UC3843BDR2 - onsemi

Manufacturer Part Number

UC3843BDR2

Manufacturer

onsemi

Introduction

The UC3843BDR2 is a high-performance, current-mode control integrated circuit designed for off-line and DC-DC switching power supplies. It features a wide supply voltage range, an internal reference, a high-gain error amplifier, and a precision oscillator, making it a versatile choice for various power conversion applications.

Product Features and Performance

Wide supply voltage range of 7.6V to 30V

Switching frequency up to 500kHz

Maximum duty cycle of 96%

Current-mode control for improved line and load regulation

Precision 5V internal reference

High-gain error amplifier for tight regulation

Thermal shutdown protection

Available in a space-saving 14-SOIC package

Product Advantages

Versatile design suitable for a wide range of power conversion applications

High-performance features provide excellent regulation and efficiency

Compact surface-mount package for efficient board layout

Key Reasons to Choose This Product

Reliable and efficient power conversion solution

Extensive feature set for flexible design implementation

Proven performance and reliability from a trusted manufacturer

Quality and Safety Features

Thermal shutdown protection for safe operation

Robust design for reliable performance

Compatibility

The UC3843BDR2 is compatible with a variety of power conversion applications, including:

Off-line and DC-DC switching power supplies

Battery chargers

Power factor correction (PFC) circuits

Isolated and non-isolated topologies

Application Areas

Industrial equipment

Consumer electronics

Telecommunications equipment

Automotive electronics

Product Lifecycle

The UC3843BDR2 is an obsolete product, meaning it is no longer in production. However, there are alternative models available that may offer similar or improved functionality. Customers are advised to contact our website's sales team for more information about available options and suitable replacement products.