Texas Instruments ULN2003B
The ULN2003B device is a high-voltage, high-current Darlington transistor array. This device consists of seven NPN Darlington pairs that feature high-voltage outputs with common-cathode clamp diodes for switching inductive loads. The collector-current rating of a single Darlington pair is 500 mA.| Part No. | ULN2003B |
|---|---|
| Datasheet | ULN2003B Download |
| Manufacturer |  Texas Instruments |
| Description | High-Current Darlington Transistor Array |
| Buy | Stock & Price |
FEATURES
●1 Greater Than 4x Reduction in Output Leakage (ICEX) over ULN2003A● 500-mA Rated Collector Current (Single Output)
● High-Voltage Outputs 50 V
● Output Clamp Diodes
● Inputs Compatible With Various Types of Logic
● Relay-Driver
APPLICATIONS
2APPLICATIONS
● Relay Drivers● Lamp Drivers
● Display Drivers (LED and Gas Discharge)
● Line Drivers
● Logic Buffers 3
DESCRIPTION
The Darlington pairs can be paralleled for higher current capability. The ULN2003B has a 2.7-kΩ series base resistor for each Darlington pair for operation directly with TTL or CMOS devices. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) ULN2003BN PDIP (16) 19.30 mm × 6.35 mm ULN2003BD SOIC (16) 9.90 mm × 3.91 mm ULN2003BPW TSSOP (16) 5.00 mm × 4.40 mm (1) For all available packages, see the orderable addendum at the end of the datasheet. Simplified Schematic 1 1B 9 COM 16 1C 2 2B 15 2C 3 3B 14 3C 4 4B 13 4C 5 5B 12 5C 6 6B 11 6C 7 7B 10 7C Copyright © 2016, Texas Instruments Incorporated 1 An IMP...
