Darlington Driver 7 Channel Array MSKSEMI ULN2003 for Relay Stepper Motor and Inductive Load Driving

Key Attributes
Model Number: ULN2003
Product Custom Attributes
Current - Collector(Ic):
500mA
Collector - Emitter Voltage VCEO:
50V
Mfr. Part #:
ULN2003
Package:
SOP-16
Product Description

Product Overview

The ULN2003 is a monolithic integrated high-voltage, high-current Darlington array featuring 7 independent Darlington driver channels. Each channel includes a clamp diode for inductive load suppression, making it suitable for driving relays, stepper motors, and other inductive loads. By paralleling Darlingtons, higher output current capability can be achieved. The circuit is widely applicable in relay driving, lighting driving, display driving (LED), stepper motor driving, and as logic buffers. Each Darlington channel has a 2.7K base resistor, allowing direct connection to TTL/CMOS circuits with a 5V operating voltage.

Product Attributes

  • Brand: Msksemi
  • Origin: China (implied by website domain and language)

Technical Specifications

SymbolParameterTest ConditionMinTypMaxUnit
VINInput Voltage030V
VCEOutput Voltage50V
ICCollector CurrentIOUT = 350mA, IIN=500A500mA
IBBase Current25mA
TAOperating Temperature-4085
TSStorage Temperature-65150
TWSoldering Temperature260 (10s)
ICEXOutput High Leakage CurrentVCE = 50V, TA=25150A
ICEXOutput High Leakage CurrentVCE = 50V, TA=850100A
VCE(SAT)Output Low VoltageIOUT = 350mA, IIN=500A1.6V
VCE(SAT)Output Low VoltageIOUT = 200mA, IIN=350A0.91.3V
VCE(SAT)Output Low VoltageIOUT = 100mA, IIN=250A0.81.1V
IIN(ON)Input CurrentVIN=3.85V, IOUT =350mA0.71.35mA
IIN(OFF)Input CurrentIOUT = 500A, TA=8545063A
VIN(ON)Input VoltageVCE = 2V, IOUT = 200mA1.82.4V
VIN(ON)Input VoltageVCE = 2V, IOUT = 250mA1.852.7V
VIN(ON)Input VoltageVCE = 2V, IOUT = 300mA1.93.0V
IRClamp Diode Reverse Leakage CurrentVR=50V, TA=25050A
IRClamp Diode Reverse Leakage CurrentVR=50V, TA=850100A
VFClamp Diode Forward VoltageIF=350mA, TA=251.72.0V
tONTurn-on Delay TimeVOUT=50V, RL=125, CL=15pF0.11s
tOFFTurn-off Delay TimeVOUT=50V, RL=125, CL=15pF0.21s

Package Data

P/NPKGQTY
ULN2003SOP-164000
ULN2003DIP-161000

2403041435_MSKSEMI-ULN2003_C5252903.pdf

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