UC1845J - Texas Instruments

Manufacturer Part Number

UC1845J

Manufacturer

Texas Instruments

Introduction

The UC1845J is a high-performance, fixed-frequency pulse-width modulation (PWM) controller designed for use in a wide variety of power conversion applications. It features a comprehensive set of control and protection functions, making it a versatile choice for various power supply designs.

Product Features and Performance

Fixed-frequency operation with programmable oscillator

Precision error amplifier with high DC gain

Integrated voltage reference

Adjustable current limit and thermal shutdown protection

Soft-start capability for controlled output voltage rise

Shutdown and standby modes for power conservation

Wide input voltage range of -0.3V to 6.3V

Operates from a 12V to 28V supply voltage

Supplies up to 11mA of output current

Operates across a temperature range of -55°C to 125°C

Product Advantages

Versatile design for various power conversion applications

Comprehensive control and protection features

Wide input and supply voltage ranges

Operates across a wide temperature range

Efficient power management with shutdown and standby modes

Key Reasons to Choose This Product

Reliable and robust performance

Flexible design for diverse power supply needs

Comprehensive protection features for safe operation

Wide operating temperature range for demanding environments

Efficient power management for optimized energy consumption

Quality and Safety Features

Thermal shutdown protection

Current limit protection

Robust design for reliable operation

Compatibility

The UC1845J is compatible with a wide range of power supply designs and can be used in various applications, including:

Switching power supplies

DC-DC converters

Battery chargers

Uninterruptible power supplies (UPS)

Industrial and automotive power systems

Application Areas

Power management in electronic devices

Industrial and commercial power supplies

Automotive and transportation systems

Telecommunications and networking equipment

Renewable energy systems

Product Lifecycle

The UC1845J is an active product, and Texas Instruments continues to manufacture and support it. There are no immediate plans for discontinuation. However, as technology advances, there may be equivalent or alternative models available in the future. If you have any questions or need assistance, please contact our sales team through our website.