dx, 5Rx) PC/DTE Interface, ±15kV
3-State Outputs, ±15kV ESD
3-State Outputs, 12V Req’d, ±15kV ESD
1 Receiver Active in Shutdown, ±15kV ESD
1 Receiver Active in Shutdown, Also 3V Supply
1 Receiver Active in Shutdown, 3V or 5V Logic
3-State Outputs
1 Receiver Active in Shutdown
3V Logic, 5V Supply
5 Receivers Active in Shutdown
2 Receivers Active in Shutdown
5 Active in Shutdown, 3-State Outputs, 250kBaud
3.90
3.65
4.40
4.60
4.60
3.90
3.70
3.20
3.90
3.90
3.90
4.60
3.90
3.75
4.60
4.60
2.80
Price 1K*
RS232/562
3V Supply
PC Serial Ports
3 Drivers, 5 Receivers
Receivers Active in Shutdown, Charge Pump
Included, ±10kV/±15kV ESD Protection
5V Supply
LTC1385
LTC1386
LT1180A
LT1181A
LT1280A
LT1281A
LT1381
LTC1382
LTC1383
LTC1384
LT1780
LT1781
3V Logic, EIA562, 3-State, Shutdown
3V Logic, EIA562
0.1µF Caps, 3-State, Shutdown
0.1µF Caps
Very Low Power, 3-State, Shutdown
Very Low Power
Narrow SO Pkg
Ultra-Low Power, 3-State, Shutdown
Ultra-Low Power
2 Active in Shutdown, Rx Enable, 3-State, Shutdown
250kBaud, 3-State, Shutdown, ±15kV ESD
250kBaud, ±15kV ESD
3.40
2.95
2.40
2.40
2.65
2.65
1.90
3.40
2.95
3.40
2.75
2.75
3V Supply
5V Supply
LT1130A
LT1131A
LT1132A
LT1134A
LT1136A
LT1138A
LT1139A
LTC1338
(5Dx, 5Rx) Synchronous Communications
(5Dx, 5Rx) Modem/DCE Interface, 3-State, Shutdown
(3Dx, 3Rx) Modem/DCE Interface
(4Dx, 4Rx) 5V 1488/1489 Upgrade
(4Dx, 5Rx, PC/DTE Interface, 3-State, Shutdown
(5Dx, 3Rx) Modem/DCE Interface, 3-State, Shutdown
(4Dx, 4Rx) 1488/89 Upgrade, 12V Req’d, 3-State, Shutdown
(5Dx, 5Rx) Ultra Low Power, 3-State, Shutdown
3.90
3.90
3.90
3.70
3.90
3.90
3.90
5.05
LT1039-16
LT1039A
LT1135A
LT1140A
(3Dx, 3Rx) MC145406 Upgrade
(3Dx, 3Rx) 3-State, Shutdown, ±15kV ESD
(5Dx, 3Rx) Modem/DCE Interface
(5Dx, 3Rx) Modem/DCE Interface, 3-State, Shutdown
2.00
2.35
3.20
3.20
5V, ±12V Supplies
Single Supply
2 Drivers/2 Receivers
Other Driver/Receiver Combinations
Charge Pump Included, 3-State Outputs
When Shutdown, ±10kV/±15kV ESD, Immune to Latch-Up
(No Charge Pump)
LT1030
LT1032
*Price shown is unit price (lowest cost package version) when purchased in quantities of 1000
(4Dx) 1488 Upgrade, 3-State, Shutdown
(4Dx) 1488 Upgrade, RS423, 3-State, Shutdown
1.60
2.45
5V Supply
(With Charge Pump)
±12V Supplies
±10kV/±15kV ESD
Continued Next Page
Interface
2-16
STANDARD INTERFACE
RS485/RS422
RS423
High Speed
Low Power
RS485 Devices
Shutdown/3 State RS423
Outputs
LTC485 (1Dx, 1Rx) Low Power Transceiver
LTC486 (4Dx) Low Power
LTC487 (4Dx) Low Power
LTC488 (4Rx) Low Power
LTC489 (4Rx) Low Power
LTC490 (1Dx, 1Rx) Low Power Full-Duplex
LTC491 (1Dx, 1Rx) Low Power Full-Duplex
LTC1481 (1Dx, 1Rx) Low Power w/S/D
LTC1483 (1Dx, 1Rx) Low EMI Low Pwr w/S/D
LTC1485 (1Dx, 1Rx) Low Power 10Mbps
LTC1487 (1Dx, 1Rx) Hi-Z Low Pwr w/S/D
1.30
3.55
3.55
3.55
3.55
2.40
2.65
1.45
1.45
1.60
1.45
1.95
1.65
1.65
1.95
2.15
LTC1482 (1Dx, 1Rx) Failsafe and Carrier Detect
LTC1484 (1Dx, 1Rx) Failsafe (LTC485 Pinout)
LTC1690 (1Dx, 1Rx) Failsafe (LTC490 Full-Duplex Pinout)
LT1785 (1Dx, 1Rx) Failsafe, Low EMI (LTC485 Pinout)
LT1791 (1Dx, 1Rx) Failsafe, Low EMI (LTC491 Pinout)
LT1032 Quad Driver 5V/±12V Powered
3.3V Powered
V.35
LTC1480 (1Dx, 1Rx) 3.3V Powered
Price 1K*
2.45
Price 1K*
Price 1K*
LTC1345 (3Dx, 3Rx) DTE or DCE Selectable, 5V
LTC1346A (3Dx, 3Rx) DTE or DCE Selectable, ±5V
50Mbps RS485
5.35
5.35
5.35
2.95
4.20
4.20
Price 1K*
2.55
Price 1K*
LTC1518 Quad RS485 Receiver (LTC488 Pinout)
LTC1519 Quad RS485 Receiver (LTC489 Pinout)
LTC1520 Quad Receiver, 100mV Input Level,(RS485 Compatible)
LTC1685 RS485 Transceiver (LTC485 Pinout)
LTC1686 RS485 Full Duplex Transceiver (LTC490 Pinout)
LTC1687 RS485 Full Duplex Transceiver (LTC491 Pinout)
100Mbps RS485
LTC1688 100Mbps Quad R5485 Driver
LTC1689 100Mbps Quad R5485 Driver
±15kV ESD
Protected
1.95
2.15
Price 1K*
5.35
LT1785 (1Dx, 1Rx) Failsafe, Low EMI (LTC485 Pinout)
LT1791 (1Dx, 1Rx) Failsafe, Low EMI (LTC491 Pinout)
LTC1535 Isolated R5485 Transceiver
±60V Overvoltage
Protected
Isolated
Price 1K*
Price 1K*
7.30
6.75
Price 1K*
4.95
4.95
*Price shown is unit price (lowest cost package version) when purchased in quantities of 1000
Interface
2-17
Selection
Guides
Interface
CONFIGURABLE INTERFACE
Multiprotocol: RS232, EIA-530,
EIA-530A, RS449, V.35, V.36 or X.21
LocalTalk
/GEO Port
LTC1318 (5V DCE Combination RS422, RS562)
LTC1320 (DTE Combination RS422, RS562)
LTC1323 (DTE 5V Combination RS422, RS562)
LTC1323-16 (5V Combination RS422, RS562)
LTC1324 (DTE or DTE Differential Line XCVR)
4.80
3.70
4.80
4.40
3.60
Price 1K*
LTC1343 Multiprotocol 4Dx/4Rx Transceiver
LTC1344 Software-Selectable Multiprotocol Cable Terminator
LTC1344A Software-Selectable Multiprotocol Cable Terminator
LTC1543 Multiprotocol 3Dx/3Rx Transceiver for DATA/CLK,
Single 5V Supply with Internal Charge Pump
LTC1544 Multiprotocol 4Dx/4Rx Transceiver for Control Signals,
Single 5V Supply
LTC1545 Multiprotocol 5Dx/5Rx Transceiver, Single 5V
Supply, Includes RL and TM Signals
LTC1546 Multiprotocol 3Dx/3Rx Transceiver for Data/Clock,
Includes Integrated Termination
Complete, Low Cost Systems May be Configured Using the Best
Combination of the Above Circuits.
12.60
6.95
6.40
7.00
5.75
6.75
11.65
Price 1K*
LocalTalk is a registered trademark of Apple Computer, Inc.
