UC3525ADWTR - Texas Instruments

Manufacturer Part Number

UC3525ADWTR

Manufacturer

Texas Instruments

Introduction

The UC3525ADWTR is a versatile PWM controller from Texas Instruments, tailored for power management applications, particularly in DC to DC switching converters.

Product Features and Performance

Integrates functionalities for step-up, step-down, and step-up/step-down voltage conversion.

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

Supports two outputs with a single output phase.

Offers an adjustable duty cycle up to 49% for varied power requirements.

Allows for efficient power conversion with synchronous rectification.

Features clock synchronization for harmonizing multiple devices.

Equipped with control features such as Enable, Frequency Control, and Soft Start for enhanced operability.

Product Advantages

High flexibility in application due to its support for multiple topologies.

Enables efficient power management with a wide input voltage range (8V ~ 35V).

High frequency operation up to 400kHz facilitates smaller size of external components.

Built-in synchronous rectification support enhances efficiency.

Soft Start capability minimizes inrush current at startup.

Key Technical Parameters

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

Switching Frequency: 100Hz ~ 400kHz

Duty Cycle (Max): 49%

Output Type: Transistor Driver

Operating Temperature: 0°C ~ 70°C

Quality and Safety Features

The UC3525ADWTR is designed to meet rigorous quality and safety standards, ensuring reliable performance in various applications.

Compatibility

This device supports a wide range of power management applications due to its versatile functionality and compatibility with numerous converter topologies.

Application Areas

Power supplies

Renewable energy systems

Industrial control systems

Automotive power management

Consumer electronics

Product Lifecycle

Active - The UC3525ADWTR is currently in active production with no immediate end-of-life announced, ensuring availability for new designs and replacements.

Several Key Reasons to Choose This Product

Versatile application due to compatibility with multiple converter topologies.

Enhanced power efficiency and reduced external component size due to high switching frequency.

Features like soft start, synchronous rectification, and clock synchronization enhance performance and usability.

Reliable operation within a broad range of environmental conditions.

Supported by Texas Instruments' reputation for quality and support in power management solutions.