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
INTEGRAL SUPPRESSION DIODES FOR IN-
DUCTIVE LOADS
OUTPUTS CAN BE PARALLELED FOR
HIGHER CURRENT
TTL/CMOS/PMOS/DTLCOMPATIBLE INPUTS
INPUTS PINNED OPPOSITE OUTPUTS TO
SIMPLIFYLAYOUT
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DIP16
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ORDERING NUMBERS: ULN2001A/2A/3A/4A
SO16
ORDERING NUMBERS: ULN2001D/2D/3D/4D
DESCRIPTION
The ULN2001A, ULN2002A, ULN2003 and
ULN2004Aarehighvoltage,highcurrentdarlington
arrays each containing seven open collector dar-
lingtonpairswith commonemitters.Eachchannelis
rated at 500mAand can withstandpeak currentsof
600mA.Suppressiondiodesare includedfor induc-
tive load driving and the inputsare pinnedopposite
the outputsto simplify board layout.
PIN CONNECTION
Thefourversionsinterfacetoallcommonlogicfami-
lies :
ULN2001A
General Purpose, DTL, TTL, PMOS,
CMOS
ULN2002A
ULN2003A
ULN2004A
14-25V PMOS
5V TTL, CMOS
6–15V CMOS, PMOS
Theseversatiledevicesareusefulfor drivinga wide
range of loads including solenoids, relays DC mo-
tors, LED displays filament lamps, thermal print-
headsand high power buffers.
The ULN2001A/2002A/2003Aand 2004Aare 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.
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December 1997