One Technology Way, P.O. Box 9106, Norwood. MA 02062-9106, U.S.A.
Tel: 617/329-4700 Fax: 617/326-8703
FUNCTIONAL BLOCK DIAGRAM
ADP667
IN
SHDN
LBO
LBI
GND
50mV
SET
DD
OUT
1.255V
REF
A1
C1
C2
REV. 0
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
a
+5 V Fixed, Adjustable
Low-Dropout Linear Voltage Regulator
ADP667
FEATURES
Low-Dropout: 150 mV @ 200 mA
Low Power CMOS: 20 µA Quiescent Current
Shutdown Mode: 0.2 µA Quiescent Current
250 mA Output Current
Pin Compatible with MAX667
Stable with 10 µF Load Capacitor
Low Battery Detector
Fixed +5 V or Adjustable Output
+3.5 V to +16.5 V Input Range
Dropout Detector Output
APPLICATIONS
Handheld Instruments
Cellular Telephones
Battery Operated Devices
Portable Equipment
Solar Powered Instruments
High Efficiency Linear Power Supplies
GENERAL DESCRIPTION
The ADP667 is a low-dropout precision voltage regulator that
can supply up to 250 mA output current. It can be used to give
a fixed +5 V output with no additional external components or
can be adjusted from +1.3 V to +16 V using two external resis-
tors. Fixed or adjustable operation is automatically selected via
the SET input. The low quiescent current (20 µA) in conjunc-
tion with the standby or shutdown mode (0.2 µA) makes this
device especially suitable for battery powered systems. The
dropout voltage when supplying 100 µA is only 5 mV allowing
operation with minimal headroom and prolonging the battery
useful life. At higher output current levels the dropout remains
low increasing to just 150 mV when supplying 200 mA. A wide
input voltage range from 3.5 V to 16.5 V is allowable.
Additional features include a dropout detector and a low supply/
battery monitoring comparator. The dropout detector can be
used to signal loss of regulation, while the low battery detector
can be used to monitor the input supply voltage.
The ADP667 is a pin-compatible replacement for the MAX667.
It is specified over the industrial temperature range –40°C to
+85°C and is available in an 8-pin DIP and in narrow surface
mount (SOIC) packages.
ORDERING GUIDE
Temperature Package Package
Model Range Description Option
ADP667AN –40°C to +85°C 8-Pin Plastic DIP N-8
ADP667AR –40°C to +85°C 8-Lead SOIC SO-8
TYPICAL OPERATING CIRCUIT
IN OUT
GNDSET SHDN
ADP667
+5V
OUTPUT
C1
10µF
+
+6V
INPUT +
© Analog Devices, Inc., 1995
ADP667–SPECIFICATIONS
REV. 0
Parameter Min Typ Max Units Test Conditions/Comments
Input Voltage, V
IN
3.5 16.5 V
Output Voltage, V
OUT
4.8 5.0 5.2 V V
SET
= 0 V, V
IN
= 6 V, I
OUT
= 10 mA
Maximum Output Current 250 mA V
IN
= +6 V, +4.5 V < V
OUT
< +5.5 V
Quiescent Current
I
GND
: Shutdown Mode 0.2 1 µAV
SHDN
= 2 V, T
A
= +25°C
2µAT
A
= T
MIN
to T
MAX
I
GND
: Normal Mode V
SHDN
= 0 V, V
SET
= 0 V, T
A
= +25°C
20 25 µAI
OUT
= 0 µA
20 30 µAI
OUT
= 100 µA
515 mAI
OUT
= 200 mA
T
A
= T
MIN
to T
MAX
35 µAI
OUT
= 0 µA
50 µAI
OUT
= 100 µA
20 mA I
OUT
= 200 mA
Dropout Voltage 5 60 mV I
OUT
= 100 µA, T
A
= +25°C
75 mV T
A
= T
MIN
to T
MAX
150 250 mV I
OUT
= 200 mA, T
A
= +25°C
350 mV T
A
= T
MIN
to T
MAX
Load Regulation 50 100 mV I
OUT
= 10 mA–200 mA, V
IN
= 6 V, T
A
= +25°C
250 mV T
A
= T
MIN
to T
MAX
Line Regulation 5 10 mV V
IN
= 6 V to 10 V, I
OUT
= 10 mA, T
A
= +25°C
15 mV T
A
= T
MIN
to T
MAX
SET Reference Voltage, V
SET
1.23 1.255 1.28 V
