UCC28740DR - Texas Instruments

Manufacturer Part Number

UCC28740DR

Manufacturer

Texas Instruments

Introduction

The UCC28740DR is a controller IC used in power management applications, specifically designed for AC DC converters and offline switches within electronic devices. It employs a flyback topology to provide isolation and efficient power conversion.

Product Features and Performance

Implements flyback topology for efficient power conversion

Supports a start-up voltage of 21 V and operates on a supply voltage range from 9V to 35V

Allows for switching frequencies between 170 Hz and 100 kHz

Incorporates current limiting and over-voltage protection for enhanced safety

Operates reliably across a wide temperature range from -40°C to 125°C (TJ)

Product Advantages

High efficiency and reduced power consumption due to optimized flyback topology

Enhanced system safety with built-in fault protection mechanisms

Versatile supply voltage range suitable for a variety of applications

Robust design ensuring reliable operation in extreme temperatures

Key Technical Parameters

Output Isolation: Isolated

Voltage Start Up: 21V

Voltage Supply (Vcc/Vdd): 9V ~ 35V

Frequency Switching: 170Hz ~ 100kHz

Operating Temperature: -40°C ~ 125°C (TJ)

Package / Case: 8-SOIC (0.154", 3.90mm Width), 7 Leads

Quality and Safety Features

Current limiting and over-voltage protection for enhanced safety

Reliable operation assured across a broad operational temperature range

Compatibility

Suitable for a diverse range of AC DC conversion applications requiring isolated output

Flexible voltage and frequency settings accommodate various electrical specifications

Application Areas

Consumer electronics

Industrial power supplies

Telecommunication equipment

Energy management systems

Product Lifecycle

Currently in an Active state, not nearing discontinuation

Ongoing manufacturer support with potential future upgrades

Several Key Reasons to Choose This Product

Texas Instruments’ reliability and support ensure long-term performance

Broad operating temperature range makes it suitable for extreme environments

Flexible design options facilitated by wide voltage and frequency ranges

Enhanced safety features protect against common power anomalies

Optimized for efficient power conversion, leading to energy savings