Description

LM2575 of regulators provides all the active functions for a step- down (buck) switching regulator, and drives 1A load with excellent line and load regulation.

LM2575 is available in fixed output volt ages of 3.3V, 5V, 12V, 15V and a versatile Adjustable output

version. These regulators are simple to use and require a minimum number of external components.

Features

3.3V, 5V, 12V, 15V and Adjustable output versions

Adjustable version output voltage range 1.23V to 37V ±4 max over line and load conditions

1A output current

Requires Only 4 External Components

High Efficiency

TTL shutdown capability and low power standby mode

Thermal shutdown, current limit protection

Uses standard inductors

52 kHz fixed frequency internal oscillator