V15
1
︳
EC3AB SERIES
3 WATT 2:1 INPUT RANGE
DC-DC CONVERTERS
FEATURES
* 3W Isolated Output
* DIP-24/SMD Package
* Efficiency to 80%
* Regulated Outputs
* Pi Input Filter
* Continuous Short Circuit Protection
* Meets EN55022 Class B, Conducted
* Remote On/Off (Option)
NOTE: 1. Nominal Input Voltage 12, 24 or 48 VDC
INPUT CURRENT
MODEL
NUMBER
INPUT
VOLTAGE
OUTPUT
VOLTAGE
OUTPUT
CURRENT
NO LOAD FULL LOAD
%
EFF.
CASE
EC3AB11 9-18 VDC 5 VDC 600 mA 7.5 mA 329 mA 76 DIP-24
EC3AB12 9-18 VDC 12 VDC 250 mA 7.5 mA 316 mA 79 DIP-24
EC3AB13 9-18 VDC 15 VDC 200 mA 7.5 mA 321 mA 78 DIP-24
EC3AB14 9-18 VDC ±5 VDC ±300 mA 12 mA 329 mA 76 DIP-24
EC3AB15 9-18 VDC ±12 VDC ±125 mA 12 mA 325 mA 77 DIP-24
EC3AB16 9-18 VDC ±15 VDC ±100 mA 12 mA 329 mA 76 DIP-24
EC3AB17 9-18 VDC 3.3 VDC 600 mA 7.5 mA 229 mA 72 DIP-24
EC3AB21 18-36 VDC 5 VDC 600 mA 5 mA 162 mA 77 DIP-24
EC3AB22 18-36 VDC 12 VDC 250 mA 5 mA 156 mA 80 DIP-24
EC3AB23 18-36 VDC 15 VDC 200 mA 5 mA 156 mA 80 DIP-24
EC3AB24 18-36 VDC ±5 VDC ±300 mA 7.5 mA 164 mA 76 DIP-24
EC3AB25 18-36 VDC ±12 VDC ±125 mA 7.5 mA 156 mA 80 DIP-24
EC3AB26 18-36 VDC ±15 VDC ±100 mA 7.5 mA 162 mA 77 DIP-24
EC3AB27 18-36 VDC 3.3 VDC 600 mA 5 mA 111 mA 74 DIP-24
EC3AB31 36-72 VDC 5 VDC 600 mA 2 mA 81 mA 77 DIP-24
EC3AB32 36-72 VDC 12 VDC 250 mA 2 mA 81 mA 77 DIP-24
EC3AB33 36-72 VDC 15 VDC 200 mA 2 mA 81 mA 77 DIP-24
EC3AB34 36-72 VDC ±5 VDC ±300 mA 3 mA 80 mA 78 DIP-24
EC3AB35 36-72 VDC ±12 VDC ±125 mA 3 mA 82 mA 76 DIP-24
EC3AB36 36-72 VDC ±15 VDC ±100 mA 3 mA 82 mA 76 DIP-24
EC3AB37 36-72 VDC 3.3 VDC 600 mA 3 mA 58 mA 71 DIP-24
V15
2
SPECIFICATIONS
All Specifications Typical At Nominal Line, Full Load, and 25℃ Unless Otherwise Noted
INPUT SPECIFICATIONS: ISOLATION VOLTAGE:
Input Voltage Range ....……………..........….......... 12V ........................ 9-
18V
500 VDC min. …………………………………………… Standard Models
24V ...................... 18-36V
3K VDC min. (note4) …………………………………… Suffix “H” Models
48V ...................... 36-72V
1.5K VDC min. ………………………………………… Suffix “HM” Models
Positive Logic Remote ON/OFF ( see note 6 )
CASE MATERIAL:
Input Filter ………………………………………………….…….……..... Pi Type
Standard Models …………….…………… Non-Conductive Black Plastic
OUTPUT SPECIFICATIONS:
Suffix “M” Models …………….……….. Black Coated Copper with Non-conductive Base
Voltage Accuracy .......................................................................... ±2.0% max.
NOTE:
Voltage Balance (Dual) .................................................................. ±1.0% max.
1. Measured from high line to low line.
Temperature Coefficient …………………………………………… ±0.05%/℃
2. Measured from full load to 10% load.
Ripple & Noise, 20MHz BW …………….… 3.3V/5V ……. 100mV pk-pk max.
3. Measured from full load to 1/4 load.
12V/15V ……...… 1% pk-pk max.
4. Non-conductive black plastic only.
Short Circuit Protection ……………………………………………… Continuous
5. Suffix “T” to the model number with remote on/off for “H”/”HM”
Line Regulation Single/Dual (note1) …….………………….........…±0.5% max.
versions only.
Load Regulation (note2) Single ………………….......……….... ±0.5% max.
6. Logic Compatibility …. CMOS or open collector TTL, ref. to -Vin
Dual (note3) ………………………… ±1.0% max.
