UC2842BNG - onsemi

Manufacturer Part Number

UC2842BNG

Manufacturer

onsemi

Introduction

The UC2842BNG is a high-performance fixed frequency current-mode controller used for DC-DC conversion.

Product Features and Performance

Fixed frequency current-mode operation

High duty cycle for extended range applications

Efficient transistor driver for greater power conversion

Capable of step-up, step-up/step-down topologies

Suitable for boost and flyback converter designs

Pin-compatible with a wide range of products

Product Advantages

Enhanced system reliability through built-in protection features

Precision voltage reference for accurate output control

Low startup and operating current enhances power efficiency

High switching frequency up to 500kHz allows for smaller components

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 (Vcc/Vdd): 10V ~ 30V

Frequency Switching: Up to 500kHz

Duty Cycle (Max): 96%

Synchronous Rectifier: No

Operating Temperature: -25°C ~ 85°C

Quality and Safety Features

Built-in overcurrent protection

Under-voltage lockout with hysteresis for safe operation

Thermal shutdown for over-temperature protection

Compatibility

Through-hole mounting compatible with standard PCBs

Compatible with various inductors and capacitors for tailored applications

Application Areas

Switched mode power supplies

DC/DC converters for personal computers and peripherals

Power supplies for industrial systems

Telecom power subsystems

Product Lifecycle

Product Status: Active

Longevity ensured with ongoing production

Replacements or upgrades may be available by consulting manufacturer's product guide

Several Key Reasons to Choose This Product

Proven track record of reliability and efficiency from onsemi

Broad operating voltage range suitable for a variety of power systems

High-frequency operation minimizes size of passive components

Extensive protection features safeguard against system failures

Industry-standard DIP package enables easy integration into existing designs

Suitable for a wide range of power applications due to flexible topologies and output configurations