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Understanding LMR62421 demo board

Posted: 26 Mar 2012 ?? ?Print Version ?Bookmark and Share

Keywords:switching boost regulator? DC/DC conversion? thermal shutdown?

The LMR62421 is a high frequency switching boost regulator that operates at a 1.6MHz switching frequency. It is touted to have all the active functions to provide local DC/DC conversion with fast-transient response and accurate regulation in the smallest PCB area capable of supplying up to 2.1A of switch current. The LMR62421 is internally compensated, and requires few external components. The LMR62421 uses current-mode control to regulate the output voltage in a range from 3V to 24V. Additional features include internal soft start which helps reduce inrush current and thermal shutdown. This application note describes the demo board supplied to demonstrate the operation of this part and give information on its usage.

View the PDF document for more information.

Originally published by Texas Instruments at as "LMR62421 Demo Board".

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