Module on …………..……..……… >5.5VDC or open circuit
GENERAL SPECIFICATIONS:
Module off ….………………….……………………. <1.8Vdc.
Efficiency .......................................................................................... See Table
Shutdown Idle ………………………………………….. 10mA
Isolation Resistance ............................................................…… 10
9
ohm min.
Control common ……….…….. referenced to input minus
Switching Frequency ................................................................... 100KHz min.
7. Suffix “S” to the model number with SMD packages.
Operating Ambient Temperature Range .................................. -25℃ to +71℃
8. Maximum case temperature under any operating condition should
De-rating, Above 71℃ (Plastic Case) ……… Linearly to Zero power at 95℃
not be exceeded 95℃(Plastic Case),100℃(Copper Case).
De-rating, Above 71℃ (Copper Case) ….… Linearly to Zero power at 100℃
Case Temperature (Plastic case note 8) ...................................... 95℃ max.
(Copper case note 8) ………………………….. 100℃ max.
Cooling ………………………………………………….…….. Natural Convection
Storage Temperature Range ………....….......……........ -40℃ to +100℃
EMI/RFI ………………………..……. Conductive EMI Meet EN55022 Class B
Dimensions …… DIP ….…...… 1.25x0.80x0.50 inches(31.8x20.3×12.7 mm)
SMD …….… 1.25x0.80x0.55 inches(31.8x20.3×14.0 mm)
Case A Dimensions:
BOTTOM
VIEW
SEE NOTE
* NP-NO PIN
* NC-NO CONNECTION WITH PIN
All Dimensions In Inches (mm)
Tolerances Inches: X.XX= ±0.02 , X.XXX= ±0.010
Millimeters: X.X= ±0.5 , X.XX=±0.25
TOP
VIEW
CASE AS
* Remote On/Off (Option)
PIN CONNECTION
500 VDC 1.5K & 3K VDC
Pin Single Output Dual Output
1,24
2,23
3,22
10,15
11,14
12,13
+V Input
NC
NC
-V Output
+V Output
-V Input
+V Input
-V Output
-V Input
Common
Common
+V Output
9
4
21
DIP SMD
NP NC
NP NC
NP NC
DIP SMD
Pin Single Output Dual Output
DIP SMD DIP SMD
NP NC
NP NC
NP NC
NC
NC -V Output
Common
-V Input -V Input
+V Output
+V Output
Common
-V Output
+V Input +V Input
1,24
2,3
10,15
11
12,13
14
9
22,23
16
20,21
NP NC NP NC
NP NC NP NC
NC NC
NP NC NP NC
NP NC NP NC
16 NP NC NP NC
5NP NC NP NC
NP/ NC/ NP/ NC/
20 NP NC NP NC
5
4
NOTE:Pin Size is 0.02±0.002 Inch (0.5±0.05 mm) DIA
Typical Derating curve for Natural Convection
71
-25
95
100
0%
20%
40%
60%
80%
100%
120%
-25 0 25 50 75 100
Ambient Temperature(
o
C)
LOAD(%)
Plastic Case
Copper Case
Mouser Electronics
Authorized Distributor
Click to View Pricing, Inventory, Delivery & Lifecycle Information:
Cincon:
EC3AB22 EC3AB37 EC3AB36 EC3AB37H EC3AB35H EC3AB33H EC3AB34H EC3AB36H EC3AB32H
EC3AB11 EC3AB12 EC3AB13 EC3AB14 EC3AB15 EC3AB16 EC3AB17 EC3AB21 EC3AB23 EC3AB24
EC3AB25 EC3AB26 EC3AB27 EC3AB31 EC3AB32 EC3AB33 EC3AB34 EC3AB35 EC3AB16HM EC3AB26HM
EC3AB35HM EC3AB31S EC3AB15S EC3AB31HM EC3AB14M EC3AB32S EC3AB27M EC3AB34HM EC3AB25S
EC3AB24M EC3AB16M EC3AB25HM EC3AB25M EC3AB26S EC3AB37HM EC3AB32M EC3AB31M
EC3AB23M EC3AB24S EC3AB14S EC3AB13HM EC3AB17M EC3AB21HM EC3AB11HM EC3AB12HM
EC3AB37S EC3AB11H EC3AB12H EC3AB13H EC3AB17H EC3AB21H EC3AB22H EC3AB23H EC3AB27H
EC3AB31H EC3AB14H EC3AB15H EC3AB16H EC3AB24H EC3AB25H EC3AB26H EC3AB23S EC3AB36M
EC3AB33HM EC3AB26M EC3AB27S EC3AB35S EC3AB27HM EC3AB22HM EC3AB15M EC3AB23HM
EC3AB16S EC3AB37M EC3AB32HM EC3AB36HM EC3AB22S EC3AB14HM EC3AB15HM EC3AB22M
EC3AB34M EC3AB33S EC3AB11S EC3AB21M EC3AB24HM EC3AB35M EC3AB36S EC3AB11M EC3AB17S
EC3AB21S EC3AB12S EC3AB13M
