UC3843ANG4 - Texas Instruments

Manufacturer Part Number

UC3843ANG4

Manufacturer

Texas Instruments

Introduction

The UC3843ANG4 is a high-performance, fixed-frequency, current-mode PWM controller designed for off-line and DC-DC converter applications. It features a wide supply voltage range, precise on-time control, and low start-up current, making it suitable for a variety of power supply designs.

Product Features and Performance

Wide input voltage range: -0.3V to 6.3V

Wide supply voltage range: 7.6V to 30V

Low supply current: 11mA

Operating temperature range: 0°C to 70°C

Current-mode control for improved line and load regulation

Precise on-time control for tight output regulation

Internal soft-start function for controlled output voltage rise

Thermal shutdown protection

Product Advantages

Reliable and robust performance

Versatile design options for various power supply applications

Improved efficiency and regulation through current-mode control

Ease of use with integrated soft-start and protection features

Key Reasons to Choose This Product

Proven reliability and performance from a trusted manufacturer

Flexibility to adapt to diverse power supply design requirements

Enhanced system reliability and safety through integrated protection features

Cost-effective solution for a wide range of power management applications

Quality and Safety Features

Thermal shutdown protection

Robust design for reliable operation

Compatibility

The UC3843ANG4 is compatible with a variety of power supply designs, including off-line and DC-DC converters.

Application Areas

Offline power supplies

DC-DC converters

Industrial and commercial power supplies

Lighting applications

General power management solutions

Product Lifecycle

The UC3843ANG4 is a discontinued product at DiGi-Electronics. There are several alternative and equivalent models available from Texas Instruments, such as the UC3842, UC3843, UC3845, and UC3846 series. Customers are advised to contact our website's sales team for more information on available options and suitable replacements.