UC3845BVDG - onsemi

Manufacturer Part Number

UC3845BVDG

Manufacturer

onsemi

Introduction

The UC3845BVDG is a high-performance, fixed-frequency, current-mode PWM power supply controller designed for off-line and DC-DC converter applications. It features a wide operating voltage range, high switching frequency, and accurate current-mode control to provide superior line and load regulation.

Product Features and Performance

Wide input voltage range of 7.6V to 30V

Fixed switching frequency up to 500kHz

48% maximum duty cycle

Accurate current-mode control

Integrated error amplifier and reference

Internal compensation for easy design

Cycle-by-cycle current limiting

Thermal shutdown protection

Product Advantages

Excellent line and load regulation

High efficiency and reliability

Easy to design and implement

Robust protection features

Key Reasons to Choose This Product

Proven performance in a wide range of power supply applications

Reliable and cost-effective solution

Supports high-frequency switching for compact designs

Comprehensive protection features ensure safe and reliable operation

Quality and Safety Features

Thermally enhanced SOIC package

Robust overcurrent and thermal protection

Designed and manufactured to high quality standards

Compatibility

The UC3845BVDG is compatible with a variety of power supply topologies, including boost, flyback, and other DC-DC converter designs.

Application Areas

Off-line power supplies

DC-DC converters

Battery chargers

Industrial and automotive power systems

Product Lifecycle

The UC3845BVDG is an obsolete product, meaning it is no longer in active production. However, there are several alternative and equivalent models available from onsemi, such as the UC3843, UC3844, and UC3846 series. Customers are advised to contact our website's sales team for more information on available options and product recommendations.