‹
  Öйú°ëµ¼ÌåÕÕÃ÷ÍøÊ×Ò³ > ×ÊѶÖÐÐÄ > ²úÆ·×ÊѶ > ÕýÎÄ
ÃÀ¹ú´ï¶û¿Æ¼¼ÉÏÊÐÐÂÐÍLEDµÆÅÝÇý¶¯IC£¬¹©µçµçÁ÷¸ß´ï1.5A
  2011-4-7  9:17:57    ¼¼ÊõÔÚÏß        ÐÐÒµ:µÆ¾ß  ä¯ÀÀ
 

¡¡¡¡¸ÃLEDÇý¶¯IC²ÉÓÃÁ˽µÑ¹ÐÍDC-DCת»»Æ÷¡£¼¯³ÉÓпª¹ØÔª¼þ£¨¹¦ÂÊMOSFET£©¡£µ¼Í¨µç×èΪ0.35¦¸£¨×î´óÖµ£©£¬¿ª¹ØƵÂÊ×î´óΪ1MHz¡£Òò´Ë£¬ÍâÖñ»¶¯²¿¼þÄܹ»²ÉÓÃСÐͲ¿¼þ£¬Óɴ˵ÃÒÔ¼õСӡˢ»ù°åµÄ·â×°Ãæ»ý¡£

 

¡¡¡¡ÃÀ¹ú´ï¶û¿Æ¼¼(Diodes)ÉÏÊÐÁ˹©µçµçÁ÷×î´óΪ1.5AµÄLEDÇý¶¯IC¡°AL8806¡±¡£ÕâÊǸù«Ë¾ÌṩµÄLEDÇý¶¯ICÖУ¬×î´ó¹©µçµçÁ÷×î´óµÄ²úÆ·¡£ÒÔÇ°£¬Êä³öµçÁ÷×î´óΪ1A¡£ËäÈ»»¹È¡¾öÓÚËùÓÃLEDµÄ˳Ïòµçѹ£¬²»¹ý¸Ã²úÆ·Äܹ»Çý¶¯×î¶àÓÉ8¸öÔª¼þ´®Áª¶ø³ÉµÄÒ»ÌõLEDµÆ´®¡£ÊÊÓÃÓÚMR16ÐÍLEDµÆ¼°ÊäÈë½»Á÷/Ö±Á÷12VµÄÆÕͨÕÕÃ÷Æ÷¾ßµÈ¡£  

¡¡¡¡¸ÃLEDÇý¶¯IC²ÉÓÃÁ˽µÑ¹ÐÍDC-DCת»»Æ÷¡£¼¯³ÉÓпª¹ØÔª¼þ£¨¹¦ÂÊMOSFET£©¡£µ¼Í¨µç×èΪ0.35¦¸£¨×î´óÖµ£©£¬¿ª¹ØƵÂÊ×î´óΪ1MHz¡£Òò´Ë£¬ÍâÖñ»¶¯²¿¼þÄܹ»²ÉÓÃСÐͲ¿¼þ£¬Óɴ˵ÃÒÔ¼õСӡˢ»ù°åµÄ·â×°Ãæ»ý¡£ÐèÒªµÄÍâÖò¿¼þÓÐËĸö¡£ÊäÈëµçѹ·¶Î§ÔÚ£«6¡«30V¡£¶ÔLEDµÆ´®µÄ×î´ó¹©µçµçÁ÷¿ÉÒÔʹÓÃÍⲿµç×è½øÐе÷Õû¡£Êä³öµçÁ÷µÄÎó²î×î´óΪ¡À5£¥¡£×ª»»Ð§ÂÊ×î´óΪ98£¥¡£µ÷¹âÖ§³ÖÁ½ÖÖ·½·¨£¬·Ö±ðÊÇÓÃPWMÐźÅÕ¼¿Õ±È¿ØÖƵķ½·¨ºÍÓÃÖ±Á÷µçѹ¿ØÖƵķ½·¨¡£  

¹©µçµçÁ÷¸ß´ï1.5AµÄLEDÇý¶¯IC  



¡¡¡¡¸ÃвúÆ·¾ßÓÐÊä³ö¿ªÂ·±£»¤¹¦ÄÜ¡£´ý»úʱµÄÏûºÄµçÁ÷Ϊ350¦ÌA£¨×î´óÖµ£©¡£¹¤×÷½ÓºÏ²¿Î¶ȷ¶Î§Îª-40¡«£«125¡æ¡£·âװΪMSOP-8EP¡£¼Û¸ñδ¹«²¼¡££¨±à¼­£ºLEDxume£© 

‹