Programmable EIA/TIA562,
RS232 or RS485
LTC1322, LTC1335
(4Dx/Rx RS562, 2Dx/Rx RS485)
LTC1321 (2Dx/Rx RS562 or RS232,
2Dx/Rx RS485)
LTC1334 (4Dx/Rx RS232,
2Dx/Rx RS485)
LTC1387 (2 RS232 Dx/Rx,
1 RS485 Dx/Rx)
6.50
Price 1K*
2.35
1.90
Price 1K*
4.50
5.25
Price 1K*
4.60
3.85
Price 1K*
2.25
5V Powered ±5V Powered
Infrared Data Receiver
Complete LocalTalk® Port
SCSI Active Terminators
LT1118-2.85 (For use with active negation line drivers)
LT1117-2.85 (For use with open collector line drivers)
1.25
1.60
2.75
4.20
3.00
1.75
5.40
2.95
1.45
Price 1K*
SMBus
LTC1694/LTC1694-1 SMBus Accelerator, SOT-23
LTC1623 Dual, FET Switch Drivers with SMBus Control
LTC1710 Dual High Side Switch with SMBus Control
LT1786F SMBus Programmable CCFL Switching Regulator
LTC1427-50 SMBus Interface, Current Output 10-Bit DAC, SO-8
LTC1663 10-Bit VOUT DAC in SOT-23
LTC1759 Smart Battery Charger
LTC1380/LTC1393 8-Ch/4-Ch Analog Multiplexer
LTC1695 Fan Speed Controller
LT1319 General Purpose (Sharp, Newton, TV Remote)
LT1328 IrDA
®
Compatible (SIR, FIR, 4ppm)
*Price shown is unit price (lowest cost package version) when purchased in quantities of 1000
IrDA is a registered trademark of Infrared Data Association
2-22
Selection
Guides
Op Amps
Single Dual Quad Single Dual Quad
LTC1541LTC1542
††
7.5 A
LT1782,LT1783
55 A
LT1636
55 A
LT1077
60 A
LTC1049
†
300 A
LT1637
250 A
LT1218L,LT1219L
420 A
LT1635
200 A
LT1006
570 A
LT1495
1.5 A
LT1178,LT2178
18 A
LT1490A
50 A
LT1078,LT2078
50 A
LT1466L
75 A
LTC1047
†
150 A
LT1638
230 A
LT1413
450 A
LT1013
500 A
LT1366,LT1368
520 A
LT1492
550 A
LT1496
1.5 A
LT1179,LT2179
18 A
LT1491A
50 A
LT1079,LT2079
50 A
LT1467L
75 A
LT1639
230 A
LT1014
500 A
LT1367,LT1369
520 A
LT1493
550 A
Precision Operational Amplifiers
Rail-to-Rail
by V
OS
Single Dual Quad
Single Supply
See Rail-to-Rail at left
by V
OS Single-Supply
Low Power (I
S
≤ 600mA)
by I
S
**
LTC2050/HV*
†
3V,5V,
±
5V
LT1677
LTC1152
†
3V,5V,
±
5V
LT1218,LT1219
LT1636
LT1637
LTC1541,LTC1542
††
3V,5V,12V
LT1782,LT1783
3V,5V,
±
5V
LT1635
3V,5V,
±
5V
LT1797
3V,5V,
±
5V
LTC2051/HV*
†
3V,5V,
±
5V
LT1881,LT1884*
LT1495
LT1466L
3V,5V,
±
5V
LT1498
LT1366,LT1368
LT1630
LT1638
LT1490
LT1632
LTC2052/HV*
†
3V,5V,
±
5V
LT1882,LT1885*
LT1496
LT1467L
3V,5V,
±
5V
LT1499
LT1367,LT1369
LT1631
LT1639
LT1491
LT1633
Page 2-29
Page 2-29
Page 2-30
3V, 5V,
±
5V,
±
15V
unless stated otherwise
5V,
±
5V,
±
15V
unless stated otherwise
LTC1050
†
5V,
±
5V
LTC1150
†
LTC1052
†
5V,
±
5V
LTC1049
†
5V,
±
5V
LTC1250
†
5V,
±
5V
LT1077
LT1006
LTC1051
†
5V,
±
5V
LTC1151
†
LTC1047
†
5V,
±
5V
LT1078,LT2078
LT1178,LT2178
LT1013
LT1413
LT1211,LT1213
LT1492
LT1215
LTC1053
†
5V,
±
5V
LT1079,LT2079
LT1179,LT2179
LT1014
LT1212,LT1214
LT1493
LT1216
* Rail-to-Rail outputs only
†
Zero Drift Amplifiers
††
Op Amp plus comparator and reference
** Per amplifier
µ
µ
µµµ
µµ
µµ
µ
µµ
µµ
µ
µµµ
µµµ
µµ
µµ
µ
µµ
µ
2-23
Op Amps
Single Dual Quad
LTC2050
3 V
LTC1050,LTC1052
5 V
LTC1150
5 V
LTC7652
5 V
LTC1152
10 V
LTC1049
10 V
LTC1250
10 V
LTC2051
3 V
LTC1051
5 V
LTC1151
5 V
LTC1047
10 V
LTC2052
3 V
LTC1053
5 V
Precision Operational Amplifiers
Low Offset Voltage (V
OS
≤ 550µV)
by VOS
Zero-Drift
by VOS
Single Dual Quad
LT1001,LT1012
25 V
LT1007,LT1037
25 V
LT1028,LT1128
40 V
LT1077
40 V
LT1097
50 V
LT1006
50 V
LT1677
60 V
LT1468
75 V
LT1218L,LT1219L
90 V
LT1008
120 V
LT1055,LT1056
150 V/180 V
LT1115
200 V
LT1636
225 V
LT1022
250 V
LT1637
350 V
LT1024
50 V
LT1002
60 V
LT1112
60 V
LT1124,LT1126
70 V
LT1078,LT2078
70 V
LT1178,LT2178
70 V
LT1881,LT1884
80 V
LT1469
125 V
LT1013,LT1413
150 V
LT1211,LT1213
150 V
LT1492
180 V
LT1215
300 V
LT1495
375 V
LT1466L
390 V
LT1457
450 V
LT1498
475 V
LT1366,LT1368
475 V
LT1630
525 V
LT1114
60 V
LT1125,LT1127
90 V
LT1079,LT2079
100 V/110 V
LT1179,LT2179
100 V
LT1882,LT1885
80 V
LT1014
180 V
LT1212,LT1214
275 V
LT1493
180 V
LT1216
450 V
LT1496
375 V
LT1467L
390 V
LT1499
475 V
LT1631
525 V
Page 2-31 Page 2-32
See Zero-Drift
Op Amps to Right
µµ
µµ
µµµ
µµµ
µµ
µµ
µµµ
µµµ
µµ
µµµ
µµµ
µµ
µµ
µ
µ
µ
µ
µµ
µµ
µ
µµµ
µµµµ
µµ µ
µµ
µ
µ
µ
µµ
µ
µ
µ
2-24
Selection
Guides
Op Amps
LT1793
10pA
LT1022
50pA
LT1055,LT1056
50pA
LT1122
75pA
LT1792
800pA
LT1462,LT1464
20pA
LT1169
20pA
LT1057,LT1457
50pA
LT1113
480pA
LT1463,LT1465
20pA
LT1058
50pA
Precision Operational Amplifiers
Low Bias Current (I
B
≤ 10nA)
by I
B
JFET Input
by I
B
Single Dual Quad Single Dual Quad
LT1793
10pA
LTC1052,LTC7652
30pA
LTC1050,LTC2050
30pA
LTC1049
50pA
LTC1150,LTC1152
100pA
LT1008
100pA
LT1012
100pA
LTC1250
150pA
LT1097
250pA
LT1792
800pA
LTC1541,LTC1542
1nA
LT1001
2nA
LT1635
4nA
LT1636
8nA
LT1077
9nA
LT1468
10nA
LT1462, LT1464
20pA
LT1169
20pA
LTC1047
30pA
LTC1051
50pA
LTC1151
100pA
LT1024
120pA
LT1881
200pA
LT1112
250pA
LT1884
300pA
LT1495
1nA
LT1002
3nA
LT1178,LT2178
5nA
LT1490A
8nA
LT1078,LT2078
8nA
LT1463, LT1465
20pA
LTC1053
65pA
LT1882
500pA
LT1114
250pA
LT1885
900pA
LT1496
1nA
LT1179,LT2179
5nA
LT1491A
8nA
LT1079,LT2079
8nA
Page 2-32 Page 2-34
See JFET Input Op Amps to Right
2-25
Op Amps
Single Dual Quad Product
Features
LT1167
LT1168
LTC1100
LTC1101
LTC1102
LTC1043
Gain Programmable
Gain programmable with one resistor
Micropower, gain programmable with one resistor
Fixed Gain
Zero offset,zero drift, single or dual supply
Micropower, single or dual supply
High speed, JFET input
Dual precision switched capacitor building block
Precision Operational Amplifiers
Low Power (IS ≤ 600µA)
by I
S
*
Low Noise (eN ≤ 17nV√Hz)
by e
N
Instrumentation
Amplifiers
Single Dual Quad
LTC1541,LTC1542
††
7.5 A
LT1782,LT1783
55 A
LT1636
55 A
LT1077
60 A
LTC1049
†
300 A
LT1635
200 A
LT1637
250 A
LT1351
330 A
LT1218L,LT1219L
420 A
LT1012
600 A
LT1097
560 A
LT1006
570 A
LT1008
600 A
LT1495
1.5 A
LT1178,LT2178
18 A
LT1462
45 A
LT1490
50 A
LT1078,LT2078
50 A
LT1466L
75 A
LTC1047
†
150 A
LT1464
200 A
LT1638
230 A
LT1352
320 A
LT1112
400 A
LT1413
450 A
LT1013
500 A
LT1366,LT1368
520 A
LT1492
550 A
LT1024
600 A
LT1496
1.5 A
LT1179,LT2179
18 A
LT1463
45 A
LT1491
50 A
LT1079,LT2079
50 A
LT1467L
75 A
LT1465
200 A
LT1639
230 A
LT1353
320 A
LT1114
400 A
LT1014
500 A
LT1367,LT1369
520 A
LT1493
550 A
* Per amplifier
†
Zero drift amplifier
††
Op Amp plus comparator and reference
Page 2-34
Page 2-30 Page 2-44
Typical Values,
10Hz Noise Corner
LT1115
1nV/
√
Hz
LT1028,LT1128
