UC1843L - Texas Instruments

Manufacturer Part Number

UC1843L

Manufacturer

Texas Instruments

Introduction

The UC1843L is a high-performance, fixed-frequency, current-mode PWM controller designed for use in a variety of power supply topologies. It features a wide input voltage range, low supply current, and comprehensive protection features, making it suitable for a wide range of power conversion applications.

Product Features and Performance

Wide input voltage range: -0.3V to 6.3V

Operates from 12V to 28V supply voltage

Low supply current: 11mA

Current-mode control for improved line and load regulation

Fixed-frequency operation with adjustable frequency from 100kHz to 500kHz

Comprehensive protection features including overcurrent, overvoltage, and thermal shutdown

Optimized for use in flyback, forward, and push-pull topologies

Product Advantages

Excellent line and load regulation

Robust protection features for reliable operation

Wide operating temperature range: -55°C to 125°C

Suitable for a variety of power supply applications

Key Reasons to Choose This Product

High-performance PWM controller with advanced features

Reliable and durable design for long-term use

Flexible and adaptable to different power supply topologies

Cost-effective solution for power conversion applications

Quality and Safety Features

Designed and manufactured to high quality standards

Meets relevant safety and regulatory requirements

Compatibility

The UC1843L is compatible with a wide range of power supply designs and can be used in a variety of applications, including but not limited to:

Flyback, forward, and push-pull power converters

Switch-mode power supplies

Industrial and consumer electronics

Application Areas

Power supplies for industrial and consumer electronics

Telecom and server power systems

Uninterruptible power supplies (UPS)

Automotive and transportation applications

Product Lifecycle

The UC1843L is an active product, and our website's sales team continues to manufacture and support it. There are no immediate plans for discontinuation. However, as technology evolves, alternative or equivalent models may become available in the future. Customers are advised to check with our website's sales team or their authorized distributors for the latest product information and availability.