UCC2570DTR - Texas Instruments

Manufacturer Part Number

UCC2570DTR

Manufacturer

Texas Instruments

Introduction

The UCC2570DTR is a Power Management Integrated Circuit specifically designed for AC-DC conversion with offline switching capabilities.

Product Features and Performance

Designed for forward converter topology

Soft start feature to reduce inrush current

Frequency control for enhanced performance

Current limiting for fault protection

Operating frequency at 500kHz allowing for smaller component size

Duty cycle up to 80% for efficient operation

Product Advantages

High-efficiency power conversion

Minimized electromagnetic interference due to controlled switching frequencies

Ability to operate in a wide range of ambient temperatures

No internal switches, which can provide flexibility for external switch choice

Key Technical Parameters

Voltage Start Up: 13V

Voltage Supply (Vcc/Vdd): 9V to 15V

Duty Cycle: 80%

Frequency Switching: 500kHz

Operating Temperature Range: -40°C to 85°C

Quality and Safety Features

Isolated output to provide safety

Built-in current limiting for over-current protection

High-frequency operation to reduce noise and increase reliability

Compatibility

Surface mount technology compatible with modern PCB assembly

Standard 14-SOIC package for easy integration

Application Areas

Power supplies

Industrial control systems

Communication equipment

Consumer electronics

Product Lifecycle

Obsolete status, indicating it may be near end of production

Availability of replacements or upgrades may be limited

Several Key Reasons to Choose This Product

Texas Instruments’ reputable manufacturing quality

Suitable for compact power supply designs due to high-switching frequency

Can handle a wide range of input voltages, enhancing versatility

The soft start function provides protection against power surges

Maintains good performance across a wide temperature range