UC3842BN - onsemi

Manufacturer Part Number

UC3842BN

Manufacturer

onsemi

Introduction

The UC3842BN is a high-performance fixed frequency current-mode controller designed for DC-DC switching controllers, primarily used in boost or flyback topologies.

Product Features and Performance

Supports Step-Up and Step-Up/Step-Down applications

Output Configuration allows for Positive output with Isolation Capability

Topology includes Boost and Flyback configurations

Single Output with one Output Phase

Operates at a frequency of up to 500kHz

Maximum Duty Cycle of 96%

Frequency Control feature

Product Advantages

Designed for versatility in multiple applications

High Duty Cycle enables efficient power transmission

Key Technical Parameters

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

Frequency - Switching: Up to 500kHz

Duty Cycle (Max): 96%

Operating Temperature: 0°C ~ 70°C

Quality and Safety Features

Robust operating temperature range from 0°C to 70°C

Compatibility

Mounting Type: Through Hole

Compatible with 8-DIP (0.300", 7.62mm) device package

Application Areas

Primarily used in power management systems requiring DC-DC conversion with boosting capabilities

Product Lifecycle

Status: Obsolete

Note: Check for potential replacements or upgrades due to obsolescence

Several Key Reasons to Choose This Product

High efficiency with up to 96% duty cycle

Flexible supply voltage ranging from 10V to 30V

Capable of handling applications requiring isolation

Broad functionality with Boost and Flyback topology options

Suitable for a wide range of operating temperatures from 0°C to 70°C