UC3842BD1 - onsemi

Manufacturer Part Number

UC3842BD1

Manufacturer

onsemi

Introduction

The UC3842BD1 is a high-performance PWM controller specifically designed for DC-DC power conversion applications.

Product Features and Performance

Highly efficient power management

Supports step-up and step-down voltage conversion

Isolation capable output configuration

Support for boost and flyback topologies

Single output with one output phase

Operates on a supply voltage between 10V and 30V

Switching frequencies up to 500kHz

Maximum duty cycle of 96%

Surface mount 8-SOIC package

Integrated frequency control feature

Product Advantages

High efficiency due to optimized PWM control

Flexible design suitable for a variety of power applications

Allows for simple circuit layout with minimal external components

Key Technical Parameters

Output Type: Transistor Driver

Function: Step-Up, Step-Up/Step-Down

Output Configuration: Positive, Isolation Capable

Topology: Boost, Flyback

Number of Outputs: 1

Output Phases: 1

Voltage - Supply (Vcc/Vdd): 10V ~ 30V

Frequency - Switching: Up to 500kHz

Duty Cycle (Max): 96%

Operating Temperature: 0°C ~ 70°C (TA)

Mounting Type: Surface Mount

Package / Case: 8-SOIC

Supplier Device Package: 8-SOIC

Quality and Safety Features

Built with onsemi's stringent quality standards

Thermal protection within the specified temperature range

Compatibility

Compatible with surface-mount technology equipment

Designed to work with a wide range of external components

Application Areas

Power supplies

DC-DC converters

Battery chargers

Portable devices

Telecommunication systems

Product Lifecycle

Obsolete - Check for replacement or upgrade options

Potential for limited stock availability

Several Key Reasons to Choose This Product

Highly integrated PWM circuit simplifies design

Flexible application range due to wide input voltage

Up to 96% duty cycle for high efficiency

Suitable for a range of power applications from telecom to portable devices

Recognized brand with a reputation for quality and reliability