1nV/
√
Hz
LT1007,LT1037
2.8nV/
√
Hz
LT1677
5.2nV/
√
Hz
LT1792
8.3nV/
√
Hz
LT1468
9nV/
√
Hz
LT1001
10nV/
√
Hz
LT1793
11.5nV/
√
Hz
LT1097
16nV/
√
Hz
LT1008,LT1012
17nV/
√
Hz
LT1124,LT1126
3nV/
√
Hz
LT1630
9nV/
√
Hz
LT1469
9nV/
√
Hz
LT1213
10nV/
√
Hz
LT1881,LT1884
10nV/
√
Hz
LT1002
10.3nV/
√
Hz
LT1211
12.5nV/
√
Hz
LT1498
14nV/
√
Hz
LT1215
15nV/
√
Hz
LT1112
16nV/
√
Hz
LT1632
16nV/
√
Hz
LT1113,LT1169
17nV/
√
Hz
LT1024
17nV/
√
Hz
LT1492
17.3nV/
√
Hz
LT1125,LT1127
3nV/
√
Hz
LT1631
9nV/
√
Hz
LT1214
10nV/
√
Hz
LT1882,LT1885
10nV/
√
Hz
LT1212
12.5nV/
√
Hz
LT1499
14nV/
√
Hz
LT1216
15nV/
√
Hz
LT1114
16nV/
√
Hz
LT1633
16nV/
√
Hz
LT1493
17.3nV/
√
Hz
µµ
µµµ
µµµ
µµµ
µµ
µµ
µ
µµ
µµµ
µµµ
µµ
µµ
µ
µµµ
µµµ
µµµ
µµ
µµ
2-38
Selection
Guides
Op Amps
LT1886 - Dual 200mA,
700MHz, 200V/µs
LT1206/1207 - Single/Dual
250mA Output, 60MHz, 400V/µs
LT1210 - Single
1.1A Output, 35MHz, 900V/µs
LT1497 - Dual
125mA Output, 50MHz, 500V/µs
LT1795 - Dual 500mA Output,
50MHz, 900V/µs
LT1360/1361/1362 - Single/Dual/Quad
25mA Output, 35MHz, 600V/µs
LT1363/1364/1365 - Single/Dual/Quad
50mA Output, 70MHz, 750V/µs
LT1812/1813 - Single/Dual
40mA Output,
100MHz, 750V/µs
LT1886 - Dual
250mA Output,
700MHz, 200V/µs
LT1806 - Single, 40mA Output,
325MHz, 140V/µs, SOT-23
LT1809 - Single, 50mA Output,
180MHz, 350V/µs, SOT-23
LT1398/1399 - Dual/Triple
300MHz, Precision Performance
Over Full Supply Range
LT1399HV - Triple
300MHz, 500V/µs, ±7.5V Operation
LT1228
100MHz CFA With Gain Control,
Transconductance Amp
LT1251/LT1256
40MHz Video Fader, Constant
Gain with Temperature
LT1187/1189
50MHz/35MHz Video Difference
Amps, Low Power
LT1193/1194
350V/µs, 18MHz, Video Difference Amps,
50mA Output
LT1190/91/92 - Single Op Amps
325V/µs, 50 to 350MHz,
High Open Loop Gain to 125V/mV
High Slew Rate
LT1360/1361/1362 - Single/Dual/Quad
600V/µs, 35MHz,
Excellent DC Performance
LT1363/1364/1365 - Single/Dual/Quad
750V/µs, 70MHz,
Excellent DC Performance
LT1497 - Dual
500V/µs, 50MHz,
Low Distortion, Excellent Video
LT1210 - Single
500V/µs, 35MHz, Excellent
Large Signal Performance
LT1395/1396/1397 - Single/Dual/Quad
500V/µs, 400MHz,
80mA Output
LT1398/1399/1399HV - Dual/Triple
500V/µs, 300MHz,
Excellent Linearity
LT1795 - Dual
900V/µs, 50MHz,
xDSL Line Driver
LT1809 - Single
300V/µs, 160MHz, 85mA Output,
2.5V Operation Rail-to-Rail
Input and Output. Shutdown
LT1812/1813 - Single/Dual
750V/µs, 100MHz, Low Power
High Speed Op Amps
LT1213/1214 - Dual/Quad
8.5V/µs, 26MHz, 3V, 5V,
DC’s Precision, 30mA Outputs
LT1215/1216 - Dual/Quad
30V/µs, 23MHz, 3V, 5V,
+15V, DC Precision
LT1630/1631 - Dual/Quad
4.6V/µs, 15MHz, 3V, 5V,
±15V, DC Precision, 35mA Drive
LT1632/1633 - Dual/Quad
13V/µs, 22MHz, 3V, 5V,
±15V, DC Precision, 35mA Drive
LT1806 - Single, 40mA Output,
325MHz, 140V/µs, SOT-23
LT1809 - Single, 50mA Output,
180MHz, 350V/µs, SOT-23
LT1630/1631 - Dual/Quad
4.6V/µs, 15MHz, DC Precision,
Low Distortion, 35mA Drive
LT1632/1633 - Dual/Quad
13V/µs, 22MHz, DC Precision,
Low Distortion, 35mA Drive
LT1809 - Single
300V/µs, 160MHz, 85mA Output,
2.5V Operation Rail-to-Rail
Input and Output. Shutdown
Rail-to-Rail – Single or Split Supplies
LT1351/52/53 - Single/Dual/Quad
300µA Supply Per Amp, 120V/µs, 2MHz, Precision
LT1354/55/56 - Single/Dual/Quad
1.2mA Per Amp, 200V/µs, 9MHz, Precision
LT1357/58/59 - Single/Dual/Quad
2.4mA Per Amp, 300V/µs, 18MHz, Precision
LT1806 - Single, 40mA Output,
325MHz, 140V/µs, SOT-23
LT1812/1813 - Single/Dual
3.6mA Per Amp, 500V/µs, 100MHz
Low Power – Single or Split Supplies
LT1395 - Single, 80mA Output,
400MHz, 500V/µs
LT1797 - Single, 40mA Output,
10MHz, 2.25V/µsec
LT1806 - Single, 40mA Output,
325MHz, 140V/µs
LT1809 - Single, 50mA Output,
180MHz, 350V/µsec
LT1812 - Single, 40mA Output,
100MHz, 750V/µs
SOT-23 Package
High Output Current
xDSL Line Drivers
Fast Voltage-Feedback Op Amps
Video
RGB, YUV, YC, Amps
LT1122 - Single, 14MHz, 60V/µs,
100% Tested for Settling Time
FET Input
Multiplexers
LT1203/1205 - 2:1/ 2x2:1 or 4:1
150MHz, 90dB Channel Separation,
25ns Switching Time
LT1675 - 3 ¥ 2:1 with Buffers
250MHz,100MHz Pixel Switching,
2.5ns Switching
LT1675-1 - 2:1 with Buffer
250MHz,100MHz Pixel Switching,
2.5ns Switching
DC Restoration
Video Fader
Coax Loopthrough/ Twisted Pair Receiver
General Purpose Video Op Amps
LT1252 - Single 100MHz, 250V/µs
LT1253 - Dual 90MHz, 250V/µs
LT1259 - Dual 130MHz, 900V/µs, CFA
LT1395/1396/1397 - Single/Dual/Quad
500V/µs, 400MHz, 80mA Output
LT1398 - Dual 300MHz, 500V/µs, CFA
LT1254 - Quad 90MHz, 250V/µs
Low Cost
Fast Settling Time to 16 Bits
LT1468 - Single
15V/µs, 60MHz, 16-Bit Accurate,
1µs Settling
LT1469 - Dual
15V/µs, 60MHz, 16-Bit Accurate,
1µs Settling
V/µs
MHz
Slew Rate
GBW Generally; Full-Power BW
Where Appropriate
Key:
Specifications Are 25
o
C Guaranteed Limits in Most Cases.
See Data Sheets for Typical Values, Details and Conditions.
See Also Op Amp Selection Engine on LinearView CD-ROM
NEW!
NEW!
NEW!
NEW!
NEW!
NEW!
NEW!
NEW!
NEW!
NEW!
Single Supply
2-46
Selection
Guides
Comparators
Comparators
Micropower
LTC1540, Ref, Output,
adj. Hysteresis, 40mA Output
LTC1440, Adj. Hysteresis,
Ref Output, Ultralow Supply Current
LTC1441, Ref, Output,
adj. Hysteresis, 40mA Output, Dual
LTC1442, Ref, Output,
adj. Hysteresis, 40mA Output, Dual
LTC1841, 2V to 11V Supplies
Ground-Sensing, Hysteresis, Dual
LTC1842/43, Built-in Reference,
Ground-Sensing, Hysteresis, Dual
LTC1541/42, Hysteresis,
Ref and op amp, Rail-Rail,
Ground-Sensing
LTC1443, 1.182V ref. Output,
adj. Hysteresis, 40mA Output, Quad
LTC1444, 1.182V ref. Output,
adj. Hysteresis, 40mA Output, Quad
LTC1445, 1.221V ref. Output,
adj. Hysteresis, 40mA Output, Quad
LT1017, Micropower, Drives
Loads Above V+, Dual
LT1018, Higher Power,
High-Speed than LT1017, Dual
LTC1040, 1.5mW, Common
Mode to Both Rails, Dual
Special Functions
LTC1531, 3kV Isolation, Self Powered
Across Isolation, 2.5V ref.
LTC1440, Adj. Hysteresis, Ref Output,
Ultralow Supply Current
LTC1441, Ref, Output, adj. Hysteresis,
40mA Output, Dual
LTC1442, Ref, Output, adj. Hysteresis,
40mA Output, Dual
LTC1443, 1.182V ref. Output, adj.
Hysteresis, 40mA Output, Quad
LTC1444, 1.182V ref. Output, adj.
Hysteresis, 40mA Output, Quad
LTC1445, 1.22V ref. Output, adj.
Hysteresis, 40mA Output, Quad
LTC1540, Ref, Output, adj.
