LM2575HV Datasheet PDF - National Semiconductor SIMPLE SWITCHER 1A Step-Down Voltage Regulator Specs

LM2575HV - SIMPLE SWITCHER 1A Step-Down Voltage Regulator

This page provides the datasheet information for the LM2575HV, a member of the LM2 SIMPLE SWITCHER 1A Step-Down Voltage Regulator family.

Datasheet Summary

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.

Features

include a guaranteed ±4% tolerance on output voltage within specified input voltages and output load conditions, and ±10% on the oscillator frequency. External shutdown is included, featuring 50 μA (typical) standby current. The output switch includes cycle-by-cycle current limiting, as well as thermal shutdown for full protection under fault conditions. Features.
3.3V, 5V, 12V, 15V, and adjustable output versions.
Adjustable version output voltage range, 1.23V to 37V (57V for HV vers.

Datasheet Details

Part number	LM2575HV
Manufacturer	National Semiconductor
File Size	214.64 KB
Description	SIMPLE SWITCHER 1A Step-Down Voltage Regulator
Datasheet	LM2575HV Datasheet
Additional preview pages of the LM2575HV datasheet.

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Full PDF Text Transcription

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LM1575/LM2575/LM2575HV Series SIMPLE SWITCHER 1A Step-Down Voltage Regulator LM1575/LM2575/LM2575HV SIMPLE SWITCHER® 1A Step-Down Voltage Regulator General 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, 15V, and an adjustable output version. Requiring a minimum number of external components, these regulators are simple to use and include internal frequency compensation and a fixed-frequency oscillator. The LM2575 series offers a high-efficiency replacement for popular three-terminal linear regulators.

Published: Mar 22, 2005 |