sg3525ƵÂʼÆËã
3525Õðµ´ÆµÂÊÊÇÕâÑù¼ÆËãÂðSG3525µÄÕðµ´ÆµÂʹ«Ê½:FOSC=...
ÎÊÌâ²¹³ä:Èç¹ûƵÂÊÊÇÓÉTD¾ö¶¨µÄ»°,ΪʲôÎÒ½«L1¸Ä³É25 uHʱ,Èý¼«¹ÜBUÕâ¸öµç·ÄÜÕðµ´Âð?6VµçÔ´,500Å·µç×è,µçÁ÷¾Í600mAÁË,µ½800mA...
SG3525 Ôõôȷ¶¨ÆµÂÊ
ct(uf)5½ÅµçÈÝ£¬Rt(k)6½Åµç×裬Rd(k) 5-7½Åµç×è¡£ÄÜ°ïÄãºÜ¸ßÐË¡£
SG3525Êä³öPWM²¨µÄƵÂÊÈçºÎ¼ÆËã
Fosc=1/CT*(0.67*RT+3*RD)CT(uf)5½ÅµçÈÝ£¬RT(k)6½Åµç×裬RD(k) 5-7½Åµç×è
EE40ÌúÑõÌå´Åо,SG3525,Ò»¶Ô2SK902,×öÍÆÍìʽÄæ±äÆ÷,¹¦ÂÊ...
ƵÂÊ=1/ct.(0.7Rt+3Rd)ct(uf)5½ÅµçÈÝ£¬Rt(k)6½Åµç×裬Rd(k) 5-7½Åµç×è
sg3525ºÍsg3524¼¯³É¿é¸÷Îȶ¨¹¤×÷ƵÂÊ·¶Î§ÊǶàÉÙ?
sg3525¹¤×÷ƵÂÊ100Hz¡«400 kHz sg3524¹¤×÷ƵÂÊ100Hz-300KHz
sg3525×öµÄÇý¶¯,11¡¢14½ÅÊä³öµÄƵÂÊ×î¸ßÓжàÉÙ,ÎÒ×öµÄÔõô...
SG3525µÄ11»ò14½ÅÊä³öƵÂÊ:f=1/(2CT(0.67RT+1.3RD))²Î¿¼×ÊÁÏ£ºhttp://bbs.dianyuan.com/topic/494244 ...
(1/2) SG3525ÍÆÍìʽÇý¶¯1¶ÔIRF3205¸ßƵÄæ±ä12VÉýѹ Æä11...
6½ÅµÄµç×èÓÃ10KµÄµçλ¼Æµ÷Õû¡£10µ½20KHZ3µÄ...µç×èÖµ1µ½2K CT103J
SG3525Ö±Á÷ÎÈѹµçÔ´Éè¼Æ~ Óеç·ͼ,Çó½â~~~
²»ÊÇÿ¸öÔª¼þ¶¼ÐèÒª¼ÆËãµÄ£¬ºÃЩ¶¼ÊǾÑéÊý¾Ý£¬Õâ¸öµç·ÀïÃæÐèÒª¼ÆËãµÄÒ»¸öÊÇоƬµÄ¹¤×÷ƵÂÊ£¬Ò»¸ö¾ÍÊÇ...
sg3525Çý¶¯ÆµÂÊ5kËÀÇøµç×èӦѡ¶à´órd20k cd662¶Àʯ - °Ù¶ÈÖª ...
°´ÕÕÊä³öƵÂÊÊÇÕðµ´ÆµÂʵÄÒ»°ë£¬Àí½âΪÄúµÄÇý¶¯Ä£¿éµÄÊä³öƵÂÊÊÇ5khz£¬ÍÆËã³öËÀÇøµç×è´óԼΪ384Å·Ä·
sg3525¸ßƵÇý¶¯Ôõô¸Ä³ÉµÍƵÌúоÇý¶¯ÆµÂÊ400hz×óÓÒ °®ÎÊÖª ...
3525µÄÊý¾ÝÊÖ²áÖÐûÓÐÌṩËÀÇøµç×èRdµÄ¼ÆË㹫ʽ£¬µ«ÓÐÌṩÇúÏß¹©²éÔÄ£¬Ò²¿ÉÒÔÓÃÒ»Ö»470Å·µÄµçλÆ÷À´µ÷½Ú...