LM22678 - Step-Down Voltage Regulator

National Semiconductor Corporation

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Datasheet Details

Part number	LM22678
Manufacturer	National Semiconductor Corporation
File Size	540.59 KB
Description	Step-Down Voltage Regulator
Datasheet	LM22678_NationalSemiconductorCorporation.pdf

LM22678 Product details

Description

The LM22678 series of regulators are monolithic integrated circuits which provide all of the active functions for a stepdown (buck) switching regulator capable of driving up to 5A loads with excellent line and load regulation characteristics.

Features

such as external component calculation, electrical simulation, thermal simulation, and Build-It boards for easy design-in. The switching clock frequency is provided by an internal fixed frequency oscillator which operates at 500 kHz. The LM22678 series also has built in thermal shutdown, current limiting and an enable control input that can power down the regulator to a low 25 µA quiescent current standby condition. Features.

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Published: May 12, 2009 |