UC2842BD1G - onsemi

Manufacturer Part Number

UC2842BD1G

Manufacturer

onsemi

Introduction

The UC2842BD1G is a high-performance, monolithic power supply control circuit designed for off-line and DC-DC converter applications. It is a member of the UC284x family of pulse-width modulation (PWM) controllers.

Product Features and Performance

Operates from 10V to 30V supply voltage

Up to 500kHz switching frequency

96% maximum duty cycle

Capable of boost, flyback, and step-up/step-down topologies

Frequency control for output regulation

Single-ended, transistor driver output

Internally-compensated error amplifier

Undervoltage lockout

Thermal shutdown protection

Product Advantages

Wide input voltage range

High-frequency operation

Flexible topology support

Integrated control features

Protection against fault conditions

Key Technical Parameters

Supply voltage range: 10V to 30V

Switching frequency: Up to 500kHz

Maximum duty cycle: 96%

Control topology: Boost, flyback, step-up/step-down

Control features: Frequency control

Number of outputs: 1

Output configuration: Positive, isolation capable

Quality and Safety Features

ROHS3 compliant

Thermal shutdown protection

Compatibility

Surface mount package (8-SOIC)

Suitable for a variety of off-line and DC-DC converter applications

Application Areas

Switch-mode power supplies

DC-DC converters

Isolated power supplies

Battery chargers

Industrial and consumer electronics

Product Lifecycle

The UC2842BD1G is an active product and is currently available. There are no plans for discontinuation, and replacement or upgrade options are available within the UC284x product family.

Key Reasons to Choose This Product

Wide input voltage range (10V to 30V)

High-frequency operation (up to 500kHz)

Flexible topology support (boost, flyback, step-up/step-down)

Integrated control features (frequency control)

Protection against fault conditions (thermal shutdown)

Surface mount package for ease of integration