SET Input Leakage Current, I
SET
±0.01 ±10 nA V
SET
= 1.5 V, T
A
= +25°C
±1000 nA T
A
= T
MIN
to T
MAX
Output Leakage Current, I
OUT
0.1 1 µAV
SHDN
= 2 V
Short-Circuit Current, I
OUT
400 mA T
A
= +25°C
450 mA T
A
= T
MIN
to T
MAX
Low Battery Detector Input Threshold, V
LBI
1.215 1.255 1.295 V
LBI Input Leakage Current, I
LBI
±0.01 ±10 nA V
LBI
= 1.5 V, T
A
= +25°C
±1000 nA T
A
= T
MIN
to T
MAX
Low Battery Detector Output Voltage, V
LBO
0.25 V V
LBI
< 1.215 V, I
LBO
= 10 mA, T
A
= +25°C
0.40 V T
A
= T
MIN
to T
MAX
Shutdown Input Threshold Voltage, V
SHDN
1.5 V
Shutdown Input Leakage Current, I
SHDN
±0.01 ±10 nA V
SHDN
= 0 V to V
IN
, T
A
= +25°C
±1000 nA T
A
= T
MIN
to T
MAX
Dropout Detector Output Voltage 0.25 V (V
SET
= 0 V, V
SHDN
= 0 V, R
DD
= 100 kΩ
V
IN
= 7 V, I
OUT
= 10 mA)
4.0 (V
SET
= 0 V, V
SHDN
= 0 V, R
DD
= 100 kΩ
V
IN
= 4.5 V, I
OUT
= 10 mA)
Specifications subject to change without notice.
ABSOLUTE MAXIMUM RATINGS*
(T
A
= +25°C unless otherwise noted)
Input Voltage, V
IN
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +18 V
Output Short Circuit to GND Duration . . . . . . . . . . . . . . 1 sec
LBO Output Sink Current . . . . . . . . . . . . . . . . . . . . . . . 50 mA
LBO Output Voltage . . . . . . . . . . . . . . . . . . . . . GND to V
OUT
SHDN Input Voltage . . . . . . . . . . . . . . . . –0.3 V (V
IN
+ 0.3 V)
LBI, SET Input Voltage . . . . . . . . . . . . . –0.3 V (V
IN
+ 0.3 V)
Power Dissipation, N-8 . . . . . . . . . . . . . . . . . . . . . . . . 625 mW
(Derate 8.3 mW/°C above +50°C)
θ
JA
, Thermal Impedance . . . . . . . . . . . . . . . . . . . . 120°C/W
Power Dissipation, SO-8 . . . . . . . . . . . . . . . . . . . . . . . 450 mW
(Derate 6 mW/°C above +50°C)
θ
JA
, Thermal Impedance . . . . . . . . . . . . . . . . . . . . 170°C/W
Operating Temperature Range
Industrial (A Version) . . . . . . . . . . . . . . . . . . –40°C to +85°C
Storage Temperature Range . . . . . . . . . . . . –65°C to +150°C
Lead Temperature (Soldering, 10 sec) . . . . . . . . . . . . +300°C
Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . . . . +215°C
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . +220°C
ESD Rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . > 6000 V
*This is a stress rating only and functional operation of the device at these or any
other conditions above those indicated in the operation sections of this specifica-
tion is not implied. Exposure to absolute maximum rating conditions for extended
periods of time may affect reliability.
–2–
(V
IN
= +9 V, GND = 0 V, V
OUT
= +5 V, C
L
= 10 µF, T
A
= T
MIN
to T
MAX
unless
otherwise noted)
ADP667
REV. 0 –3–
PIN FUNCTION DESCRIPTION
Mnemonic Function
DD Dropout Detector Output. PNP collector output
which sources current as dropout is reached.
V
IN
Voltage Regulator Input.
GND Ground Pin. Must be connected to 0 V.
LBI Low Battery Detect Input. Compared with 1.255 V.
LBO Low Battery Detect Output. Open Drain Output
that goes low when LBI is below the threshold.
SHDN Digital Input. May be used to disable the device
so that the power consumption is minimized.
SET Voltage Setting Input. Connect to GND for +5 V
output or connect to resistive divider for adjust-
able output.
OUT Regulated Output Voltage. Connect to filter
capacitor.
