UC3842BNG - onsemi

Manufacturer Part Number

UC3842BNG

Manufacturer

onsemi

Introduction

The UC3842BNG is a high-performance DC-DC switching controller specifically designed for power management applications, optimized to drive various DC conversions including boost and flyback topologies.

Product Features and Performance

High frequency operation up to 500kHz

Supports boost and flyback topologies

Capable of step-up and step-up/step-down functions

Compatible with positive output configurations with isolation capability

Maximum duty cycle of 96%

Operates within a supply voltage range of 10V to 30V

Product Advantages

Efficient power conversion

Flexible design suitable for a variety of applications

Allows for compact circuit design due to high frequency operation

Key Technical Parameters

Topology: Boost, Flyback

Output Type: Transistor Driver

Number of Outputs: 1

Output Phases: 1

Voltage - Supply (Vcc/Vdd): 10V ~ 30V

Frequency - Switching: Up to 500kHz

Duty Cycle (Max): 96%

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

Quality and Safety Features

Designed to operate reliably within a standard industrial temperature range

Through-hole mounting promotes stable and secure PCB connections

Compatibility

This controller is designed for universal use in power management circuits, compatible with various voltage and current specifications within its defined parameter range.

Application Areas

Power supply units

Portable chargers

Consumer electronics power management

Industrial power systems

Product Lifecycle

The UC3842BNG is currently active and widely available, with onsemi committed to manufacturing and supporting the product.

Several Key Reasons to Choose This Product

High switching frequency allows for smaller peripheral components, reducing overall design size

High duty cycle enables efficient power management and delivery

Versatile application range, from consumer electronics to industrial systems

Robust manufacturer support and product longevity ensure reliability and availability

Simple through-hole package facilitates easier assembly and maintenance