UCC2891PWR - Texas Instruments

Manufacturer Part Number

UCC2891PWR

Manufacturer

Texas Instruments

Introduction

The UCC2891PWR is a power management integrated circuit specially designed for DC-DC switching controllers.

Product Features and Performance

Functions with step-up and step-down capabilities

Supports a positive output configuration with isolation capability

Employs flyback and forward converter topology

Features a transistor driver as the output type

Integrated with features like current limit, enable, on-time control, ramp, and soft start

Includes clock synchronization but no synchronous rectifier

Product Advantages

Flexible with input voltage range of 8.5V to 16V

High maximum duty cycle of 70%

Offers thermal shutdown protection

Key Technical Parameters

Voltage supply (Vcc/Vdd): 8.5V ~ 16V

Switching frequency: 250kHz

Operating temperature range: -40°C ~ 85°C

Maximum duty cycle: 70%

Quality and Safety Features

Temperature monitoring that allows operation in extreme environments

Provides under-voltage lockout (UVLO)

Compatibility

Surface mount device with 16-TSSOP packaging

Suitable for designs requiring output phase and isolation capacity

Application Areas

Telecommunications equipment

Industrial power supplies

Consumer electronics

Automotive modules

Product Lifecycle

Status: Active

No indication of discontinuation, replacements, or upgrades provided

Several Key Reasons to Choose This Product

Reliable operation in a wide range of environmental temperatures

High efficiency due to optimized duty cycle and switching frequency

Versatile input voltage compatibility ensuring broad application usability

Compact surface mount package suitable for space-constrained applications