Hysteresis, 40mA Output
LTC1541/42, Hysteresis, Ref and
op amp, Rail-Rail, Ground-Sensing
LTC1842/43, Built-in Reference,
Ground-Sensing, Hysteresis, Dual
2.5V
1.182V
1.182V
1.182V
1.182V
1.221V
1.221V
1.182V
1.2V
1.182V
LT1015, Line Receiver, Single Supply,
Output Latch, Dual
LTC1531, 3kV Isolation, Self Powered
Across Isolation, 2.5V ref.
LTC1041, High Accuracy, 1.5µW,
2 Independent Control Inputs
LTC1042, 1High Accuracy, 1.5µW,
2 Independent Control Inputs
LTC1541/42, Hysteresis, Ref and op
amp, Rail-Rail, Ground-Sensing
With Reference
Line Receiver
3kV Isolation
Bang Bang Controller
Window Comparator
With Reference
& Op Amp
Function
Reference
Voltage
LT1712, UltraFast™, Dual
Rail-to-Rail, Output Latches
LT1719, UltraFast,
Ground Sensing
Rail-Rail, Hysteresis
LT1720, UltraFast, Rail-Rail,
Ground-Sensing, 3V/5V, Dual
LT1721, UltraFast, Ground Sensing
Rail-Rail, Hysteresis, Quad
LT1713, UltraFast,
Rail-to-Rail, Output Latch
LT1714, UltraFast, Dual
Rail-to-Rail, Output Latches
LT1394, Ground-Sensing,
Stable for Slow Signals
LT1015, Line Receiver, Single Supply,
Output Latch, Dual
LT1016, Output Latch,
Stable with Slow Moving Signal
LT1116, Output Latch,
Inputs Can Exceed V+ by 15V
LT1671, Output Latch,
Ground Sensing, High Gain
LT1011/A, Improved LM111,
±30V Diff. Inputs,
4.5ns
6.5ns
6.5ns
6.5ns
7ns
7ns
9ns
14ns
14ns
16ns
80ns
250ns
High Speed
Single Supply
Maximum
Propagation
Delay
LT1712, UltraFast™, Dual
Rail-to-Rail, Output Latches
LT1719, UltraFast, Ground Sensing
Rail-Rail, Hysteresis
LT685, Improved Am685,
ECL Outputs, Low Offset,
High Resolution
LT1713, UltraFast,
Rail-to-Rail, Output Latch
LT1714, UltraFast, Dual
Rail-to-Rail, Output Latches
LT1394, Ground-Sensing,
Stable for Slow Signals
LT1016, Output Latch,
Stable with Slow Moving Signal
LT1116, Output Latch,
Inputs Can Exceed V+ by 15V
LT1671, Output Latch,
Ground-Sensing, High Gain
LT1011/A, Improved LM111,
±30V Diff. Inputs,
4.5ns
6.5ns
6.5ns
7ns
7ns
9ns
14ns
16ns
80ns
250ns
Split Supply
Maximum
Propagation
Delay
NEW!
NEW!
NEW!
NEW!
NEW!
NEW!
, LTC and LT are registered trademarks of Linear Technology Corporation.
UltraFast is a trademark of Linear Technology Corporation,
2-48
Filters
≤20kHz
7kHz, Elliptic, Ultraselective
12kHz, Progressive Elliptic, SO-8
17kHz, 14-bit Performance
20kHz, Low Noise, Low Power
20kHz, Bessel, Butterworth
20kHz, Elliptic, Low Power
20kHz, Elliptic, Low Power, 3V, SO-8
20kHz, Improved MF10
20kHz, DC Accurate
20kHz, Wide Dynamic Range
20kHz, Constant Group Delay
20kHz - 300kHz, Continuous Time
256Hz - 256kHz, Continuous Time Butterworth
256Hz - 256kHz, Continuous Time Bessel
4kHz, 16kHz, DC Accurate Linear Phase
8
8
4
8
8
8
8
4
5
8
8
8
4
4
4
LTC1067
LTC1060
LTC1164
≤20kHz
17kHz, 14-bit Performance
20kHz, Improved MF10
20kHz, Wide Dynamic Range
4
4
8
≤50kHz
25kHz, High Accuracy
34kHz, Very Low Noise
35kHz, Improved MF10
40kHz, Low Noise
50kHz, Butterworth, DC Accurate
50kHz, Cauer, Low Noise
50kHz, High Accuracy
20kHz - 300kHz, Continuous Time
256Hz - 256kHz, Continuous Time Butterworth
256Hz - 256kHz, Continuous Time Bessel
4kHz, 16kHz, DC Accurate Linear Phase
8
4
6
2
5
8
8
8
4
4
10
LTC1068-200
LTC1067-50
LTC1061
LTC1059
LTC1068-50
≤50kHz
25kHz, High Accuracy
34kHz, Very Low Noise
35kHz, Improved MF10
40kHz, Low Noise
50kHz, High Accuracy
8
4
6
2
8
≤100kHz
56kHz, Very Low Noise, High Accuracy
60kHz, Bessel, DC Accurate
15kHz - 64kHz, Root Raised Cosine
100kHz, Linear Phase Bessel
100kHz, High Speed Cauer
100kHz, Elliptic/Linear Phase, DC Accurate
100kHz, Constant Group Delay
20kHz - 300kHz, Continuous Time
256Hz - 256kHz, Continuous Time Butterworth
256Hz - 256kHz, Continuous Time Bessel
64kHz, DC Accurate Linear Phase
8
5
10
8
8
8
8
8
4
4
10
LTC1064-2
LTC1064
LTC1562
LTC1069-7
LTC1068-25
LTC1264
LTC1264-7
LTC1563-2
LTC1563-3
LTC1565-31
LTC1566-1
≤200kHz
140kHz, Butterworth
140kHz, Low Noise, Fast
150kHz, 14-16 Bit Systems, Continuous Time
200kHz, Linear Phase, SO-8
200kHz, Low Noise
200kHz, Very High Speed
200kHz, Constant Group Delay
256Hz - 256kHz, Continuous Time Butterworth
256Hz - 256kHz, Continuous Time Bessel
140kHz to 650kHz, Low Noise, Differential
140kHz to 2.3MHz, Low Noise, Differential
8
8
8
8
8
8
8
4
4
7
7
LTC1562-2
LTC1560-1
LTC1565-31
LTC1566-1
LTC1569-7
≤1MHz
300kHz, Elliptic, Continuous Time
1MHz, Elliptic, Continuous Time
140kHz to 650kHz, Low Noise, Differential
140kHz to 2.3MHz, Low Noise, Differential
300kHz, Root Raised Cosine,
fcutouff Programmable with I External R
8
5
7
7
10
LTC1064
LTC1562
LTC1068-25
LTC1264
LTC1562-2
≤300kHz
100kHz, Low Noise, Fast
150kHz, 14-16 Bit Systems
150kHz, Low Noise
150kHz, Very High Speed
300kHz, 14 bit Systems, Continuous Time
8
8
8
8
8
LTC1067
LTC1060
LTC1164
≤20kHz
17kHz, 14-Bit Performance
20kHz, Improved MF10
20kHz, Wide Dynamic Range
4
4
8
LTC1068-200
LTC1067-50
LTC1061
LTC1059
LTC1068-50
≤50kHz
25kHz, High Accuracy
34kHz, Very Low Noise
35kHz, Improved MF10
40kHz, Economical
50kHz, High Accuracy
8
4
6
2
8
LTC1064
LTC1068-25
LTC1264
≤200kHz
100kHz, Low Noise, Fast
200kHz, Low Noise
200kHz, Very High Speed
8
8
8
*Frequencies given are maximum for f
o
or f
c
. These filters are clock tunable.
No clock is required for continuous time filters.
LTC1560-1 has two fixed frequencies, 1MHz and 500kHz.
Filter
Order *Max. Frequency/Features
Notch
Lowpass Bandpass or Highpass
User Configurable
No External Clock Required
Semi-Custom Filters Are Also Available.
Filters
Filter
Order *Max. Frequency/Features
LTC1068
LTC1065
LTC1569-6
LTC1064-3
LTC1064-4
LTC1066-1
LTC1064-7
LTC1562
LTC1563-2
LTC1563-3
LTC1569-6
LTC1068-200
LTC1067-50
LTC1061
LTC1059
LTC1063
LTC1064-1
LTC1068-50
LTC1562
LTC1563-2
LTC1563-3
LTC1569-6
LTC1164-8
LTC1069-1
LTC1067
LTC1164-XX
LTC1164-5
LTC1164-6
LTC1069-6
LTC1060
LTC1062
LTC1164
LTC1164-7
LTC1562
LTC1563-2
LTC1563-3
LTC1569-6
2-55
Selection
Guides
Linear Regulators
LINEAR REGULATORS
Low Dropout
w/Remote Sense
LT1761 (0.1A)††
LT1762 (0.15A)†
LT1020 (0.125A)
LT1120 (0.125A)
LT1120A (0.125A)
LT1121 (0.150A)
LT1962 (0.3A)†
LT1521 (0.3A)**
LT1579 (0.3A)†
LT1763 (0.5A)
LT1129 (0.700A)*, **
LT1117 (0.8A)*, **
LT1963 (1.5A)*,**
LT1086 (1.5A)*
LT1085 (3A)*
LT1528 (3A)*
LT1529 (3A)*
LT1587 (3A)*
LT1764 (3A)*
LT1585 (4.6A)*
LT1084 (5A)
LT1585A (5A)
LT1580 (7A)
LT1584 (7A)
LT1083 (7.5A)
LT1581 (10A)
LT117A/317A (1.5A)
LT138A/338A (5A)
LT1083 (10A)
LM117/317 (1.5A)
LM150/350 (3A)
LM138/338 (5V)
LT1087 (5A)
LT123A/323A (3A)
LM123/323 (3A)
LT1003 (5A)
LT1005 (5V, 1A)
LT1035 (5V, 3A)
LT1036 (12V, 3A)
LT137A/337A (1.5A)
LT1033 (3A)
UltraFast is a trademark of Linear Technology Corporation.
