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ULN2002AN
High-Voltage, High-Current Darlington Transistor Arrays
Applications Relay Drivers Stepper and DC Brushed Motor Drivers Lamp Drivers Display Drivers (LED and Gas Discharge) Line Drivers Logic Buffers
DescriptionThe ULx200xA devices are high-voltage,
Darlington transistor arrays. Each
NPN Darlington pairs that
outputs with common-cathode
switching inductive loads.
The collector-current ratingofa 500 mA. The Darlington pairs
higher current capability. Applications
drivers, hammer drivers, lamp drivers,
(LED and gas discharge), line
buffers. For 100-V (otherwise
versionsof the ULx2003A devices,
data sheet for the SN75468 and
The ULN2002A deviceis designed specificallyfor use
with 14-Vto 25-V PMOS devices. Each inputof this
device hasa Zener diode and resistorin seriesto
control the input current toa safe limit. The
ULx2003A devices havea 2.7-kΩ series base resistor
for each Darlington pair for operation directly with
TTLor 5-V CMOS devices.
Device Information(1)
