UCC38503DW - Texas Instruments

Manufacturer Part Number

UCC38503DW

Manufacturer

Texas Instruments

Introduction

The UCC38503DW is a highly integrated Power Factor Correction (PFC) controller from Texas Instruments, designed for a wide range of power supply applications.

Product Features and Performance

Operates at a fixed switching frequency of 100kHz

Accepts a wide input voltage range of 9.7V to 18V

Employs average current mode control for improved line and load regulation

Startup current as low as 150μA

Integrated high-voltage startup circuit

Cycle-by-cycle current limiting and thermal shutdown protection

Product Advantages

Highly integrated design for reduced component count and simplified system implementation

Stable and reliable performance across a wide range of operating conditions

Enhanced protection features for improved system reliability and safety

Key Technical Parameters

Switching Frequency: 100kHz

Input Voltage Range: 9.7V ~ 18V

Startup Current: 150μA

Operating Temperature: 0°C ~ 70°C

Quality and Safety Features

RoHS3 compliant

Designed for reliable and safe operation

Compatibility

The UCC38503DW is a surface mount device in a 20-SOIC package, suitable for a wide range of power supply applications.

Application Areas

Widely used in power supplies for consumer electronics, industrial equipment, and other applications requiring power factor correction.

Product Lifecycle

The UCC38503DW is an actively supported product in the Texas Instruments portfolio and is not nearing discontinuation.

Replacement and upgrade options are available from Texas Instruments, offering ongoing support and product evolution.

Key Reasons to Choose This Product

Highly integrated design for simplified system implementation

Wide input voltage range and stable performance across a variety of operating conditions

Enhanced protection features for improved system reliability and safety

Actively supported product with available replacement and upgrade options