LM137/337 (1.5A)
Adjustable Fixed 1.5V
* Available in surface mount DD package
** Available in surface mount SOT-223 package
† Available in surface mount SSOP or MSOP package
†† Available in SOT-23
Bold indicates new product
LT1761-3 (0.1A)††
LT1762-3.3 (0.15A)†
LT1121-3.3 (0.15A)**
LT1521-3.3 (0.3A)**, †
LT1962(0.3A)†
LT1763-3.3 (0.5A)
LT1129-3.3 (0.7A)*, **
LT1117-3.3 (0.8A)**
LT1086-3.3 (1.5A)*
LT1963(1.5A)*,**
LT1764-3.3 (3A)*
LT1085-3.3 (3A)*
LT1529-3.3 (3A)
LT1587-3.3 (3A)*
LT1585-3.3 (4.6A)*
LT1084-3.3 (5A)
LT1585A-3.3 (5A)
LT1584-3.3 (7A)
LT1761-5 (0.1A)††
LT1762-5 (0.15A)†
LT1121-5 (0.15A)**
LT1521-5 (0.3A)**, †
LT1962(0.3A)†
LT1763-5 (0.5A)
LT1129-5 (0.7A)*, **
LT1117-5 (0.8A)**
LT1118-5 (0.8A/–0.4A)
LT1086-5 (1.5A)
LT1085-5 (3A)
LT1529-5 (3A)*
LT1084-5 (5A)
LT1083-5 (7.5A)
LT1123 (PNP Driver)**
LT1086-12 (1.5A)
LT1085-12 (3A)
LT1084-12 (5A)
LT1083-12 (7.5A)
LT1521 (300mA, 12µA)
LT1121 (150mA, 30µA)
LT1020 (125mA, 40µA)
LT1120 (125mA, 40µA)
LT1579 (300mA, 50µA)
LT1461 (50mA, 50µA)
LT1129 (800mA, 50µA)
LT1761 (100mA, 20µA)
LT1762 (150mA, 25µA)
LT1763 (500mA, 30µA)
LT1962 (300mA, 30µA)
LT1790 (5mA, 60µA)
LT1086-3.6 (1.5A)*
LT1085-3.6 (3A)*
LT1587-3.6 (3A)
LT1585-3.6 (4A)*
LT1584-3.6 (7A)
LT1761-2.8 (0.1A)††
LT1117-2.85 (0.8A)
LT1118-2.85 (0.8A/–0.4A)
LT1086-2.85 (1.5A)
LT1587-1.5 (3A)
LT1585-1.5 (4.6A)
LT1585A-1.5 (5A)
Fixed 1.8V
LT1761-1.8 (0.1A)††
LT1963 (1.5A)*,**
LT1764-1.8 (3A)*
Fixed 2.0V
LT1761-2 (0.1A)††
Fixed 3.6V
Fixed 5V
LT1579 (0.3A)
LT1579-3 (0.3A)
LT1579-3.3 (0.3A)
LT1579-5 (0.3A)
Dual Input
Fixed 12V
LT1761-2.5 (0.1A)††
LT1762-2.5 (0.15A)†
LT1118 (0.8A/–0.4A)
LT1962 (0.3A)†
LT1763-2.5 (0.5A)
LT1963 (1.5A)*,**
LT1764-2.5 (3A)*
LT1580-2.5(7A)
LT1581-2.5 (10A)
Fixed 2.5V
LT1587-3.45 (3A)*
LT1585-3.45 (4A)*
LT1584-3.45 (7A)
Fixed 3.45V
LT1761-3 (0.1A)††
LT1762-3 (0.15A)†
LT1962 (0.3A)†
LT1763-3 (0.5A)
LT1521-3 (0.3A)**, †
Fixed 3.0V
LT1585-3.38 (4A)*
LT1584-3.38 (7A)
Fixed 3.38V
Fixed 2.8V Fixed 3.3V
Adjustable Fixed 5V
LT1575
LT1575-1.5
LT1575-2.8
LT1575-3.3
LT1575-3.5
LT1575-5
LT1573
LT1573-2.5
LT1573-2.8
LT1573-3.3
Single Controllers
LT1577-Adj/Adj
LT1577-3.3/Adj
LT1577-3.3/2.8
Dual Controllers
Logic Controlled
LT1175 (500mA)
LT1185 (3A)
Adjustable
LT1175-5 (500mA)
Fixed –5V
4% VREF
1% VREF
4% VREF
1% VREF
Adjustable
Positive Low Dropout
Positive UltraFast
TM
Transient Response
Low Dropout, High Current
Positive Standard
Negative Low Dropout
Negative Standard
Positive Micropower
Key: Part Number (Output Current, Quiescent Current)
, LTC and LT are registered trademarks of Linear Technology Corporation.
2-60
Switching Regulators
Integrated Switches
PART
NUMBER
COMMENTSSWITCH*
CURRENT
INPUT
VOLTAGE
Step-Up
LT1615-1
LT1615
LT1610
LT1613
LT1109
LT1316
LT1307/B
LT1317/B
LT1500/01
LT1073
LT1082
LT1107/08
LT1300/01/03
LT1304
LT1533
LT1930
LT1947/8
LT1949/-1
LTC3401
LT1072/HV
LT1172/HV
LT1572
LT1372/77
LT1373/HV
LT1618
LT1071/HV
LT1302
LT1308A/B
LT1534
LTC3402
LT1171HV
LT1371HV
LT1070/HV
LT1269/71
LT1170/70HV
LT1370/70HV
LT1268
LT1270A
Step-Up Controllers
LT1339
LTC1624
LTC1680
LTC1700
LT1737
LTC1872
LT1619
1~15
1.2~15
1~8
1~10
1.6~20
1.5~8
1~12
1.5~12
1.8~15
1~30
3~75
2~30
1.8~10
1.5~8
2.7~23
2.6~16
2.6~6
1.5~12
0.5~5
3~40/60
3~40/60
3~40
2.7~30
2.7~30
1.6~18
3~40/60
2~10
1~10
2.7~23
0.5~5
3~40/60
2.7~30
3~40/60
3.5~30
3~40/60
2.7~30
3~30
3.5~30
10~60
3.5~36
10~60
0.9~6.5
4.5~20
2.5~9.8
4~28
Fixed Off-Time, to 34V Output, SOT-23
Fixed Off-Time, to 34V Output, SOT-23
1.7MHz, 1 Cell Li-Ion, 1µA Shutdown
Fixed 1.4MHz, to 34V Output, SOT-23
Only 3 Externals, Shutdown
Constant Off-Time, 2 Cells
600kHz, 1 Cell, 3µA Shutdown
Fixed 600kHz, 2 Cells
Low Noise, Synch to 500kHz
3 Externals, Versatile
60kHz, to 100V Switch, Shutdown
Low Power Shutdown, 3 Externals
155kHz, 2 Cells, Selectable 3.3V/5V
to 300kHz, 2 Cells, LCD Bias
Push-Pull, 250kHz, Ultra Low Noise
1.2MHz, to 34V Output, SOT-23
3 Outputs for TFT-LCD Displays
600kHz/1.1MHz, Ceramic Caps
to 3MHz, Synchronous, MSOP
40kHz, Self Protected
100kHz, Adaptive Switch Drive
100kHz, Internal Schottky
500kHz/1MHz, Shutdown
250kHz, 35V Switch, 1mA Supply
1.4MHz, CC/CV, to 34V Output, MSOP
40kHz, Adaptive Switch Drive
220kHz, 2 Cells
600kHz, 1-2 Cells, Low Ripple
250kHz, Ultralow Noise
to 3MHz, Synchronous, MSOP
100kHz, Self Protected, Easy to Use
500kHz, Reduced Overshoot
40kHz, Self Protected, Shutdown
60kHz/100kHz, Adaptive Switch Drive
100kHz, Adaptive Switch Drive
500kHz, 6µA Shutdown
150kHz, 7mA Supply Current
60kHz, Bust Proof, Easy to Use
Fixed Freq, Synchronous, Current Limit
Fixed 200kHz, Low Cost, Versatile
Programmable Current Limit
Synchronous, High Efficiency, MSOP
Isolated Flyback or Non-Isolated
Current Mode, 550kHz, SOT-23
Fixed 300kHz, 1A MOSFET Driver
* Maximum Output Current for Controllers. For Integrated Regulators,
Load Current is Dependent Upon Input and Output Conditions.
