UCC2897PW - Unitrode

Manufacturer Part Number

UCC2897PW

Manufacturer

Texas Instruments

Introduction

The UCC2897PW is a comprehensive power management integrated circuit (PMIC) designed for DC-DC switching controllers, featuring advanced control features for step-up/step-down applications with capability for isolation.

Product Features and Performance

Capable of driving transistor outputs for efficient power conversion.

Supports both step-up and step-down functions for versatile use.

Features positive output configuration with the ability to handle isolation.

Implements flyback and forward converter topology for flexible power supply design.

Single output with a phase for simplified power management.

Supports a voltage supply range from 8.5V to 14.5V.

Operates at a switching frequency of 250kHz.

Maximum duty cycle of 74% for efficient power use.

Includes synchronous rectifier for improved efficiency.

Clock synchronization feature for better system integration.

Equipped with control features such as enable, on-time control, and soft start.

Product Advantages

Enhanced efficiency and reliability in power conversion.

Flexibility in application due to its support for both step-up and step-down operations.

High integration reduces external component count and system complexity.

Robust design enables operation in harsh environments from -40°C to 105°C.

Synchronous rectification and clock sync features enhance performance and efficiency.

Key Technical Parameters

Voltage Supply (Vcc/Vdd): 8.5V ~ 14.5V

Switching Frequency: 250kHz

Duty Cycle (Max): 74%

Operating Temperature: -40°C ~ 105°C

Mounting Type: Surface Mount

Package/Case: 20-TSSOP

Quality and Safety Features

Built with robust safety features for over-temperature and over-current protection.

Designed according to the high Texas Instruments standards for quality and durability.

Compatibility

Suitable for a wide range of power management applications due to its versatile input voltage range and configurable output.

Application Areas

Industrial power supplies

Telecommunication equipment

Computing systems

Automotive electronics

Renewable energy systems

Product Lifecycle

Marked as Last Time Buy, indicating nearing discontinuation.

It is advised to consult Texas Instruments for replacements or upgrades.

Several Key Reasons to Choose This Product

High efficiency and reliability in power conversion applications.

Versatile application due to dual step-up/step-down functionality.

Robust operation in a wide range of temperatures for industrial use.

Offers advanced features such as synchronous rectification and clock synchronization.

Backed by Texas Instruments' reputation for quality and support.