DIP & SOIC PIN CONFIGURATION
DD
OUT
LBI
GND
IN
LBO
SET
SHDN
1
2
3
4
8
7
6
5
TOP VIEW
(Not to Scale)
ADP667
TERMINOLOGY
Dropout Voltage: The input/output voltage differential at
which the regulator no longer maintains regulation against fur-
ther reductions in input voltage. It is measured when the output
decreases 100 mV from its nominal value. The nominal value is
the measured value with V
IN
= V
OUT
+2 V.
Line Regulation: The change in output voltage as a result of a
change in the input voltage. It is specified for a change of input
voltage from 6 V to 10 V.
Load Regulation: The change in output voltage for a change
in output current. It is specified for an output current change
from 10 mA to 200 mA.
Quiescent Current (I
GND
): The input bias current which
flows into the regulator not including load current. It is mea-
sured on the GND line and is specified in shutdown and also for
different values of load current.
Shutdown: The regulator is disabled and power consumption
is minimized.
Dropout Detector: An output that indicates that the regulator
is dropping out of regulation.
Maximum Power Dissipation: The maximum total device
dissipation for which the regulator will continue to operate
within specifications.
GENERAL INFORMATION
The ADP667 contains a micropower bandgap reference voltage
source, an error amplifier A1, two comparators (C1, C2) and a
series PNP output pass transistor.
CIRCUIT DESCRIPTION
The internal bandgap voltage reference is trimmed to 1.255 V
and is used as a reference input to the error amplifier A1. The
feedback signal from the regulator output is supplied to the
other input by an on-chip voltage divider or by two external
resistors. When the SET input is at ground, the internal divider
provides the error amplifier’s feedback signal giving a +5 V out-
put. When SET is at more than 50 mV above ground, compara-
tor C1 switches the error amplifier’s input directly to the SET
pin, and external resistors are used to set the output voltage.
The external resistors are selected so that the desired output
voltage gives 1.255 V at the SET input.
The output from the error amplifier supplies base current to the
PNP output pass transistor which provides output current. Up
to 250 mA output current is available provided that the device
power dissipation is not exceeded.
Comparator C2 compares the voltage on the Low Battery Input,
LBI, pin to the internal +1.255 V reference voltage. The output
from the comparator drives an open drain FET connected to the
Low Battery Output pin, LBO. The Low Battery Threshold
may be set using a suitable voltage divider connected to LBI.
When the voltage on LBI falls below 1.255 V, the open drain
output, LBO, is pulled low.
A shutdown (SHDN) input that can be used to disable the
error amplifier and hence the voltage output is also available.
The supply current in shutdown is less than 1 µA.
ADP667
IN
SHDN
LBO
LBI
GND
50mV
SET
DD
OUT
1.255V
REF
A1
C1
C2
Figure 1. ADP667 Functional Block Diagram
ADP667
REV. 0
–4–
APPLICATIONS INFORMATION
Circuit Configurations
For a fixed +5 V output the SET input should be grounded, and
no external resistors are necessary. This basic configuration is
shown in Figure 2. The input voltage can range from +5.15 V
to +16.5 V, and output currents up to 250 mA are available
provided that the maximum package power dissipation is not
exceeded.
IN OUT
GNDSET SHDN
ADP667
+5V
OUTPUT
C1
10µF
++
Figure 2. Fixed +5 V Output Circuit
Output Voltage Setting
If the SET input is connected to a resistor divider network, the
output voltage is set according to the following equation:
VOUT =VSET ×R1+R2
R1
where V
SET
= 1.255 V.
IN OUT
GND
SET
SHDN
ADP667
+
R1
R2
V
IN
V
OUT
C1
10µF
Figure 3. Adjustable Output Circuit
The resistor values may be selected by first choosing a value for
R1 and then selecting R2 according to the following equation:
R2=R1×V
OUT
V
SET
−1
The input leakage current on SET is 10 nA maximum. This
allows large resistor values to be chosen for R1 and R2 with
little degradation in accuracy. For example, a 1 MΩ resistor
may be selected for R1, and then R2 may be calculated accord-
ingly. The tolerance on SET is guaranteed at less than ±25 mV,
so in most applications fixed resistors will be suitable.
Shutdown Input (SHDN)
The SHDN input allows the regulator to be switched off with a
logic level signal. This will disable the output and reduce the
current drain to a low quiescent (1 µA maximum) current. This
is very useful for low power applications. Driving the SHDN in-
put to greater than 1.5 V places the part in shutdown.
