ULN2003CH Darlington Transistor Array Driver IC (ULN2003CH DIP IC)
The ULN2003CH Darlington Transistor Array Driver IC is a high-voltage high-current driver IC designed to interface low-level logic signals with high-power loads. It contains seven Darlington transistor pairs with common emitters and integrated flyback diodes for protection against inductive loads. The DIP package allows easy through-hole mounting and reliable use in control and automation circuits.
The ULN2003CH IC is widely used in India for driving relays, stepper motors, solenoids, LED arrays, and various industrial loads. It is valued for its high current capability, logic compatibility, and robust switching performance in embedded and automation systems.
Key Features
- 7 Channel Darlington Array: Seven high-gain transistor pairs in one IC.
- High Current Capability: Suitable for driving relays motors and solenoids.
- High Voltage Support: Handles higher voltage outputs for industrial applications.
- Built-in Flyback Diodes: Protects circuits from inductive voltage spikes.
- TTL CMOS Compatible: Easy interface with microcontrollers and logic ICs.
- DIP Package: Supports simple installation and servicing.
Specifications
- IC Type: Darlington Transistor Array Driver IC
- Number of Channels: 7 Channels
- Output Current: High current sink capability per channel
- Output Voltage: Suitable for high voltage switching
- Input Compatibility: TTL CMOS compatible
- Package Type: DIP Through-Hole IC
- Mounting Type: Through-Hole Mounting
- Applications: Relay driver stepper motor driver LED driver solenoid control industrial automation
Pinout Configuration (DIP IC Layout)
- Input pins for each channel
- Output pins for load connections
- Common emitter ground pin
- Common diode suppression pin
- Refer to datasheet or circuit diagram for exact pin details
