LM22670 - Step-Down Voltage Regulator

National Semiconductor Corporation

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Datasheet Details

Part number	LM22670
Manufacturer	National Semiconductor Corporation
File Size	518.07 KB
Description	Step-Down Voltage Regulator
Datasheet	LM22670_NationalSemiconductorCorporation.pdf

LM22670 Product details

Description

The LM22670 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 3A 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 LM22670 series also has built in thermal shu.

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Published: May 12, 2009 |