ULN2003ANSR

Product Overview

The ULN2003ANSR belongs to the category of high-voltage, high-current Darlington transistor arrays. It is commonly used as a driver for relays, lamps, LEDs, displays, and other medium to high current or voltage devices. The ULN2003ANSR is known for its high-voltage and high-current capabilities, making it suitable for a wide range of applications. It is typically packaged in a 16-pin DIP (Dual Inline Package) and is available in various quantities per package.

Specifications

• Voltage Rating: Up to 50V
• Current Rating: Up to 500mA
• Number of Channels: 7
• Package Type: 16-pin DIP
• Operating Temperature Range: -20°C to 85°C

Detailed Pin Configuration

The ULN2003ANSR features a 16-pin DIP package with the following pin configuration: 1. Input for Channel 1 2. Output for Channel 1 3. Common (COM) for Channel 1 4. Input for Channel 2 5. Output for Channel 2 6. Common (COM) for Channel 2 7. Input for Channel 3 8. Output for Channel 3 9. Common (COM) for Channel 3 10. Input for Channel 4 11. Output for Channel 4 12. Common (COM) for Channel 4 13. Input for Channel 5 14. Output for Channel 5 15. Common (COM) for Channel 5 16. Common (COM) for Channel 6 and 7

Functional Features

• High-Voltage and High-Current Capability
• Built-in Clamp Diodes for Inductive Load Driving
• TTL/CMOS/PMOS/DTL Compatible Inputs

Advantages and Disadvantages

Advantages

• Excellent driving capability
• Integrated clamp diodes for inductive loads
• Compatibility with various logic levels

Disadvantages

• Higher power dissipation compared to some alternatives
• Limited to 500mA per channel

Working Principles

The ULN2003ANSR operates on the principle of using Darlington transistor pairs to amplify and switch high-current loads. When an input signal is applied, the corresponding output channel allows a higher current or voltage to flow through the load connected to it.

Detailed Application Field Plans

The ULN2003ANSR finds extensive use in various applications, including: - Relay Drivers - Stepper Motor Drivers - LED and Lamp Drivers - Display Drivers - Solenoid Drivers

Detailed and Complete Alternative Models

Some alternative models to the ULN2003ANSR include: - ULN2001A - ULN2002A - ULN2004A - ULN2005A

These alternatives offer similar functionality with varying channel counts and current ratings, providing flexibility for different application requirements.

In conclusion, the ULN2003ANSR is a versatile and reliable high-voltage, high-current Darlington transistor array that finds widespread use in driving various loads. Its integrated features and compatibility make it a popular choice for many electronic applications.

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