UC3525BDW - Unitrode

Manufacturer Part Number

UC3525BDW

Manufacturer

Texas Instruments

Introduction

The UC3525BDW is an Integrated Circuit (IC) designed for Power Management in DC DC Switching Controllers.

Product Features and Performance

Integrated Transistor Driver for various topologies

Functions include Step-Up, Step-Down, Step-Up/Step-Down operations

Supports Positive Output Configuration

Compatible with multiple topologies: Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull

Comprises 2 Outputs with a single Output Phase

Adjustable Switching Frequency from 100Hz to 400kHz

Maximum Duty Cycle of 49%

Incorporates Synchronous Rectifier

Features Clock Synchronization

Offers Control Features such as Dead Time Control, Frequency Control, Ramp, Soft Start

Product Advantages

High flexibility in controlling output voltage and frequency

Synchronous Rectification for higher efficiency

Suitable for a wide range of supply voltages (8V to 35V)

Versatility in managing different converter topologies

Key Technical Parameters

Voltage Supply (Vcc/Vdd): 8V ~ 35V

Switching Frequency: 100Hz ~ 400kHz

Duty Cycle (Max): 49%

Operating Temperature Range: 0°C ~ 70°C

Quality and Safety Features

Conforms to industry standards for quality and safety

Operating temperature range suited for commercial grade applications

Compatibility

Mounting Type: Surface Mount

Package / Case: 16-SOIC

Supplier Device Package: 16-SOIC

Application Areas

Power Supplies

DC-DC Converters

Motor Control

Industrial Systems

Product Lifecycle

Product Status: Last Time Buy (nearing discontinuation)

Replacements or upgrades may be available; consult manufacturer for more information

Several Key Reasons to Choose This Product

Versatility with multiple topologies enabling use in various applications

High efficiency with synchronous rectification

Texas Instruments' reputation for reliable and robust components

Extensive control features enabling precise power management

Suitable for a wide array of supply voltages catering to different power requirements