If the shutdown function is not being used, then SHDN should
be connected to GND.
Low Supply or Low Battery Detection
The ADP667 contains on-chip circuitry for low power supply or
battery detection. If the voltage on the LBI pin falls below the
internal 1.255 V reference, then the open drain output LBO will
go low. The low threshold voltage may be set to any voltage
above 1.255 V by appropriate resistor divider selection.
R3=R4×V
BATT
V
LBI
–1
where R3 and R4 are the resistive divider resistors and V
BATT
is
the desired low voltage threshold.
Since the LBI input leakage current is less than 10 nA, large val-
ues may be selected for R3 and R4 in order to minimize loading.
For example, a 6 V low threshold, may be set using 10 MΩ for
R3 and 2.7 MΩ for R4.
The LBO output is an open-drain output that goes low sinking
current when LBI is less than 1.255 V. A pull-up resistor of
10 kΩ or greater may be used to obtain a logic output level with
the pull-up resistor connected to V
OUT
.
IN OUT
LBO
ADP667 C1
10µF
+
10kΩ
V
IN
LBI
GND SETSHDN
R3
R4 LOW BATTERY
STATUS OUTPUT
V
OUT
Figure 4. Low Battery/Supply Detect Circuit
ADP667
REV. 0 –5–
Dropout Detector
The ADP667 features an extremely low dropout voltage making
it suitable for low voltage systems where headroom is limited. A
dropout detector is also provided. The dropout detector output,
DD, changes as the dropout voltage approaches its limit. This is
useful for warning that regulation can no longer be maintained.
The dropout detector output is an open collector output from a
PNP transistor. Under normal operating conditions with the in-
put voltage more than 300 mV above the output, the PNP tran-
sistor is off and no current flows out the DD pin. As the voltage
differential reduces to less than 300 mV, the transistor switches
on and current is sourced. This condition indicates that regulation
can no longer be maintained. Please refer to Figure 10 in the
“Typical Performance Characteristics.” The current output can
be translated into a voltage output by connecting a resistor from
DD to GND. A resistor value of 100 kΩ is suitable. A digital
status signal can be obtained using a comparator. The on-chip
comparator LBI may be used if it is not being used to monitor a
battery voltage. This is illustrated in Figure 5.
+C1
10µF
IN OUT
LBO
ADP667
+5V
OUTPUT
R2
10kΩ
LBI
GNDSET SHDN
DROPOUT
STATUS
OUTPUT
DD
V
IN
R1
100kΩ
+
Figure 5. Dropout Status Output
Output Capacitor Selection
An output capacitor is required on the ADP667 to maintain
stability and also to improve the load transient response. Ca-
pacitor values from 10 µF upwards are suitable. All specifica-
tions are tested and guaranteed with 10 µF. Capacitors larger
than 10 µF will further improve the dynamic transient response
characteristics of the regulator. Tantalum or aluminum electro-
lytics are suitable for most applications. For temperatures below
about –25°C, solid tantalums should be used as many alumi-
num electrolytes freeze at this temperature.
Quiescent Current Considerations
The ADP667 uses a PNP output stage to achieve low dropout
voltages combined with high output current capability. Under
normal regulating conditions the quiescent current is extremely
low. However if the input voltage drops so that it is below the
desired output voltage, the quiescent current increases consider-
ably. This happens because regulation can no longer be main-
tained and large base current flows in the PNP output transistor
in an attempt to hold it fully on. For minimum quiescent cur-
rent, it is therefore important that the input voltage is main-
tained higher than the desired output level. If the device is being
powered using a battery that can discharge down below the rec-
ommended level, there are a couple of techniques that can be
applied to reduce the quiescent current, but at the expense of
dropout voltage. The first of these is illustrated in Figure 6. By
connecting DD to SHDN the regulator is partially disabled with
input voltages below the desired output voltage and therefore
the quiescent current is reduced considerably.
