LTC3809¡A¤@´Ú¥H
3mm x 3mm DFN-10 ¤ÎMSOP-10 «Ê¸Ë¡A¨ã³Æ¼eÀWÃнÕÅÜ¡]spread spectrum
modulation¡^¤§¦P¨B°À£±±¨î¾¹¡C¦¹¤¸¥óªº©wÀW¾Þ§@¤Î±Ä¥ÎMOSFET VDS ÀË´úªº¹q ¬y¼Ò¦¡¬[ºc¡A¦b®Ä²v°ª¹F95%
¤§±¡ªp¤U¡A¥i¥h°£¹q¬yÀË´ú¹qªýªº»Ý¨D¡CLTC3809 ©Ò ¨ã³Æ 2.75V ¦Ü 9.8V ªº¿é¤J¹qÀ£½d³ò¡A¨Ï¨ä¦¨¬°ÂùÁû¾Y¹q¦À©Î¦hÁûÂì²B/ÂìÂð/ÆP©Ê
¹q¦ÀÀ³¥Îªº³Ì²z·Q¿ï¾Ü¡A¼Ð·Çªº 3.3V ¤Î 5V ¹qÀ£¿é¤J¤]¦P¼Ë¾A¥Î¡CLTC3809 ¯à °t¸m¬° Burst Mode—û
¾Þ§@¼Ò¦¡¡A¥B¨äÀRºA¹q¬y¶È100uA ¡C
°w¹ï¦bÂø°T±Ó·P«×°ªªºÀ³¥Î¤è±¡A Burst Mode ¾Þ§@¥i¥Ñ SYNC/MODE °w¸} §í¨î¡A¥H´î¤ÖÂø°T¤Î RF ¤zÂZ¡CLTC3809
¥i³Q³]©w¬°¥Ñ¥~³¡°õ¦æ¦P¨B¤Æ©Î¨Ï¥Î¨ä
on-chip Âê¬Û°j¸ô¦b 250kHz ¦Ü 750kHz ¤§¶¡¶i¦æ½Õ¾ã¡A¦Ó¬°¶i¤@¨B°§C EMI¡A LTC3809
¥ç¨Ö¤J¤@Ó¥iÀH¨Ï¥ÎªÌ¿ï¥Îªº¼eÀWÃнÕÅܧ޳N¡C¨ä¥L¥\¯à©|¥]¬A¤º³¡³n±Ò °Ê¹q¸ô¡A¤@Ó¹q·½¨}¦n¿é¥X¹qÀ£ºÊµø¾¹¡B»²§U¶½uÃÀ£¾¹¤Î¿é¥X¹LÀ£«OÅ@µ¥¡C
LTC3809EDD ¤Î LTC3809EMS8E ¥Ø«e§¡¤À§O¤W¥« 3mm x 3mm DFN-10 ¤Î
MSOP-10 «Ê¸Ë¡C