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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