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LM22670

National Semiconductor Corporation
Part Number LM22670
Manufacturer National Semiconductor Corporation
Description Step-Down Voltage Regulator
Published May 12, 2009
Detailed Description LM22670 3A SIMPLE SWITCHER®, Step-Down Voltage Regulator with Synchronization or Adjustable Switching Frequency October...
Datasheet PDF File LM22670 PDF File

LM22670
LM22670

Overview
LM22670 3A SIMPLE SWITCHER®, Step-Down Voltage Regulator with Synchronization or Adjustable Switching Frequency October 17, 2008 LM22670 3A SIMPLE SWITCHER®, Step-Down Voltage Regulator www.
datasheet4u.
com with Synchronization or Adjustable Switching Frequency General 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.
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 des...


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