UC3843BD1R2G - onsemi

Manufacturer Part Number

UC3843BD1R2G

Manufacturer

onsemi

Introduction

The UC3843BD1R2G is a high-performance DC DC switching controller designed for power management solutions, featured in a compact 8-SOIC package.

Product Features and Performance

Output Type: Transistor Driver

Functions: Step-Up, Step-up/Step-Down

Output Configuration: Positive, Isolation Capable

Topology: Boost, Flyback

Single Output

Single Output Phase

Operating Voltage Range: 7.6V to 30V

Switching Frequency: Up to 500kHz

Maximum Duty Cycle: 96%

Product Advantages

High efficiency due to Boost and Flyback topology

Versatile with both Step-Up and Step-Up/Step-Down functions

High maximum duty cycle supports demanding applications

Capability of isolation in output configuration aids in versatile usage

Key Technical Parameters

Voltage Supply (Vcc/Vdd): 7.6V ~ 30V

Switching Frequency: Up to 500kHz

Maximum Duty Cycle: 96%

Quality and Safety Features

Operational Temperature Range: 0°C to 70°C ensuring reliable performance under standard industrial temperature ranges

Compatibility

Surface Mount 8-SOIC Package ensures compatibility with standard SMT manufacturing processes

Application Areas

Suitable for various power conversion and management applications in consumer electronics, telecommunications, and industrial equipment.

Product Lifecycle

Product Status: Active

Not nearing discontinuation; standard availability with potential upgrades and replacements in the UC3843 series

Several Key Reasons to Choose This Product

High efficiency and flexibility in power management tasks

Suitable for both step-up and combined step-up/step-down applications

Supports isolated output configuration

Reliable performance with an extended duty cycle up to 96%

Stable operation over a wide supply voltage range (7.6V to 30V)

Easy integration into existing designs with SOIC-8 packaging