UC3843BDR2G - onsemi

Manufacturer Part Number

UC3843BDR2G

Manufacturer

onsemi

Introduction

The UC3843BDR2G is a highly integrated, high-performance switch-mode power controller for DC-DC conversion, optimized for power management and efficiency.

Product Features and Performance

Integrated transistor driver for efficient circuit operation

Supports Step-Up and Step-Up/Step-Down functions for design flexibility

Capable of positive output configuration with isolation

Supports Boost and Flyback topologies for various application needs

Single output with one phase for simplicity in design

Wide supply voltage range from 7.6V to 30V accommodating various input sources

High-frequency switching capability up to 500kHz allowing for smaller external components

Maximum 96% duty cycle for high efficiency power conversion

Lacks synchronous rectifier functionality to simplify the design

No clock sync feature, ensuring basic and streamlined operation

Frequency control for precise power management

Operates within the standard temperature range of 0°C to 70°C

Product Advantages

Enhanced power efficiency due to high duty cycle

Flexible utility across different topologies and applications

Compact surface mount form factor for easy PCB integration

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 Range: 7.6V ~ 30V

Switching Frequency: Up to 500kHz

Maximum Duty Cycle: 96%

Operating Temperature Range: 0°C ~ 70°C

Quality and Safety Features

Built to industry standards for power management controllers

Operational reliability within the standard temperature range

Robust surface mount package for secure soldering

Compatibility

Can be used with various inductors and capacitors to form complete power regulation solutions

Compatible with standard 14-SOIC mounting and equipment

Application Areas

Power supplies for consumer electronics

Telecommunications equipment

Portable devices

Industrial control systems

Product Lifecycle

Status: Active

Not nearing discontinuation and replacements or upgrades should be readily available

Several Key Reasons to Choose This Product

Energy-efficient power conversion with high-frequency switching

Robust and reliable for long-term use in diverse electronic applications

Flexible integration options accommodated by a variety of DC-DC converter topologies

High-duty cycle maximizes power output and system efficacy

Onsemi's reputation for quality and cutting-edge power management technology