UC3843ADR2 - onsemi

Manufacturer Part Number

UC3843ADR2

Manufacturer

onsemi

Introduction

The UC3843ADR2 is a versatile switching controller designed specifically for DC-DC conversion applications with high efficiency and adaptability.

Product Features and Performance

Supports step-up, step-up/step-down conversion

Isolation capable output configuration

Operates with a boost and flyback topology

Can drive a transistor output

Features frequency control for enhanced performance

Supports a high switching frequency of up to 500kHz

Maximum duty cycle up to 96%

Product Advantages

High flexibility in output voltage options

Suitable for various power conversion applications

Efficient control features simplify system design

Key Technical Parameters

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

Output Type: Transistor Driver

Topology: Boost, Flyback

Number of Outputs: 1

Output Phases: 1

Frequency Switching: Up to 500kHz

Duty Cycle (Max): 96%

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

Quality and Safety Features

Built to operate reliably within specified temperature ranges 0°C ~ 70°C

Compatibility

Surface Mount 14-SOIC package for integration into various board layouts

Application Areas

Power supply modules

Battery-operated devices

Renewable energy systems

Portable electronic devices

Product Lifecycle

Obsolete status, check for available replacements or upgrades

Several Key Reasons to Choose This Product

Flexible and operable across a wide range of input voltages (7.6V to 30V)

High maximum duty cycle (96%) for efficient power conversion

Capable of handling high switching frequencies (up to 500kHz) for faster response times

Robust temperature operating range, ensuring reliability in varying environments