ULN2003 NPN Darlington Transistor Array SOP-16 is a high-voltage, high-current Darlington transistor array consisting of seven NPN Darlington pairs. Each pair can handle up to 500mA and is designed for interfacing TTL and CMOS logic to high-power loads such as relays, motors, and LED displays.
Key Features of ULN2003:
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- Seven Darlington Transistors: Provides seven high-current outputs.
- High Voltage Tolerance: Supports up to 50V output voltage.
- High Current Capacity: Each output can handle up to 500mA.
- TTL & CMOS Compatible: Directly interfaces with logic-level signals.
- Built-in Clamp Diodes: Provides flyback protection for inductive loads.
- Compact SOP-16 Package: Suitable for space-constrained applications.
Technical Specifications of ULN2003:
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- Number of Channels: 7
- Output Voltage: Up to 50V
- Output Current: 500mA per channel
- Input Voltage: TTL/CMOS compatible
- Base Current: 25mA per channel
- Built-in Protection: Freewheeling diodes for inductive loads
- Package: SOP-16
Schematic Diagram and Pinout of ULN2003:
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- Pinout:
- Pin 1-7 (IN1-IN7): Input pins for each Darlington transistor.
- Pin 8 (GND): Ground connection.
- Pin 9 (COM): Common freewheeling diode connection.
- Pin 10-16 (OUT7-OUT1): Output pins for each Darlington transistor.
- Schematic Diagram: Each transistor pair has a built-in flyback diode, making it ideal for driving inductive loads.
- Pinout:
Applications of ULN2003:
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- Relay Drivers: Controls multiple relays with logic-level signals.
- Stepper Motor Control: Used in motor driver circuits.
- LED Display Drivers: Controls large LED arrays.
- High-Current Switching: Used for driving solenoids and inductive loads.
Equivalent Models of ULN2003:
Datasheet:
Keywords for ULN2003:
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- ULN2003
- Darlington Transistor Array
- Relay Driver IC
- Stepper Motor Driver
- High-Current Switching
Package Includes:
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- 1 x ULN2003 NPN Darlington Transistor Array (SOP-16 Package)
Additional information
Weight | 0.2 g |
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