** Power Rating is More Suitable for this Transformer Based Controller
Bold = New Products Since May, 2000
See Also Flyback and Off-Line Controllers
0.1
0.35
0.45
0.55
0.5
0.5
0.6
0.65
0.7
1
1
1
1
1
1
1
1
1
1
1.25A
1.25A
1.25A
1.5A
1.5A
1.5
2
2
2
2
2
2.5
3
4
4
5
6
7.5
10
50A
6A
50A
2A
100W**
2A
8A
Continued
Switching Regulators
2-61
Selection
Guides
Switching Regulators
PART
NUMBER
COMMENTSSYNCH*
SWITCH
INPUT
VOLTAGE
LTC1147
LTC1149
LTC1159
LT1339
LTC1430A
LTC1435A
LTC1530
LTC1538/39
LTC1622
LTC1624
LTC1625
LTC1628
LTC1628-SYNC
LTC1629
LTC1649
LT1681
LT1683
LTC1698
Step-Down Controllers
Continued
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
3.5~16V
5~60V
4~60V
10~60V
3~9V
3.5~36V
4~14V
3.5~36V
2~10V
3.5~36V
3.7~36V
3.5~36V
3.5~36V
3.5~36V
2.7~5V
8.5~72V
**
**
400kHz, low standby
High Vin, to 250kHz
High Vin
Fixed freq, to 50A output
Fixed freq, 1% reference
Fixed freq, 99% duty cycle
No Rsense, 300kHz
400kHz, Active in Shutdown
Fixed 550kHz, low input voltage
Fixed freq, low cost, versatile, to 6A
No Rsense
Dual, Multiple-Phase
Synchronizable, Dual, Multiple-Phase
PolyPhase™, 42A to 200A
To 20A output from 3.3V input, 200kHz
Dual Transistor Forward Converter
Ultra Low Noise, Push-Pull Converter
Secondary Forward Converter,
for Use with LT1681
LTC1702/03
LTC1705
LTC1708
LTC1709-7
LTC1709-8/-9
LT1725
LTC1735
LT1737
LTC1753
LTC1771
LTC1772
LTC1773
LTC1775
LTC1873
LTC1874
LTC1876
LTC1922-1
LTC1929
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
2.7~7V
3~6V
3.5~36V
4~36V
4~36V
**
3.5~36V
**
4.5~7V
1.23~18V
2.65~10V
2.65~8.5V
4~36V
2.7~5V
2.5~9.8V
3.5~36V
10.7~**
2.7~5V
Dual, 2-Phase, to 25A per Ch., VID
Dual with 3rd LDO Output, VID
Dual, 2-Phase, to 25A per Ch., mobile VID
Mobile VID, to 42A, Power Good
VID, Output as low as 1.3V, to 42A
Isolated Flyback Controller, No Opto,
for High Voltage Inputs
Prog. fixed frequency
High Power Isolated Flyback Controller,
also Non-Isolated
5-bit programmable
Current Mode, MSOP
SOT-23, 10mA < Iout < 4.5A
Constant 550kHz, 3.3V Input, MSOP
No Rsense, 20A, 97% Efficient
Dual, 2-Phase, VID, 1.3V<Vout<3.5V
Dual, Constant 550kHz, Low Dropout
Dual, 2-Phase with 3rd Boost Regulator
Phase-Modulated Full-Bridge Controller,
Zero Voltage Switching, 50W to kW
2-Phase, up to 42A
Switching Regulators
PART
NUMBER
COMMENTSOUTPUT
CURRENT
INPUT
VOLTAGE
Integrated Switches
LTC1779
LTC1474/75
LTC1433/34
LTC1504A
LTC1174/1574
LT1777
LTC1701/B
LTC1612
LT1616
LTC1627
LTC1877
LTC1878
LTC3404
LT1676/1776
LT1707
LT1107/08
LT1111/73
LTC1265
LT1176
LTC1626
LT1766
LT1767
LT1375/76
LT1507
LT1076/HV
LT1374
LT1506
LT1959
LT1074/HV
250mA
400mA
450mA
500mA
500mA
500mA
500mA
600mA
600mA
600mA
600mA
600mA
600mA
700mA
700mA
1A
1A
1.2A
1.2A
1.2A
1.25A
1.4A
1.5A
1.5A
2A
4.5A
4.5A
4.5A
5A
2.5~9.8V
3~18V
3.5~13.5V
4~10V
4~18.5V
7~48V
1.25~5V
2~5.5V
3.6~25V
2.65~8.5V
2.65~6V
2.65~10V
2.65~6V
7.4~60V
2.65~8.5V
2~30V
2~30V
3.5~15V
8~35V
2.5~6V
5.5~60V
2.7~25V
5~25V
4~15V
8~45/64V
5.5~25V
4~15V
4~15V
8~45/64V
Constant 550kHz, High Efficiency, SOT-23
10µA Standby, Push-Button On-Off
200kHz, Phase Lockable
Synchronous, Few Parts, to 500kHz
13µA I
Q
, 200kHz, Internal Schottky
Very Low Noise
1MHz, SOT-23, Burst or Non-Burst Mode
Synchronous, Ceramic Caps
1.4MHz, <1µA Shutdown, SOT-23
350kHz, Synchronous, to 95% Eff.
I
Q
= 10µA, No Schottky Diode
MSOP, All Ceramic Caps
1.4MHz, I
Q
= 10µA, Selectable Burst Mode
Fixed 100/200kHz, No Pulse Skipping
Synchronous, to 95% Eff.
63kHz, 2 Cells, Low Power Shutdown
2 Cell, Line Reg0.2%, Adj. Current Limit
700kHz, Micropower Shutdown
100kHz, Few Externals, Shutdown
155µA I
Q
, I Cell Li-Ion Buck/Boost
High Voltage, 200kHz, GN16
1.5A Switch in MSOP
500kHz, Synch to 1MHz, Shutdown
500kHz, Synchronize to 1MHz
100kHz, Adj. Current Limit, Shutdown
Constant 500kHz, Synch to 1MHz
Fixed 500kHz, Current Limiting
Output Down to 1.21V
100kHz, Pulse-by-Pulse Limiting
Bold = New Products Since May, 2000
See Also Flyback and Off-Line Controllers
* Synchronous Switching for Highest Efficiency
** High Voltage Limited Only by External Components
Step-Down
PART
NUMBER
COMMENTSSYNCH*
SWITCH
INPUT
VOLTAGE
Step-Down Controllers
2-62
Switching Regulators
LT1615-1
LT1615
LT1610
LT1309
LT1316
LT1613
LT1307/B
LTC1877
LTC1878
LTC3404
LT1317/B
LT1300/01/03
LT1304
LT1930
LT1949/-1
LT1618
LT1302/05
LT1308A/B
LT1370/70HV
Integrated Switches
SOT-23, Fixed Off-Time, to 34V Output
SOT-23, Fixed Off-Time, to 34V Output
1.7MHz, 1 cell Li-Ion, tiny circuit
500kHz, soft start, shutdown
Constant off-time, 2 cells
1.4MHz, SOT-23 package
600kHz, 1 cell
2.7V to 6V in to 3.3V out, 550kHz
2.7V to 6V in to 3.3V out, 550kHz
2.7V to 6V in to 3.3V out, 1.4MHz
Fixed 600kHz , 2 cells
155kHz, 2 cells, selectable
300kHz, 2 cells, LCD bias, shutdown
1.2MHz, to 34V Output, SOT-23
600kHz/1.1MHz, Ceramic Caps
Works to <2V input, CC/CV, MSOP
220kHz, 2 cells
600kHz, 1-2 cells, low ripple
500kHz, 6µA shutdown
100mA
350mA
450mA
500mA
500mA
550mA
600mA
600mA
600mA
600mA
650mA
1A
1A
1A
1A
1.5A
2A
2A
6A
50A
8A
4A
10A
50A
100W**
1A
2A
1~15V
1.2~15V
1~8V
2~7V
1.5~8V
1.1~10V
1~12V
2.65~6V
2.65~10V
2.65~6V
1.5~12V
1.8~10V
1.5~8V
2.6~16V
1.5~12V
1.6~18V
2~10V
1~10V
2.7~30V
SEPIC & Buck/Boost - Recommended Circuits
LT1339
LT1619
LTC1622
LTC1624
LTC1680
LT1737/LT1725
LTC1771
LTC1872
Recommended Controllers
Fixed freq, synchronous, current limiting
Fixed 300kHz, 1A MOSFET Driver
Fixed 550kHz, low input voltage
Fixed 200kHz, low cost, versatile
Programmable current limit
Isolated Buck-Boost or Non-Isolated SEPIC
Current Mode, MSOP, Zeta Converter
Current Mode, UVLO, SOT-23
10~60V
4~28V
2~10V
3.5~36V
10~60V
4.5~20*
1.23~18
2.5~9.8V
LT1617-1
LT1617-1
LTC1174
LT1611
LT1614
LT1107/08
LT1111/73
LT1931
LT1372/77
LT1074/76
LTC1624
LT1339
LTC1872
Integrated Switches
SOT-23, Fixed Off-Time, to -34V Output
SOT-23, Fixed Off-Time, to 3-4V Output
130µA IQ, 200kHz, internal Schottky
1.3MHz, 1 cell, SOT-23, 1µA shutdown
Fixed 600kHz, 1 cell, inverting
63kHz, 2 cells, shutdown
2 cells, adjustable current limit
1.2MHz, to -34V Output, SOT-23
500kHz/1MHz, shutdown
100kHz, pulse-by-pulse limiting
Fixed freq, low cost, versatile
Fixed freq, synchronous, High power
-2.5V Input Boost to +3.3V Output
100mA
350mA
500mA
550mA
750mA
1A
1A
1A
1.5A
5A/2A
10A
50A
2A
1~15V
1.2~15V
4~18.5V
1.1~10V
1~12V
2~30V
2~30V
2.6~16V
2.7~30V
8~45/64V
3.5~36V
10~60V
2.5~9.8V
Inverting - Recommended Circuits
Recommended Controllers (External Switches)
PART
NUMBER
COMMENTSSWITCH
CURRENT
INPUT
VOLTAGE
PART
NUMBER
COMMENTSINPUT
VOLTAGE
SWITCH
CURRENT
* High Voltage Limited Only by External Components
** Power Rating is More Suitable for this Transformer Based Controller
See Also Charge Pump Inverters on Page 2-73
Bold = New Products Since May, 2000
Continued
Switching Regulators
2-63
Selection
Guides
Switching Regulators
LT1615-1
LT1615
LT1610
LT1316
LT1109/A
LT1307
LT1317
LT1500/01
LT1300/01/03
LT1304
LT1110
LTC3401
LT1308A
LT1305
LTC3402
LTC1700
LTC1872
LT1619
LTC1779
LTC1474/75
LTC1433/34
LTC1174/1574
LTC1701
LT1611
LT1612
LTC1877
LTC1878
LTC3404
LTC1627
LT1073
LT1108/73
LT1107/11
LTC1265
LTC1772
LTC1773
Bold indicates new product
Boost, Integrated Switches and Controllers
Buck, Integrated Switches and Controllers
SOT-23, Fixed Off-Time, to 34V Output
SOT-23, Fixed Off-Time, to 34V Output
1.7MHz, 1 cell, tiny circuit
Constant off-time, 2 cells, 33µA IQ
120kHz, 3 externals,
600kHz, 1 cell
Fixed 600kHz , 2 cells
Low noise, synchronize to 500kHz
155kHz, 2 cells, selectable
300kHz, 2 cells, LCD bias
70kHz, 3 externals, versatile
to 3MHz, Synchronous, MSOP
600kHz, 1 cell
220kHz, 2 cells
to 3MHz, Synchronous, MSOP
Synchronous, High Efficiency, MSOP
Current Mode, UVLO, SOT-23
Fixed 300kHz, 1A MOSFET Driver
Constant 550kHz, High Eff., SOT-23
10µA I
Q
, push-btton on-off
200kHz, Phase lockable
130µA I
Q
, 200kHz, internal Schottky
1MHz, SOT-23, Burst Mode
1.4MHz, 1 cell, SOT-23, inverting
Synchronous, Ceramic Caps
I
Q
= 10µA, No Schottky Diode
MSOP. All Ceramic Caps
1.4MHz, I
Q
= 10µA, Selectable Burst
350kHz, synchronous, to 95% eff.
