LM2575HVT-5.0/NOPB  Description

The LM2575 series of regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator, capable of

driving a 1A load with excellent line and load regulation. These devices are available in fixed output voltages of 3.3V, 5V, 12V, and 15V, and an adjustable output version.

LM2575HVT-5.0/NOPB  Features

3.3V, 5V, 12V, 15V, and Adjustable Output

Versions

Adjustable Version Output Voltage Range,

1.23V to 37V (57V for HV Version) 14%

Max Over

Line and Load Conditions

Specified 1A Output Current

Wide Input Voltage Range, 40V up to 60V for

HV Version

Requires Only 4 External Components

52 kHz Fixed Frequency Internal Oscillator

TTL Shutdown Capability, Low Power Standby

Mode

High Efficiency

Uses Readily Available Standard Inductors

Thermal Shutdown and Current Limit

Protection

P+ Product Enhancement Tested

LM2575HVT-5.0/NOPB Applications

Simple High-Efficiency Step-Down (Buck)

Regulator

Efficient Pre-Regulator for Linear Regulators

On-Card Switching Regulators

Positive to Negative Converter (Buck-Boost)