ULN2803 View Datasheet(PDF) - Allegro MicroSystems

Part Name

Description

Manufacturer

ULN2803

High Voltage High Current Darlington Arrays

Allegro MicroSystems 

2803 THRU 2824

HIGH-VOLTAGE,

HIGH-CURRENT

DARLINGTON ARRAYS

PARTIAL SCHEMATICS

ULx28x3A/LW (Each Driver)

2.7 K

7.2 K

3K

Dwg. FP-052-2

ULx28x4A/LW (Each Driver)

10.5 K

7.2 K

3K

Dwg. FP-052-3

DEVICE PART NUMBER DESIGNATION

VCE(MAX)

IC(MAX)

Logic

50 V

95 V

500 mA

500 mA

Part Number

5V

TTL, CMOS

ULN2803A*

ULN2803LW*

ULN2823A*

ULN2823LW

6-15 V

CMOS, PMOS

ULN2804A*

ULN2804LW*

ULN2824A*

ULN2824LW

*Also available for operation between -40°C and +85°C. To order, change

prefix from ‘ULN’ to ‘ULQ’.

The ULx2804, ULx2823, & ULx2824 are discontinued.

Shown for reference only.

2.5

2.0

SUFFIX 'A', R θJA = 60°C/W

1.5

1.0

SUFFIX 'LW', R = 80°C/W

θJA

0.5

0

25

50

75

100

125

150

AMBIENT TEMPERATURE IN °C

Dwg. GP-018B

x = Character to identify specific device. Specification shown applies to

family of devices with remaining digits as shown. See matrix above.

115 Northeast Cutoff, Box 15036

2

Worcester, Massachusetts 01615-0036 (508) 853-5000

Copyright © 1977, 2001 Allegro MicroSystems, Inc.

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