UCC3802PW - Unitrode

Manufacturer Part Number

UCC3802PW

Manufacturer

Texas Instruments

Introduction

The UCC3802PW is an integrated PWM controller designed for power supply applications.

Product Features and Performance

Low startup voltage: 12.5 V

Operating supply voltage range: 8.3V to 12V

High duty cycle capability: up to 99%

High-frequency switching: up to 1MHz

Frequency control for optimized system performance

Product Advantages

Improved power efficiency for AC/DC conversion

Flexible for multiple topologies: Boost, Buck, Flyback, Forward

Current limiting for enhanced protection

Temperature range for operation: -40°C to 85°C

Surface mount technology for compact PCB design

Key Technical Parameters

No internal switches

Lack of voltage breakdown specification

No output isolation specified

Duty cycle: 99%

Switching frequency: up to 1MHz

Startup voltage: 12.5 V

Supply voltage: 8.3V to 12V

Quality and Safety Features

Current limiting fault protection

Operating temperature range ensures reliability in extreme conditions

Compatibility

Boost, Buck, Flyback, and Forward topology support

Surface mounting compatible with TSSOP 8-pin package

Application Areas

Power management for electronic devices

AC to DC conversion systems

Power supplies for consumer electronics

Product Lifecycle

Status: Last Time Buy

Extended support for legacy designs

Replacements or upgrades might be available

Several Key Reasons to Choose This Product

Optimal choice for high-frequency and flexible power supply designs

Suitable for a wide range of supply voltage

Texas Instruments' reputation for reliability and quality

Helpful for designs requiring tight control over frequency and duty cycle

Industry-standard packaging and mounting configurations

Specifically designed for power management efficiency