Texas Instruments

UC2842AQD8R  

Power Supply Controllers, Monitors

The Texas Instruments UC2842AQD8R is a high-performance, fixed frequency, current mode, step-down switching regulator controller designed for use in a wide range of power supply applications. This device is offered in a compact QFN package, making it suitable for space-constrained applications.

Description:

The UC2842AQD8R is a monolithic integrated circuit that provides a complete solution for step-down switching regulators. It features a fixed switching frequency of 500 kHz, which helps to minimize the size of the external components and simplify the design. The device is designed to operate with an input voltage range of 4.75V to 38V, making it suitable for a wide range of applications.

Features:

1. Fixed 500 kHz switching frequency
2. Wide input voltage range (4.75V to 38V)
3. High efficiency (up to 95%) in typical applications
4. Internal soft-start and current limiting
5. Thermal shutdown protection
6. External compensation for stability with a wide range of output capacitors
7. Synchronous rectification for improved efficiency
8. Low quiescent current (<1.5mA)
9. Available in a compact QFN package

Applications:

The UC2842AQD8R is suitable for a wide range of power supply applications, including but not limited to:

1. General-purpose step-down converters
2. Power supplies for portable and battery-powered devices
3. LED lighting applications
4. Small form factor power adapters
5. Telecom and networking equipment
6. Industrial control systems
7. Automotive infotainment systems
8. Medical equipment
9. Consumer electronics

In summary, the Texas Instruments UC2842AQD8R is a versatile and efficient step-down switching regulator controller that offers a fixed switching frequency, a wide input voltage range, and various features to support a broad spectrum of power supply applications. Its compact QFN package makes it an ideal choice for space-constrained designs.

UC2842AQD8R Documents

Download datasheets and manufacturer documentation for UC2842AQD8R

PCN Assembly/Origin :

Mult Dev 30/Oct/2019      

Datasheets :

UC2845AQD      

HTML Datasheet :

UC2845AQD