ULN2003 IC High-Current Darlington Transistor Arrays Drivers.

The ULN2003A devices are high-voltage, high-current Darlington transistor arrays. Each consists of seven NPN Darlington pairs that feature high-voltage outputs with common-cathode clamp diodes for switching inductive loads.

Applications:

•  Relay Drivers
•  Stepper and DC Brushed Motor Drivers
•  Lamp Drivers
•  Display Drivers (LED and Gas Discharge)
•  Line Drivers
•  Logic Buffers
• Inverter and UPS

Features:

•  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

Absolute Maximum Ratings:

• VCC Collector-emitter voltage 50 V
• Clamp diode reverse voltage(2) 50 V
• VI Input voltage(2) 30 V
• Peak collector current and 500 mA
• IOK Output clamp current 500 mA
• TJ Operating virtual junction temperature 150 °C