UC2843BNG - onsemi

Manufacturer Part Number

UC2843BNG

Manufacturer

onsemi

Introduction

The UC2843BNG is a high-performance PWM controller designed for DC-DC power conversions.

Product Features and Performance

Step-Up, Step-Up/Step-Down functions

Positive, isolation-capable output configuration

Boost and Flyback topologies

Single output with one-phase operation

Frequency control for precise operation

Up to 500kHz switching frequency

High duty cycle up to 96%

Product Advantages

Versatile use in various power supply designs

Efficient power conversion for step-up or step-down applications

Isolation capability for safety and noise reduction in power supplies

High-frequency operation for smaller passive components

Key Technical Parameters

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

Operating temperature range from -25°C to 85°C

Through hole mounting for easy PCB design and implementation

8-DIP package for standardized integration

Quality and Safety Features

Robust design suitable for a wide temperature range

Isolation capability for enhanced protection

Compatibility

Suited for various power management applications due to its versatility

Application Areas

Suitable for power supply units in electronics

Ideal for boost or flyback converters in industrial systems

Product Lifecycle

Active product status indicates current availability

No indication that it is nearing discontinuation

Possible replacements or upgrades may exist, depending on the application requirements

Several Key Reasons to Choose This Product

Optimized for high-efficiency power conversion

Flexible power supply design for multiple application uses

Reliable performance across a broad temperature range

Ease of integration with standard DIP package

Well-suited for applications requiring isolation and high switching frequencies