ULN2003 Original SOIC-16 Darlington Transistor Array IC (ULN2003)
The ULN2003 is an original high voltage and high current Darlington transistor array IC designed for driving relays, stepper motors, lamps, solenoids, and other inductive loads from TTL or CMOS logic circuits. It integrates seven Darlington transistor pairs with common emitter outputs in a compact SOIC-16 package.
Key Features -
- Original Darlington transistor array IC
- Seven high current driver channels
- TTL and CMOS logic compatible inputs
- SOIC-16 surface mount package
- Integrated flyback diode protection
Specifications -
- IC type / Product type - Darlington Transistor Array IC
- Logic family / Component type - Driver Interface IC
- Package type - SOIC-16 SMD IC
- Supply voltage - Supports external load voltages up to approx 50V
- Input voltage - TTL and CMOS compatible logic input levels
- Output voltage - Open collector driver outputs
- Current rating - Approx 500mA output current per channel
- Frequency / propagation delay - Suitable for switching and driver applications
- Operating temperature - Approx -40°C to +85°C
- Additional important specifications - Seven Darlington driver channels, integrated suppression diodes, high voltage output capability, inductive load driving support, low input current requirement
Applications -
- Relay driver circuits
- Stepper motor control systems
- Solenoid and actuator drivers
- LED and lamp driver applications
- Industrial automation equipment
Pinout Configuration -
- Pin 1 - Driver input pin
- Pin 2 - Driver input pin
- Pin 3 - Driver output pin
- Additional pins - Additional driver inputs and outputs, common diode connection pin, ground connection
