ULN2003A-ULN2004A
ULN2001A-ULN2002A
September 1998
SEVEN DARLINGTON ARRAYS
.SEVEN DARLINGTONS PER PACKAGE
.OUTPUT CURRENT 500mA PER DRIVER
(600mA PEAK)
.OUTPUT VOLTAGE 50V
. INTEGRATED SUPPRESSION DIODES FOR
INDUCTIVE LOADS
.OUTPUTS CAN BE PARALLELED FOR
HIGHER CURRENT
.TTL/CMOS/PMOS/DTL COMPATIBLE INPUTS
. INPUTS PINNED OPPOSITE OUTPUTS TO
SIMPLIFY LAYOUT
DESCRIPTION
The ULN2001A, ULN2002A, ULN2003 and
ULN2004Aare high voltage,high current darlington
arrays each containing seven open collector dar-
lington pairs with common emitters. Each channel
rated at 500mA and can withstandpeak currents of
600mA.Suppressiondiodesare included for induc-
tive load driving and the inputs are pinned opposite
the outputs to simplify board layout.
Thefourversionsinterfacetoall common logic fami-
lies :
ULN2001A General Purpose, DTL, TTL, PMOS,
CMOS
ULN2002A 14-25V PMOS
ULN2003A 5V TTL, CMOS
ULN2004A 6–15V CMOS, PMOS
Theseversatile devicesare useful for driving a wide
range of loads including solenoids, relays DC mo-
tors, LED displays filament lamps, thermal print-
headsand high power buffers.
The ULN2001A/2002A/2003Aand 2004A are sup-
plied in 16 pin plastic DIP packages with a copper
leadframe to reduce thermal resistance. They are
available also in small outline package (SO-16) as
ULN2001D/2002D/2003D/2004D.
DIP16
ORDERING NUMBERS: ULN2001A/2A/3A/4A
SO16
ORDERING NUMBERS: ULN2001D/2D/3D/4D
PIN CONNECTION
1/8
SCHEMATIC DIAGRAM
Series ULN-2001A
(each driver)
Series ULN-2002A
(each driver)
Series ULN-2003A
(each driver)
Series ULN-2004A
(each driver)
THERMAL DATA
Symbol Parameter DIP16 SO16 Unit
Rth j-amb Thermal Resistance Junction-ambient Max. 70 100 °C/W
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
Vo Output Voltage 50 V
Vin Input Voltage (for ULN2002A/D - 2003A/D - 2004A/D) 30 V
Ic Continuous Collector Current 500 mA
Ib Continuous Base Current 25 mA
Tamb Operating Ambient Temperature Range – 20 to 85 °C
Tstg Storage Temperature Range – 55 to 150 °C
Tj Junction Temperature 150 °C
ULN2001A - ULN2002A - ULN2003A - ULN2004A
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ELECTRICAL CHARACTERISTICS (Tamb = 25oC unless otherwise specified)
Symbol Parameter Test Conditions Min. Typ. Max. Unit Fig.
ICEX Output Leakage Current VCE = 50V
Tamb = 70°C, VCE = 50V
Tamb = 70°C
for ULN2002A
VCE = 50V, Vi = 6V
for ULN2004A
VCE = 50V, Vi = 1V
50
100
500
500
µA
µA
µA
µA
1a
1a
1b
1b
VCE(sat) Collector-emitter Saturation
Voltage
IC = 100mA, IB = 250µA
IC = 200 mA, IB = 350µA
IC = 350mA, IB = 500µA
0.9
1.1
1.3
1.1
1.3
1.6
V
V
V
2
2
2
Ii(on) Input Current for ULN2002A, Vi = 17V
for ULN2003A, Vi = 3.85V
for ULN2004A, Vi = 5V
Vi = 12V
0.82
0.93
0.35
1
1.25
1.35
0.5
1.45
mA
mA
mA
mA
3
3
3
3
Ii(off) Input Current Tamb = 70°C, IC = 500µA 50 65 µA 4
Vi(on) Input Voltage VCE = 2V
for ULN2002A
IC = 300mA
for ULN2003A
IC = 200mA
IC = 250mA
IC = 300mA
for ULN2004A
IC = 125mA
IC = 200mA
IC = 275mA
IC = 350mA
13
2.4
2.7
3
5
6
7
8
V 5
hFE DC Forward Current Gain for ULN2001A
VCE = 2V, IC = 350mA 1000 2
Ci Input Capacitance 15 25 pF
tPLH Turn-on Delay Time 0.5 Vi to 0.5 Vo 0.25 1 µs
tPHL Turn-off Delay Time 0.5 Vi to 0.5 Vo 0.25 1 µs
IR Clamp Diode Leakage Current VR = 50V
Tamb = 70°C, VR = 50V
50
100
µA
µA
6
6
VF Clamp Diode Forward Voltage IF = 350mA 1.7 2 V 7
ULN2001A - ULN2002A - ULN2003A - ULN2004A
3/8
TEST CIRCUITS
Figure 1a. Figure 1b.