3 externals, versatile
2 cells, line reg 0.2%, adj current limit
63/72kHz, 2 cells, shutdown
700kHz, micropower shutdown
SOT-23, 10mA < Iout < 4.5A
Constant 550kHz,Controller, MSOP
100mA
350mA
450mA
500mA
500mA
600mA
650mA
700mA
1A
1A
1A
1A
2A
2A
2A
2A
2A
8A
250mA
400mA
450mA
500mA
500mA
550mA
600mA
600mA
600mA
600mA
800mA
1A
1A
1A
1.2A
4.5A
6A
1~15V
1.2~15V
1~8V
1.5~8V
1.6~20V
1~12V
1.5~12V
1.8~15V
1.8~10V
1.5~8V
1~30V
0.5~5V
1~10V
1.8~10V
0.5~5V
0.9~6.5V
2.5~9.8V
4~28V
2.5~9.8V
3~18V
3.5~13.5V
4~18.5V
1.25~5V
1.1~10V
2~5.5V
2.65~6V
2.65~10V
2.65~6V
2.65~8.5V
1~30V
2~30V
2~30V
3.5~13V
2.65~10V
2.65~8.5V
Micropower
LT1082
LT1072/72HV
LT1172/72HV
LT1572
LT1424/25
LT1103/05
LT1071/HV
LT1171/HV
LT1269/71
LT1170/70HV
LT1074/76
LT1370/70HV
LT1270A
LT1725
LT1737
Integrated Switches
60kHz, to 100V switch
40kHz, self protected
100kHz, adaptive switch drive
100kHz, Internal Schottky, shutdown
Regulation into discontinuous mode
±1% with no optocoupler, 200kHz
100kHz, "Bust proof"
100kHz, self protected
60/100kHz, adaptive switch drive
100kHz, adaptive switch drive
100kHz, pulse-by-pulse limiting
500kHz, 6µA shutdown
60kHz, bust proof, easy to use
Isolated Flyback Controller, No Opto
Isolated Flyback, Excellent Regulation
1A
1.25
1.25
1.25
1.25
2
2.5
2.5
4
5
5/2
6
10
100W†
100W†
3~75
3~40/60
3~40/60
3~40
3~20
10~30
3~40/60
3~40/60
3.5~30
3~40
8~45/64
2.7~30
3.5~30
**
4.5~20
Flyback
CCFL/Backlight Regulators
LCD Bias Converters*
LED Backlight Regulators (for LCD Displays)
LCD Bias and Backlight Converters
PART
NUMBER
COMMENTS
SWITCH
CURRENT
INPUT
VOLTAGE PART
NUMBER
COMMENTSINPUT
VOLTAGE
SWITCH
CURRENT
LT1182/83
LT1184/F
LT1186
LT1786F
LT1768
LT1615/ -1
LT1617/ -1
LT1610
LT1307/B
LT1611
LT1613
LT1316
LT1614
LT1317/B
LT1173
LT1300
LT1304
LT1930
LT1931
LT1947/8
LT1949/ -1
LT1308A/B
Charge Pumps
LTC1928-5
LTC1682
LTC1754
LTC1751
LTC3200
Switching Regulators
LT1618
CCFL+LCD, ±contrast, ref output
CCFL only, ref output
CCFL, DAC controlled brightness
CCFL, SMBus controlled brightness
High Power CCFL Controller,
Multimode Dimming
Fixed Off-Time, to 34V Output, SOT-23
Fixed Off-Time, to -34V Output, SOT-23
1.7MHz, to 28V, 1µA shutdown, MSOP
600kHz, to 26V, 3µA shutdown, MSOP
to -34V, SOT-23
Fixed 1.4MHz, to 34V Output, SOT-23
Constant off-time, to 28V, MSOP
to -24V, MSOP
Fixed 600kHz , to 28V, MSOP
To 50V, SO8
155kHz, to 29V, SO8
to 300kHz, to 22V, SO8
1.2MHz, to 34V Output, SOT-23
1.2MHz, to -34V Output, SOT-23
3 Outputs for TFT-LCD Displays, MSOP
600kHz/1.1MHz, Ceramic Caps, MSOP
600kHz, low ripple, to 34V, SO8
With Linear Regulator, 550kHz, SOT-23
With Linear Regulator, 550kHz, MSOP
Ultralow Power, SOT-23
Ultralow Power, Power Good, MSOP
Constant 2MHz, Low Noise, SOT-23
1.4MHz, CC/CV, to 34V Output, MSOP
350mA
350mA
600mA
500mA
700mA
700mA
750mA
750mA
1A
1A
1A
1A
1A
1A
1A
1A
2A
30mA
50mA
50mA
100mA
100mA
1.1A
3~30
3~20
4.5~30
4.5~30
8~24
1.2 to 15
1.2 to 15
1 to 8
1 to 12
1.1 to 10
1.1 to 10
1.5 to 12
1 to 12
1.5 to 12
2 to 12
1.8 to 10
1.5 to 8
2.6 to 16
2.6 to 16
2.6 to 8
1.5 to 12
1 to 10
2.7~4.4V
1.8~4.4V
2.7~5.5V
2~5.5V
2.7~4.5V
1.6~18
PART
NUMBER
COMMENTSINPUT
VOLTAGE
SWITCH
CURRENT
† Power Rating is More Suitable for this Transformer Based Controller
**High Voltage Limited Only by External Components
* Also for MR Head Bias, CCD Bias, and GaAs FET Bias
Switching Regulators
LT1508/09
LT1248/49
LT1103/05
LT1425
LT1725
LT1737
LTC1922-1
PFC and PWM single chip, 300kHz, soft start
Overvoltage protection, 200kHz, PFC in 8 leads
Universal to 100W, isolated, 200kHz, 2A switch
Regulation into discontinuous mode
Isolated Flyback Controller, No Opto
Isolated Flyback, Excellent Regulation
Phase-Modulated Full-Bridge Controller, Zero Voltage
Switching, 50W to kW
High Voltage and Offline Controllers
PART
NUMBER
COMMENTS
*Minimum Operating Threshold
LT1241
LT1242
LT1243
LT1244
LT1245
Low start-up current, to 500kHz
Improved 1842, to 100% duty cycle
Improved 1843, to 100% duty cycle
Improved 1844
Improved 1845
9.6
16
8.4
16
8.4
PWM
CIRCUITS
COMMENTSINPUT
V*
2-74
Charge Pump DC/DC Converters
Regulated
Negative
Output
LTC1261 (–5V, 15mA)
LTC1429 (–5V, 12mA, Sync)
LT1054 (100mA)
LT1054L (125mA)
LT1261L (–4V/–4.5V/Adj; 20mA)
LTC1550 (–4.1V/Adj)
LTC1551 (–4.1V/Adj)
LTC1550L (–4.1V/-2.5V/–2V/Adj)
LTC1551L (–4.1V/Adj)
LTC Charge Pump DC/DC Converters
Low Output Noise
900 kHz, 10mA, 1mVp-p
Doubler
or Tripler
Unregulated
Positive or Negative
Output
LTC660 (100mA)
LTC1044 (20mA)
LTC1044A (20mA)
LTC1046 (50mA)
LTC1144 (50mA)
LT1026 (±V
OUT
,10mA)
LT1054 (Adj,125mA)
Regulated
Positive Output
(Step-Up)
LT1054 (Adj,125mA)
LTC1516 (5V, 50mA)
LTC1517 (3.3V/5V, 20mA)
LTC1522 (5V, 20mA)
LTC1682 (3.3V/5V, Adj, 80mA)
LTC1502 (3.3V, 10mA)
LTC1751 (3.3V/5V/Adj., 100mA)
LTC1754 (5V, 50mA)(3.3V, 40mA)
LTC1928 (5V, 30mA)
LTC3200 (5V/Adj., 100mA)
Flash Memory
Programming
LTC1262 (12V, 30mA)
LTC1263 (12V, 60mA)
SIM,
Smart Card
LTC1986 (3V/5V, 10mA)
LTC1555/6 (1.8V/3V/5V, 20mA)
LTC1755/6 (3V/5V, 65mA)
LTC1555L
LTC1555L-1.8
Regulated
Positive Output
(Step-Down)
LTC1503-1.8 (1.8V, 100mA)
LTC1503-2 (2V, 100mA)
LTC1911-1.8 (1.8V, 250mA)
Regulated
Positive Output
(Step-Up/Step-Down)
LTC1514
(2V to 10V Input,
3.3V/5V Output, 50mA,
Low-Battery Detect)
LTC1515
(2V to 10V Input,
3V/3.3V/5V/Adj Output,
50mA, Power-On Reset)
2-79
Selection
Guides
Integrated High
Side Switches
LT1188 – 1.5A HSS, Output
Protected Against Inductive
Kickback Controlled Slew
Rate/Low RF Noise STATUS
Line for Diagnostics Protected
Against Overtemp, Load Faults
LTC1477/78 – Single/Dual
Protected 1.4A HSS,
Low 0.07Ω ON Resistance,
Operates From 2.7V to 5.5V,
No Parasitic Body Diode
PCMCIA Switches
and Switch Drivers
LTC1153 – Electronic Circuit
Breaker w/Programmable
Trip, Reset, Current Level
