LM2574 - 52kHz Simple 0.5A Buck Regulator

Product Overview

Micrel Semiconductor

Datasheet Details

Part number	LM2574
Manufacturer	Micrel Semiconductor
File Size	185.12 KB
Description	52kHz Simple 0.5A Buck Regulator
Datasheet	LM2574 Datasheet
Additional preview pages of the LM2574 datasheet.

Product details

Description

The LM2574 family is a series of easy to use ﬁxed and adjustable switching voltage regulators.

The LM2574 contains all of the active circuitry necessary to construct a stepdown (buck) switching regulator and requires a minimum of external components.

Features

3.3V, 5V, 12V, and adjustable output versions.
Adjustable version output 1.23V to 37V ±4% max. over line and load conditions.
Guaranteed 0.5A output current.
Wide input voltage, up to 40V.
Thermal shutdown and current limit protection.
Requires only 4 external components.
Shutdown capability (standby mode).
Low power standby mode < 200µA Typical.
High-efﬁciency.
52kHz ﬁxed frequency internal oscillator.

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Other Datasheets by Micrel Semiconductor

LM2575 - 52kHz Simple 1A Buck Regulator
LM2576 - 52kHz Simple 3A Buck Voltage Regulator

Published: Mar 22, 2005 |