®
ULN2001A-ULN2002A
ULN2003A-ULN2004A
SEVEN DARLINGTON ARRAYS
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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
DIP16
ORDERING NUMBERS:
ULN2001A/2A/3A/4A
SO16
DESCRIPTION
The ULN2001A, ULN2002A, ULN2003 and
ULN2004A are high voltage, high current darlington
arrays each containing seven open collector dar-
lington pairs with common emitters. Each channel
rated at 500mA and can withstand peak currents of
600mA. Suppression diodes are included for induc-
tive load driving and the inputs are pinned opposite
the outputs to simplify board layout.
The four versions interface to all common logic fami-
lies :
ULN2001A
ULN2002A
ULN2003A
ULN2004A
General Purpose, DTL, TTL, PMOS,
CMOS
14-25V PMOS
5V TTL, CMOS
6–15V CMOS, PMOS
ORDERING NUMBERS:
ULN2001D/2D/3D/4D
PIN CONNECTION
These versatile devices are useful for driving a wide
range of loads including solenoids, relays DC mo-
tors, LED displays filament lamps, thermal print-
heads and high power buffers.
The ULN2001A/2002A/2003A and 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.
February 2002
1/8
ULN2001A - ULN2002A - ULN2003A - ULN2004A
SCHEMATIC DIAGRAM
Series ULN-2001A
(each driver)
Series ULN-2002A
(each driver)
Series ULN-2003A
(each driver)
Series ULN-2004A
(each driver)
ABSOLUTE MAXIMUM RATINGS
Symbol
V
o
V
in
I
c
I
b
T
amb
T
stg
T
j
Output Voltage
Input Voltage (for ULN2002A/D - 2003A/D - 2004A/D)
Continuous Collector Current
Continuous Base Current
Operating Ambient Temperature Range
Storage Temperature Range
Junction Temperature
Parameter
Value
50
30
500
25
– 20 to 85
– 55 to 150
150
Unit
V
V
mA
mA
°C
°C
°C
THERMAL DATA
Symbol
R
th j-amb
Parameter
Thermal Resistance Junction-ambient
Max.
DIP16
70
SO16
120
Unit
°C/W
2/8
ULN2001A - ULN2002A - ULN2003A - ULN2004A
ELECTRICAL CHARACTERISTICS
(T
amb
= 25
o
C unless otherwise specified)
Symbol
I
CEX
Parameter
Output Leakage Current
Test Conditions
V
CE
= 50V
T
amb
= 70°C, V
CE
= 50V
T
amb
= 70°C
for ULN2002A
V
CE
= 50V, V
i
= 6V
for ULN2004A
V
CE
= 50V, V
i
= 1V
V
CE(sat)
Collector-emitter Saturation
Voltage
Input Current
I
C
= 100mA, I
B
= 250µA
I
C
= 200 mA, I
B
= 350µA
I
C
= 350mA, I
B
= 500µA
for ULN2002A, V
i
= 17V
for ULN2003A, V
i
= 3.85V
for ULN2004A, V
i
= 5V
V
i
= 12V
T
amb
= 70°C, I
C
= 500µA
V
CE
= 2V
for ULN2002A
I
C
= 300mA
for ULN2003A
I
C
= 200mA
I
C
= 250mA
I
C
= 300mA
for ULN2004A
I
C
= 125mA
I
C
= 200mA
I
C
= 275mA
I
C
= 350mA
for ULN2001A
V
CE
= 2V, I
C
= 350mA
0.5 V
i
to 0.5 V
o
0.5 V
i
to 0.5 V
o
V
R
= 50V
T
amb
= 70°C, V
R
= 50V
I
F
= 350mA
1.7
1000
15
0.25
0.25
25
1
1
50
100
2
pF
µs
µs
µA
µA
V
6
6
7
50
0.9
1.1
1.3
0.82
0.93
0.35
1
65
Min.
Typ.
Max.
50
100
Unit
µA
µA
Fig.
1a
1a
500
500
1.1
1.3
1.6
1.25
1.35
0.5
1.45
µA
µA
V
V
V
mA
mA
mA
mA
µA
V
1b
1b
2
2
2
3
3
3
3
4
5
I
i(on)
I
i(off)
V
i(on)
Input Current
Input Voltage
13
2.4
2.7
3
5
6
7
8
2
h
FE
C
i
t
PLH
t
PHL
I
R
V
F
DC Forward Current Gain
Input Capacitance
Turn-on Delay Time
Turn-off Delay Time
Clamp Diode Leakage Current
Clamp Diode Forward Voltage
3/8
ULN2001A - ULN2002A - ULN2003A - ULN2004A
Figure 8:
Collector Current versus Input Current
Figure 9:
Collector Current versus Saturation
Voltage
Ic
(mA)
500
Tj=25˚C
400
Max
300
200
TYPICAL
100
0
D96IN454
Ic
(mA)
Tj=25˚C
500
D96IN453
400
Max
300
200
TYPICAL
100
0
0.0
0.5
1.0
1.5
Vce(sat)
0
100
200
300
400
500
Ib(µA)
Figure 10:
Peak Collector Current versus Duty
Cycle
Ic peak
(mA)
500
400
300
200
100
0
0
20
40
60
80
DC
7 6 5
4
3
2
D96IN451
Figure 11:
Peak Collector Current versus Duty
Cycle
Ic peak
(mA)
500
400
300
2
3
D96IN452A
NUMBER OF ACTIVE OUTPUT
Tamb=70˚C
(SO16)
Tamb=70˚C
(DIP16)
200
7
5
100
NUMBER OF ACTIVE OUTPUT
0
0
20
40
60
80
100
DC
5/8
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