UC3845B - UMW

Manufacturer Part Number

UC3845B

Manufacturer

utd-semiconductor

Introduction

The UC3845B is a high-performance, current-mode PWM (Pulse-Width Modulation) controller designed for use in a variety of power conversion applications. It offers a comprehensive set of features that make it suitable for boost, flyback, and other switch-mode power supply topologies.

Product Features and Performance

Operates from a wide input voltage range of 7.6V to 30V

Switching frequency up to 500kHz

50% maximum duty cycle

Integrated frequency control and soft-start capabilities

Operates across a temperature range of 0°C to 70°C

Product Advantages

Excellent line and load regulation

Fast transient response

Robust overcurrent protection

Versatile control features for flexible power supply design

Key Reasons to Choose the UC3845B

Proven performance in a wide range of power conversion applications

Comprehensive feature set for efficient and reliable power supply design

Cost-effective solution for industrial, consumer, and automotive applications

Trusted utd-semiconductor quality and reliability

Quality and Safety Features

Designed and manufactured to utd-semiconductor's high-quality standards

Robust overcurrent protection for safe operation

Compliance with relevant industry standards

Compatibility

The UC3845B is a direct replacement for the popular UC3845 controller, offering improved performance and features.

Application Areas

Boost converters

Flyback converters

Other switch-mode power supply topologies

Product Lifecycle

The UC3845B is an active product in the utd-semiconductor portfolio. There are no known plans for discontinuation at this time. Customers are advised to contact our website's sales team for the latest product information and availability.