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SM7523B - Sunmoon

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SM7523B Constant primary control power switch

SM7523B QOBSIWV1.9 SM7523B  : BUCK-BOOST   730V 85Vac~265Vac ±5%   1~3W 、431       (LEB) / FB  :SOP8 SM7523B AC/DC ,, ±5%,,,TL431 ,。 ,FB ,/ ,。 1 2 3 4 CS FB NC VCC DRAIN DRAIN GND GND 8 7 6 5 SOP8 SM7523B 85Vac~265Vac 1~3W 180Vac~265Vac 3~5W DRAIN  LED AC Vout+ 8 7 6 GND NC DRAIN SM7523B VCC CS FB GND .

Features

, ,±5%。SM7523B ,, TL431 。,FB ,/ ,。  SM7523B ,,, ,。 SM7523B ,(DCM)。 ,。: Io  2 / 7  N  I P :Io ;N ;  (1) SM7523B ,( 65K) 。 ,: 1 2 Po = × L P × FSW × IP 2 (3) LP ,IP 。 3 , 。,, : FSW  4 7  TDEMAG (4) TDEMAG , ,LP FSW 。 。SM7523B ±10%。  LEB SM7523B CS , ,。 CS 。 ,, , RC ,。  SM7523B , : , , FB ,。 : [email protected] : www.chinaasic.com : Tel: 0755-26991392 Fax: 0755-26991336 : 015 -3- SM7523B QOBSIWV1.9 PCB layout    IC 5、6 ,,。 DRAIN ,,。 FB ,,≥1mm 。 : [email protected] : www.chinaasic.com : Tel: 0755-26991392 Fax: 0755-26991336 : 015 -4- SM7523B .

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