+C1
10µF
IN OUT
ADP667
+5V
OUTPUT
GNDSET SHDN
DD
V
IN
R1
47kΩ
+
C2
0.1µF
Figure 6. IQ Reduction 1
Another technique for reducing the quiescent current near drop-
out is illustrated in Figure 7. The DD output is used to modify
the output voltage so that as V
IN
drops, the desired output volt-
age setpoint also drops. This technique only works when exter-
nal resistors are used to set the output voltage. With V
IN
greater
than V
OUT
, DD has no effect. As V
IN
reduces and dropout is
reached, the DD output starts sourcing current into the SET
input through R3. This increases the SET voltage so that the
regulator feedback loop does not drive the internal PNP transis-
tor as hard as it otherwise would. As the input voltage continues
to decrease, more current is sourced, thereby reducing the PNP
drive even further. The advantage of this scheme is that it main-
tains a low quiescent current down to very low values of V
IN
at
which point the batteries are well outside their useful operating
range. The output voltage tracks the input voltage minus the
dropout. The SHDN function is also unaffected and may be
used normally if desired.
+C1
10µF
IN OUT
ADP667
+5V
OUTPUT
GND
SET
SHDN
DD R1
332kΩ
R2
1MΩ
R3
1MΩ
+
V
IN
Figure 7. IQ Reduction 2
–6– REV. 0
ADP667–Typical Performance Characteristics
1000
10 100
LOAD CURRENT – mA
100
10
T
A
= +25°C
11
1000
DROPOUT VOLTAGE – mV
Figure 8. Dropout Voltage vs. Load Current
10
0.01 10000.1
0.1
0.01
1
100101I
OUT
– mA
QUIESCENT CURRENT – mA
V
IN
= 6V
T
A
= +25°C
Figure 9. Quiescent Current vs. Load Current
I-O DIFFERENCE – mV
1000
100
1
0.00 0.450.05
DD OUTPUT CURRENT – µA
0.10 0.15 0.20 0.25 0.30 0.35 0.40
10
T
A
= +25°CT
A
= +25°C
100mA
50mA
20mA
10mA
5mA
2mA
Figure 10. DD Output Current vs. I-O Differential
∆I – mA
2.0
1.5
0.0 0 200
∆V – mV
50 100 150
1.0
0.5
T
A
= +25°C
V
IN
= 6V
C
L
= 10µF
Figure 11. Load Regulation (
∆
V
OUT
vs.
∆
I
OUT
)
CH1 2.00V CH2 200mV M 2.00ms
T
A
= +25°C+10V
+6V
V
IN
V
OUT
200mV
0V
Figure 12. Dynamic Response to Input Change
CH1 1.00V CH2 20.0mV M 2.00ms
100mA
10mA
OUTPUT
CURRENT
V
OUT
20mV
0mV
Figure 13. Dynamic Response to Load Change
ADP667
REV. 0 –7–
POWER DISSIPATION
The ADP667 can supply currents up to 250 mA and can oper-
ate with input voltages as high as 16.5 V, but not simultaneously.
It is important that the power dissipation and hence the internal
die temperature be maintained below the maximum limits. Power
Dissipation is the product of the voltage differential across the
regulator times the current being supplied to the load. The
maximum package power dissipation is given in the Absolute
Maximum Ratings. In order to avoid excessive die temperatures,
these ratings must be strictly observed.
P
D
= (V
IN
– V
OUT
) (I
L
)
The die temperature is dependent on both the ambient tempera-
ture and on the power being dissipated by the device. The inter-
nal die temperature must not exceed 125°C. Therefore, care
must be taken to ensure that, under normal operating condi-
tions, the die temperature is kept below the thermal limit.
T
J
= T
A
+ P
D
(
θ
JA
)
This may be expressed in terms of power dissipation as follows:
P
D
= (T
J
– T
A
)/(
θ
JA
)
where:
T
J
= Die Junction Temperature (°C)
T
A
= Ambient Temperature (°C)
P
D
= Power Dissipation (W)
θ
JA
= Junction to Ambient Thermal Resistance (°C/W)
If the device is being operated at the maximum permitted ambi-
ent temperature of 85°C, the maximum power dissipation per-
mitted is:
P
D
(max) = (T
J
(max) – T
A
)/(
θ
JA
)
P
D
(max) = (125 – 85)/(θ
JA
)
= 40/
θ
JA
where:
θ
JA
= 120°C/W for the 8-pin DIP (N-8) package
θ
JA
= 170°C/W for the 8-pin SOIC (SO-8) package
Therefore, for a maximum ambient temperature of 85°C:
P
D
(max) = 333 mW for N-8
P
D
(max) = 235 mW for SO-8
At lower ambient temperatures the maximum permitted power
dissipation increases accordingly up to the maximum limits
specified in the absolute maximum specifications.