LTC1154 – Single N-Ch
FET Switch Driver
w/Short-Circuit Protection
LTC1155 – Dual N-Ch FET
Switch Drivers
w/Short-Circuit Protection
LTC1156 – Quad N-Ch FET
Switch Drivers
w/Short-Circuit Protection
LTC1157 – Dual N-Ch FET
Switch Drivers for 3.3V
Operation (Also for Low
Cost 5V Applications)
LT1161 – Quad High Voltage N-Channel
FET Switch Drivers with Reset
and Short-Circuit Protection
LTC1163 – Triple N-Ch FET Switch Drivers
for 1.8V Operation (and up to 5V Applications)
LTC1165 – Triple N-Ch FET Switch Drivers
for 1.8V Operation (and up to 5V Applications)
LTC1177 – UL Recognized Isolated MOSFET Driver
LTC1255 – Dual N-Ch FET Switch Drivers
w/Short-Circuit Protection, 24V Operation
LTC1982 – Dual N-Ch Switch Driver in SOT-23
LT1312 – Single PCMCIA VPP Switch
Driver/Regulator
LT1313 – Dual PCMCIA VPP Switch
Driver/Regulator
LTC1314 – Single PCMCIA Switch Matrix
LTC1315 – Dual PCMCIA Switch Matrix
LTC1470 – Single 5V/3.3V V
CC
Switch
Matrix with SafeSlot™ Protection
LTC1471 – Dual 5V/3.3V V
CC
Switch
Matrix with SafeSlot™ Protection
LTC1472 – Single V
CC
and VPP Switch
Matrix with SafeSlot™ Protection
Switch Drivers
Half-/Full-Bridge N-Ch MOSFET Drivers
LT1158 – 5V to 30V Operation,
Drives DC Motors and Switching
Power Supply N-Ch MOSFET
Switch Gates, On-Chip Charge Pump,
Adaptive Anti-Shoot-Through,
Fully Protected, 150ns Transition
Times Driving 3000pF
LT1160 – 10V to 60V Operation,
Drives DC Motors and Switching
Power Supply N-Ch MOSFET
Switch Gates, Adaptive
Anti-Shoot-Through, 180ns
Transition Times Driving 10,000pF
LT1162 – Full-Bridge Version of LT1160
LT1336 – Half-Bridge Driver, Drives FETs
Operating from Up to 60V Rails,
Boost Converter Allows DC
(100% Duty Cycle) Operation
High Side Switch Drivers
SMBus Switch
Controllers
LTC1623 – Dual N-Ch. FET Switch
Drivers with SMBus Control
LTC1710 – Dual High Side Switch
with SMBus Interface
LTC1695 – Fan Speed Controller
with SMBus Interface
PowerPath™
Switch Drivers
LTC1473 – Dual N-Ch. FET Switching
for multiple DC sources
LTC1473L – Low Voltage Version
for Battery Power Management
LTC1479 – Directs Power from up to
Two Battery Packs and a DC Power Source
MOSFET
Gate Drivers
LTC1693-1 – Isolated Dual
Non-Inverting Drivers
LTC1693-2 – Isolated Dual Drivers,
One Inverting, One Non-Inverting
LTC1693-3 – Single Driver with
Polarity Option for Inverting or
Non-Inverting
Hot Swap
Controllers
See Page 2-82 Bold Indicates New Product
Switch Drivers
2-82
VOLTAGE PWRGD OV FOLDBACK PRICE
PART NUMBER OUTPUTS INPUT RANGE FAULT OR RST SCR CURRENT LIMIT PACKAGES APPLICATION 1K QTY*
LTC1421 2 3V to 12V (–12V) Both SSOP, SW24 Networking, Telecom, Industrial 4.90
LTC1422 1 3V to 12V RST SO-8, N8 General purpose 2.50
LT1640 1 –10V to – 80V PWRGD SO-8, N8 –48V Telecom 1.90
LT1641 1 9V to 80V PWRGD SO-8, N8 24V/48V industrial/alarms 2.35
LTC1642 1 3V to 16.5V RST SSOP16 General purpose with fault protection 3.50
LTC1643 4 3V/5V/±12V PWRGD SSOP16 PCI (H), CompactPCI
™
(L) 4.25
LTC1644 4 3V/5V, ±12V Both SSOP-20 CompactPCI
†
LTC1645 2 1.2V to 12V RST SO-8, SO-14 Power sequencing 2.95
LTC1646 2 3V/5V Both SSOP-16 Compact PCI w/o ±12V 3.40
LTC1647-1 2 3V to 16.5V — SO-8 Dual ON Pins, Single Supply 2.95
LTC1647-2 2 3V to 16.5V — SO-8 Dual ON Pins, Auto Retry 2.95
LTC1647-3 2 3V to 16.5V — SSOP16 Dual ON Pins, Dual Supplies 2.95
Hot Swap Products
Choose the Right Hot Swap Controller for Your Application
■
Allows Insertion/Removal into Live Backplane
■
Controlled Inrush Current
■
Short-Circuit Protection
■
Voltage Monitoring
■
Overvoltage Protection
■
Microprocessor Reset
■
Programmable Voltage Ramp Rate
■
Foldback Current Limit
■
Power Supply Sequencing
■
Control From –100V to +80V Supplies
Hot Swap
TM
Family Features
* Price shown is unit price (lowest cost package version) when purchased in quantities of 1000
† New product not priced at time of printing
2-837
Selection
Guides
Microprocessor Supervisory Circuits
Microprocessor Supervisory Circuits
Single Voltage Monitor Multiple Voltage Monitor
Triple Reset:
5V, 3.3V, and
Adjustable Threshold
4.65V Threshold
LTC1235
with Push-Button Reset and
Battery Backup Switching
LTC690
Battery Backup Switching
LTC691
Battery Backup Switching
and RAM Write Protect
LTC694
Battery Backup Switching
and 200ms Reset
Pulse Width
LTC695
Battery Backup Switching,
RAM Write Protect and 200ms
Reset Pulse Width
LTC699
200ms Reset Pulse Width
1k Price*
3.70
3.40
3.70
3.45
3.70
2.45
LTC692
Battery Backup Switching
LTC693
Battery Backup Switching
and RAM Write Protect
LTC694-3.3
Battery Backup Switching
and 200ms, Reset Pulse Width
LTC695-3.3
Battery Backup Switching,
RAM Write Protect and 200ms
Reset Pulse Width
LTC1232
4.62V or 4.37V Threshold
with Push-Button Reset
4.40V Threshold
2.90V Threshold
LTC1326
±0.75% Threshold Accuracy
Push-Button Reset
LTC1536
Meets PCI t
FAIL
Timing Specifications
Push-Button Reset
LTC1726-5
MSOP, Adj Watchdog Timer
LTC1727-5
MSOP, 15µA Supply Current,
Monitor Output for Each Supply
LTC1728-5
SOT-23, 15µA Supply Current,
Glitch Immunity
1k Price*
2.20
2.65
1.75
1.75
1.35
Selectable
Threshold
Triple Reset:
3.3V, 2.5V, and
Adjustable Threshold
LTC1326-2.5
±0.75% Threshold Accuracy
Push-Button Reset
LTC1726-2.5
MSOP, Adj Watchdog Timer
LTC1727-2.5
MSOP, 15µA Supply Current,
Monitor Output for Each Supply
LTC1728-2.5
SOT-23, 15µA Supply Current,
Glitch Immunity
3.40
3.70
3.65
4.00
1.75
2.20
1.75
1.75
1.35
* Price shown is unit price
(lowest cost package version)
when purchased in quantities of 1000.
NEW!
NEW IN
SOT-23!
NEW IN
SOT-23!
Triple Reset:
3.0V, 1.8V, and
Adjustable Threshold
LTC1728-1.8
SOT-23, 15µA Supply Current
LTC1985-1.8
SOT-23, 15µA, Push-Pull
Reset Output
1.35
1.35
NEW IN
SOT-23!
NEW!
