LM22677 - Step-Down Voltage Regulator

Product Overview

National Semiconductor Corporation

Datasheet Details

Part number	LM22677
Manufacturer	National Semiconductor Corporation
File Size	406.23 KB
Description	Step-Down Voltage Regulator
Datasheet	LM22677 Datasheet
Additional preview pages of the LM22677 datasheet.

Product details

Description

The LM22677 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 switching frequency can also be adjusted with an external resistor or synchronized to an external clock up to 1MHz. It is also possible to selfsynchronize multiple regulators to share the same switching frequency. The LM22677 series also has built in thermal shu.

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Published: May 12, 2009 |