ULN2003 Hi-Voltage/Current Darlington Transistor Array

ULN2003 Hi-Voltage/Current Darlington Transistor Array

The ULN2003 Darlington Transistor Array is an integrated circuit. It interfaces low-level logic with higher power peripheral loads. This array incorporates seven independent drivers. Each driver is rated for continuous load currents up to 500 mA. It facilitates the control of components such as relays, solenoids, and stepping motors. The ULN2003 features TTL, DTL, PMOS, or CMOS-compatible inputs. Its open-collector outputs include integral clamp diodes for transient protection. Outputs can be paralleled to increase current capability. This device provides control for electronic projects requiring higher current or voltage switching.

Specifications:

• Number of Drivers: 7
• Output Current (Continuous): 500 mA per driver
• Output Voltage (Max): 95 V
• Input Compatibility: TTL, DTL, PMOS, CMOS
• Output Type: Open-collector with integral clamp diodes
• Package Options: DIP, SOIC
• Device Type: Darlington Transistor Array
• Transient Protection: Yes

Key features and benefits:

• TTL, DTL, PMOS, or CMOS-Compatible Inputs
• Continuous Output Current up to 500 mA per driver
• Output Voltage capability up to 95 V
• Transient-Protected Outputs with integral clamp diodes
• Seven independent Darlington drivers
• Outputs can be paralleled for higher current loads
• Available in Dual In-Line Plastic (DIP) or Small-Outline IC (SOIC) packages

Applications:

• Driving Relays and Solenoids
• Controlling Stepping Motors
• Interfacing with Magnetic Print Hammers
• Multiplexed LED and Incandescent Displays
• Heater Control Circuits

Frequently Asked Questions:

Q: What is the maximum continuous current per output of the ULN2003?
A: Each output of the ULN2003 is rated for a continuous load current of 500 mA.

Q: Can the outputs of the ULN2003 be combined for higher current loads?
A: Yes, the open-collector outputs can be paralleled to increase the overall current capability.

Q: What types of logic inputs are compatible with the ULN2003?
A: The ULN2003 supports TTL, DTL, PMOS, and CMOS-compatible input logic levels.

Q: Does the ULN2003 provide protection against voltage transients?
A: Yes, the open-collector outputs include integral clamp diodes for transient protection.

Q: What package options are available for the ULN2003?
A: The ULN2003 is available in Dual In-Line Plastic (DIP) and Small-Outline IC (SOIC) packages.

Package Includes:

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