UC3843ADTR - Microsemi Corporation

Manufacturer Part Number

UC3843ADTR

Manufacturer

Microsemi

Introduction

The UC3843ADTR is a versatile PWM controller IC designed for power management and DC-DC switching controllers. It is commonly used in applications requiring efficient power conversion and regulation.

Product Features and Performance

Supports multiple topologies: Boost, Buck, Flyback, Forward

Capable of positive output configuration with isolation capability

Single output with one output phase

Supports a wide voltage supply range: 7.6V to 30V

High switching frequency up to 500kHz

Maximum duty cycle of 96%

Does not support synchronous rectification

Frequency control for enhanced performance

Operates across a temperature range of 0°C to 70°C

Surface mount 14-SOIC packaging for compact installation

Product Advantages

Flexible for various power conversion applications

High switching frequency facilitates smaller passive components

Maximum duty cycle extends versatility in various applications

Wide voltage supply range increases compatibility with different power sources

Operating in a wide temperature range suitable for various environments

Key Technical Parameters

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

Frequency Switching: Up to 500kHz

Duty Cycle (Max): 96%

Operating Temperature: 0°C ~ 70°C

Package: 14-SOIC

Quality and Safety Features

Designed under Microsemi's standards for reliability and performance

Integrated frequency control for stable operation

Compatibility

Compatible with a wide range of circuits and applications due to its versatile features and wide input voltage range

Application Areas

Power supply modules

LED drivers

Battery chargers

Automotive power systems

Industrial power systems

Product Lifecycle

This product has been discontinued at Digi-Key, indicating that it may be nearing the end of its lifecycle. Customers should check for availability of replacements or upgrades.

Several Key Reasons to Choose This Product

High versatility and compatibility with various power conversion topologies

Supports high switching frequency for efficient operation

Wide operating temperature range makes it suitable for a range of applications

Manufactured by Microsemi, a reputable name in the semiconductor industry

Despite discontinuation at Digi-Key, its performance and features remain relevant for power management applications