The thermal impedance (θ
JA
) figures given are measured in still
air conditions and are reduced considerably where fan assisted
cooling is employed. Other techniques for reducing the thermal
impedance include large contact pads on the printed circuit
board and wide traces. The copper will act as a heat exchanger
thereby reducing the effective thermal impedance.
High Power Dissipation Recommendations
Where excessive power dissipation due to high input-output
differential voltages and/or high current conditions exists, the
simplest method of reducing the power requirements on the
regulator is to use a series dropper resistor. In this way the
excess power can be dissipated in the external resistor. As an
example, consider an input voltage of +12 V and an output
voltage requirement of +5 V @ 100 mA with an ambient tem-
perature of +85°C. The package power dissipation under these
conditions is 700 mW which exceeds the maximum ratings. By
using a dropper resistor to drop 4 V, the power dissipation
requirement for the regulator is reduced to 300 mW which is
within the maximum specifications for the N-8 package at 85°C.
The resistor value is calculated as R = 4/0.1 = 40 Ω. A resistor
power rating of 400 mW or greater may be used.
IN OUT
GNDSET SHDN
ADP667
+5V
OUTPUT
C2
10µF
+
40Ω
0.5W
C1
1µF
V
IN
12V +
Figure 14. Reducing Regulator Power Dissipation
Transient Response
The ADP667 exhibits excellent transient performance as illus-
trated in the “Typical Performance Characteristics.” Figure 12
shows that an input step from 10 V to 6 V results in a very small
output disturbance (50 mV). Adding an input capacitor would
improve this even more.
Figure 13 shows how quickly the regulator recovers from an
output load change from 10 mA to 100 mA. The offset due to
the load current change is less than 1 mV.
Monitored µP Power Supply
Figure 15 shows the ADP667 being used in a monitored µP
supply application. The ADP667 supplies +5 V for the micro-
processor. Monitoring the supply, the ADM705 will generate a
reset if the supply voltage falls below 4.65 V. Early warning of
an impending power fail is generated by a power fail comparator
on the ADM705. A resistive divider network samples the pre-
regulator input voltage so that failing power is detected while
the regulator is still operating normally. An interrupt is gener-
ated so that a power-down sequence can be completed before
power is completely lost. The low dropout voltage on the
ADP667 maximizes the available time to carry out the power-
down sequence. The resistor divider network R1 and R2 should
be selected so that the voltage on PFI is 1.25 V at the desired
warning voltage.
IN
OUT
GND SET SHDN
ADP667
10µF
+
+5V
ADM705
RESET
PFO
GND
PFI
UNREGULATED
DC
R1
R2
VCC
µP
RESET
INTERRUPT
VCC
Figure 15.
µ
P Regulator with Supply Monitoring and Early
Power-Fail Warning
ADP667
REV. 0
–8–
OUTLINE DIMENSIONS
Dimensions shown in inches and (mm).
8-Lead Plastic DIP
(N-8)
PIN 1 0.280 (7.11)
0.240 (6.10)
4
5
8
1
SEATING
PLANE
0.060 (1.52)
0.015 (0.38)
0.130
(3.30)
MIN
0.210
(5.33)
MAX
0.160 (4.06)
0.115 (2.93)
0.430 (10.92)
0.348 (8.84)
0.022 (0.558)
0.014 (0.356) 0.070 (1.77)
0.045 (1.15)
0.100
(2.54)
BSC
0.325 (8.25)
0.300 (7.62)
0.015 (0.381)
0.008 (0.204)
0.195 (4.95)
0.115 (2.93)
8-Lead Narrow-Body SOIC
(SO-8)
0.0098 (0.25)
0.0075 (0.19) 0.0500 (1.27)
0.0160 (0.41)
8°
0°
0.0196 (0.50)
0.0099 (0.25) x 45°
PIN 1
0.1574 (4.00)
0.1497 (3.80)
0.2440 (6.20)
0.2284 (5.80)
4
5
1
8
0.0192 (0.49)
0.0138 (0.35)
0.0500
(1.27)
BSC
0.0688 (1.75)
0.0532 (1.35)
0.0098 (0.25)
0.0040 (0.10)
0.1968 (5.00)
0.1890 (4.80)
C2015–18–4/95
PRINTED IN U.S.A.
