24_V_TO_33_V_SWITCHING_REGULATOR

Published:2009/6/26 4:08:00 Author:Jessie | From:SeekIC

The National Semiconductor LM2574 delivers 3.3 V out at O.SAfrom a 24-V source. The duty cycle is:VD ＝ diode drop(0.39)VIND ＝ inductor dc dropVSAT ＝ saturation voltage of LM2574(0.9 V typical)



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