LM22679 - Step-Down Voltage Regulator

Product Overview

National Semiconductor Corporation

Datasheet Details

Part number	LM22679
Manufacturer	National Semiconductor Corporation
File Size	385.87 KB
Description	Step-Down Voltage Regulator
Datasheet	LM22679 Datasheet
Additional preview pages of the LM22679 datasheet.

Product details

Description

The LM22679 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 LM22679 series also has built in thermal shutdown and current limiting. The current limit threshold can be adjusted using an external resistor. An adjustable soft-start feature is provided by selecting an appropriate external soft-start capacitor. Features.

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Published: May 12, 2009 |