LM2575 - 52kHz Simple 1A Buck Regulator

Product Overview

Micrel Semiconductor

Part number	LM2575
Manufacturer	Micrel Semiconductor
File Size	148.36 KB
Description	52kHz Simple 1A Buck Regulator
Datasheet	LM2575 Datasheet
Additional preview pages of the LM2575 datasheet.

The LM2575 series of monolithic integrated circuits provide all the active functions for a step-down (buck) switching regulator.

3.3V, 5V, 12V, and adjustable output versions.
Voltage over specified line and load conditions: Fixed version: ±3% max. output voltage Adjustable version: ± 2% max. feedback voltage.
Guaranteed 1A output current.
Wide input voltage range: 4V to 40V.
Wide output voltage range 1.23V to 37V.
Requires only 4 external components.
52kHz fixed frequency internal oscillator.
Low power standby mode IQ typically < 200µA.
80%.

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Published: Mar 22, 2005 |