UC3572DTR - Texas Instruments

Manufacturer Part Number

UC3572DTR

Manufacturer

Texas Instruments

Introduction

UC3572DTR is a power management integrated circuit for DC-DC switching controllers, specifically designed for flyback topology applications.

Product Features and Performance

Supports step-up/step-down operations

Negative output configuration

Single output with one output phase

Operates with a 4.75V to 30V supply voltage range

Switching frequency fixed at 100kHz

Maximum duty cycle of 92%

Lacks synchronous rectifier for simplicity

No clock synchronization feature

Features current limit and ramp control features

Product Advantages

High efficiency with a high 92% duty cycle

Flexibility in handling a wide range of supply voltages

Built-in current limit for protection

Ramp control to reduce inrush currents and voltage spikes

Key Technical Parameters

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

Frequency - Switching: 100kHz

Duty Cycle (Max): 92%

Topology: Flyback

Output Type: Transistor Driver

Operating Temperature Range: 0°C ~ 70°C

Quality and Safety Features

Current limiting for overload protection

Operating temperature rated for commercial use (0°C to 70°C)

Designed for reliable surface mount technology

Compatibility

Mounts on 8-SOIC (0.154", 3.90mm Width) footprint

Suitable for applications requiring surface mount technology

Application Areas

Power supply units

Battery-operated devices

Portable electronics

Industrial control systems

Telecommunication infrastructure

Product Lifecycle

Product Status: Active

No immediate indication of discontinuation

Standard lifecycle for power management components, with potential for future replacement or upgrade availability

Several Key Reasons to Choose This Product

Highly efficient design suitable for a range of power applications

Wide input voltage range, accommodating various power sources

Suitable for negative output voltage applications

Handles up to 92% duty cycle allowing for heavy loads

Robust feature set including current limit and ramp control

Texas Instruments' reputation for quality and reliability in power management

Active product with technical and customer support available

Compatibility with standard surface mount processes facilitates easy integration into existing designs

Ideal for use in both consumer and industrial applications with operating temperature ranging from 0°C to 70°C