UC2573DTR - Texas Instruments

Manufacturer Part Number

UC2573DTR

Manufacturer

Texas Instruments

Introduction

The UC2573DTR is a step-down DC-DC switching controller designed for power management applications.

Product Features and Performance

Step-down (Buck) topology

Single output transistor driver

Up to 92% duty cycle for efficient operation

Current limit and ramp control features

Operating temperature range from -40°C to 85°C

Product Advantages

High-voltage supply range from 4.75V to 30V

Low switching frequency of 100kHz to optimize efficiency and minimize noise

Thermal shutdown and overcurrent protection enhance safety and reliability

Small 8-SOIC package for space-saving PCB designs

Key Technical Parameters

Voltage - Supply (Vcc/Vdd): 4.75V ~ 30V

Frequency - Switching: 100kHz

Duty Cycle (Max): 92%

Number of Outputs: 1

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Overcurrent protection

Thermal shutdown

Under-voltage lockout

Compatibility

Designed for surface mount technology

Compatible with single-phase power supplies

Application Areas

Switching power supplies

DC to DC converters

Consumer electronics

Telecommunications equipment

Computing systems

Product Lifecycle

Active product status

Not reported as nearing discontinuation

Availability of replacements or upgrades not specified

Several Key Reasons to Choose This Product

Robust power management with a wide input voltage range

High efficiency with a maximum duty cycle of 92%

Enhanced safety features including overcurrent protection and thermal shutdown

Integration in various applications due to versatile operating temperature range and compact size

Trusted manufacturer with a reputation for quality and reliability