UC3844BD1013TR - STMicroelectronics

Manufacturer Part Number

UC3844BD1013TR

Manufacturer

STMicroelectronics

Introduction

High-performance, voltage-mode PWM controllers optimized for off-line and DC-DC converter applications.

Product Features and Performance

Operates over a wide input voltage range of 10V to 30V

Up to 500kHz switching frequency

Supports boost, flyback, and step-up/step-down topologies

1 output phase

Positive output configuration with isolation capability

No synchronous rectifier

Frequency control

48% maximum duty cycle

Product Advantages

Optimized for off-line and DC-DC converter applications

Wide input voltage range

High switching frequency up to 500kHz

Support for multiple power converter topologies

Single output phase

Key Technical Parameters

Input Voltage Range: 10V ~ 30V

Switching Frequency: Up to 500kHz

Output Configuration: Positive, Isolation Capable

Synchronous Rectifier: No

Topology: Boost, Flyback

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

Control Features: Frequency Control

Clock Sync: No

Duty Cycle (Max): 48%

Output Phases: 1

Quality and Safety Features

Compliant with RoHS3 requirements

Compatibility

Surface mount package (8-SOIC)

Application Areas

Off-line power supplies

DC-DC converters

Product Lifecycle

The UC3844BD1013TR is an active product from STMicroelectronics. There are no plans for discontinuation or product replacements at this time.

Key Reasons to Choose This Product

Wide input voltage range of 10V to 30V

High switching frequency up to 500kHz

Support for multiple power converter topologies (boost, flyback, step-up/step-down)

Single output phase for simplified design

Frequency control for flexible control capabilities

RoHS3 compliant for use in a wide range of applications