UCC3804DTR - Texas Instruments

Manufacturer Part Number

UCC3804DTR

Manufacturer

Texas Instruments

Introduction

The UCC3804DTR is a low-power, biCMOS current-mode Pulse-Width-Modulation (PWM) controller from Texas Instruments, designed for a wide range of power supply applications.

Product Features and Performance

Supports multiple topologies including Boost, Buck, Flyback, and Forward converters.

Operates at a switching frequency of up to 1MHz.

Features frequency control and current limiting for enhanced performance.

Duty cycle maxes out at 49%.

Voltage start-up at 12.5V and a supply range from 8.3V to 12V.

Product Advantages

High-frequency operation reduces the size of power supply components.

Flexible design suitable for various converter topologies.

Current limiting feature provides added safety by preventing overload.

Key Technical Parameters

Max Frequency: 1MHz

Start-Up Voltage: 12.5V

Supply Voltage: 8.3V ~ 12V

Duty Cycle: 49%

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Incorporates current limiting for protective operation.

Operational within a wide temperature range ensuring stability under various climatic conditions.

Compatibility

The device is packaged in an 8-SOIC format, compatible with surface mount techniques for easy integration into varied circuit designs.

Application Areas

Ideal for constructing power supplies in consumer electronics, telecom, and industrial equipment.

Product Lifecycle

Currently active product status with no announced discontinuation, ensuring long-term availability and support.

Several Key Reasons to Choose This Product

High switching frequency permits smaller and lighter power supply designs.

Wide operating temperature range ensures reliability in diverse environments.

Current limiting provides fault protection, enhancing device longevity and safety.

Supports various conversion topologies for increased design flexibility.

Reliable manufacturer and consistent quality from Texas Instruments.