ULN2003ADR - 7-channel Darlington transistor array with 1:1 input-output ratio, 50V 500mA per channel, in SOIC-16-Hall Chip | Provides one-stop component matching and vertical integration manufacturing services

产品说明<

Manufacturer: Texas Instruments

Key Specifications

Package: SOIC-16
Channels: 7
Input-Output Ratio: 1:1
Output Voltage: 50V
Output Current per Channel: 500mA
Input Voltage: to be verified
Operating Temperature: to be verified
Interface: Parallel

The ULN2003ADR from Texas Instruments is a high-voltage, high-current Darlington transistor array. It integrates seven NPN Darlington pairs in a single SOIC-16 package, each capable of driving loads up to 50V and 500mA. The device features a 1:1 input-to-output ratio, making it suitable for direct interfacing with logic-level signals.

Key Features

Seven open-collector Darlington pairs with common emitter
Output voltage rating: 50V
Output current per channel: 500mA
Integral suppression diodes for inductive loads
Inputs compatible with standard logic levels
Compact SOIC-16 package for space-constrained designs

Applications

Relay drivers
Stepper motor drivers
Lamp drivers
Display drivers (LED)
Logic buffer

Selection Notes

When selecting the ULN2003ADR, consider the total power dissipation and ensure adequate thermal management for high-current applications. For higher current requirements, parallel channels can be used. Verify input voltage thresholds and operating temperature range from the official datasheet for your specific application.