ULN2004 Hi-Voltage/Current Darlington Transistor Array

ULN2004 Hi-Voltage/Current 7-Channel Darlington Transistor Array

The ULN2004 is a high-voltage, high-current Darlington transistor array. It incorporates seven NPN Darlington pairs. Each pair is rated for a continuous sink current of 500mA. The device supports an output voltage up to 95V. Inputs are compatible with both TTL and CMOS logic levels. Each output includes transient protection for inductive loads. This array facilitates interfacing low-level logic circuits with higher power peripheral loads. It is suitable for driving relays, stepper motors, LED displays, and incandescent lamps.

Specifications:

• Number of Drivers: 7
• Output Current (Continuous): 500mA per driver
• Peak Output Current: 600mA (non-repetitive)
• Output Voltage (Max): 95V
• Input Logic Compatibility: TTL, CMOS
• Input Type: Darlington
• Output Type: Open Collector
• Integral Diodes: Yes (for inductive loads)
• Package Type: DIP-16
• Operating Temperature Range: -20°C to +85°C

Key features and benefits:

• Seven NPN Darlington pairs for switching applications
• Continuous output current up to 500mA per driver
• Output voltage capability up to 95V
• Direct compatibility with TTL and CMOS logic inputs
• Integrated transient protected outputs for inductive loads
• Interfaces low-level logic with power loads
• High gain operation

Applications:

• Driving relays, solenoids, and other inductive loads
• Stepper motor and DC motor control
• LED displays and incandescent lamp drivers
• Industrial control systems and automation
• Logic-to-power interface in various circuits

Frequently Asked Questions:

Q: What is the maximum continuous output current per channel for the ULN2004?
A: The ULN2004 provides a continuous output current of 500mA per driver.

Q: What logic levels are compatible with the ULN2004 inputs?
A: The ULN2004 inputs are compatible with both TTL and CMOS logic levels.

Q: Does the ULN2004 include protection for inductive loads?
A: Yes, each output of the ULN2004 features integrated transient protection diodes for inductive loads.

Package Includes:

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