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LM22671

National Semiconductor Corporation
Part Number LM22671
Manufacturer National Semiconductor Corporation
Description Step-Down Voltage Regulator
Published May 12, 2009
Detailed Description LM22671 500 mA SIMPLE SWITCHER®, Step-Down Voltage Regulator with Features October 17, 2008 LM22671 500 mA SIMPLE SWIT...
Datasheet PDF File LM22671 PDF File

LM22671
LM22671

Overview
LM22671 500 mA SIMPLE SWITCHER®, Step-Down Voltage Regulator with Features October 17, 2008 LM22671 500 mA SIMPLE SWITCHER®, Step-Down Voltage www.
datasheet4u.
com Regulator with Features General Description The LM22671 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 500 mA loads with excellent line and load regulation characteristics.
High efficiency (>90%) is obtained through the use of a low ON-resistance N-channel MOSFET.
The series consists of a fixed 5V output and an adjustable version.
The SIMPLE SWITCHER® concept provides for an easy to use complete design using a minimum number of external components and National’s WEBENCH® design tool.
National’s WEBENCH® tool includes 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...


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