Figure 2. Figure 3.
Figure 4. Figure 5.
Figure 6. Figure 7.
ULN2001A - ULN2002A - ULN2003A - ULN2004A
4/8
0 100 200 300 400 500 Ib(µA)0
100
200
300
400
500
Ic
(mA)
Tj=25°C
D96IN453
TYPICAL
Max
Figure 8: Collector Current versus Input Current
0.0 0.5 1.0 1.5 Vce(sat)
0
100
200
300
400
500
Ic
(mA)
Tj=25°C
D96IN454
Max
TYPICAL
Figure 9: Collector Current versus Saturation
Voltage
0 20 40 60 80 DC
0
100
200
300
400
500
Ic peak
(mA)
Tamb=70°C
(DIP16)
7 6 5 4 3 2
NUMBER OF ACTIVE OUTPUT
D96IN451
Figure 10: Peak Collector Current versus Duty
Cycle
0 20 40 60 80 100 DC
0
100
200
300
400
500
Ic peak
(mA)
D96IN452A
7
5
3
2
NUMBER OF ACTIVE OUTPUT
Tamb=70°C
(SO16)
Figure 11: Peak Collector Current versus Duty
Cycle
ULN2001A - ULN2002A - ULN2003A - ULN2004A
5/8
DIP16 PACKAGE MECHANICAL DATA
DIM.
mm inch
MIN. TYP. MAX. MIN. TYP. MAX.
a1 0.51 0.020
B 0.77 1.65 0.030 0.065
b 0.5 0.020
b1 0.25 0.010
D 20 0.787
E 8.5 0.335
e 2.54 0.100
e3 17.78 0.700
F 7.1 0.280
I 5.1 0.201
L 3.3 0.130
Z 1.27 0.050
ULN2001A - ULN2002A - ULN2003A - ULN2004A
6/8
SO16 PACKAGE MECHANICAL DATA
DIM.
mm inch
MIN. TYP. MAX. MIN. TYP. MAX.
A 1.75 0.069
a1 0.1 0.25 0.004 0.009
a2 1.6 0.063
b 0.35 0.46 0.014 0.018
b1 0.19 0.25 0.007 0.010
C 0.5 0.020
c1 45 (typ.)
D 9.8 10 0.386 0.394
E 5.8 6.2 0.228 0.244
e 1.27 0.050
e3 8.89 0.350
F 3.8 4.0 0.150 0.157
L 0.4 1.27 0.016 0.050
M 0.62 0.024
S 8 (max.)
ULN2001A - ULN2002A - ULN2003A - ULN2004A
7/8
Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the conse-
quences of use of such information nor for any infringement 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 STMicroelectronics. Specification mentioned in this
publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMi-
croelectronics products are not authorized for use as critical components in life support devices or systems without express written
approval of STMicroelectronics.
The ST logo is a registered trademark of STMicroelectronics
1998 STMicroelectronics – Printed in Italy – All Rights Reserved
STMicroelectronics GROUP OF COMPANIES
Australia - Brazil - Canada - China - France - Germany - Italy - Japan - Korea - Malaysia - Malta - Mexico - Morocco - The Netherlands -
Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A.
ULN2001A - ULN2002A - ULN2003A - ULN2004A
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