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1、??ZA8518A?LED??傜к?仁??仁?LED傡??????ウ???LED??仁???仁?????????а???????????≤???儈???仁?????????????????仁?????“PFC+???BUCK”???????????????儈???н????LED??????????傡?????о傡?IC????????????????????仁????仁????仁????????а??????仁????а??仁??????仁??????仁??????????????????????????仁???????????????⌒???
2、??⌒⌒⌒???仁??仁??仁???仁???????????????????⌒????⌒????⌒?????⌒????????????NO????仁???仁???仁????仁???????????????к???????????й?????????л???????????????????а?????????儈???????⌒???????⌒????ZA8518A??????仁??????к????ㄟ??ZA8518A??й???????????????仁???仁???仁????仁??????????⌒??????⌒??????⌒???????⌒?
3、?????????????????????а??????????к?↓??⌒?????⌒?????⌒??????⌒????????仁?????仁?????仁??????仁????????а?ZA8518A????????ZA8518A??????????????Zentel???у????а??⌒????⌒????⌒?????⌒????????????к????ф??????⌒?????????⌒?????????⌒??????????⌒?????????俆???????????????????⌒???????⌒???????⌒????????⌒
4、???????ZA8518A?????100Hz/120Hz???⌒???????⌒????????⌒?????????????LED???⌒?⌒⌒⌒?????PWMLED??傡?IC?н???????????????,?%1>⌒?????????⌒???⌒??⌒??⌒???????????????????ZA8518A????????▲??????о?????▲??????500mA▲???????????▲??????????▲儈???????▲TO-252,SOP8-EP??▲????????▲???????▲?????????й?ZA85
5、18A????????????????????????ZA8518A??????????????????ZA8518A?????⌒???????⌒????????⌒???????ZA8518ADEMO?????????????г?ZA8518A??????????????IC?VDD??????LED?????????VDD=VLED-VZ????????????????VLED???????????????4-6V??⌒????⌒????????????????????????⌒???????к????????VDD??????2-3V????
6、?????а???LED?????????LED????н??????????н??????VDD?????????л?????????VDD???ㄟ???IC?COMP????Ccom?????Ccom????????????⌒?????????????????⌒??????T??????????????????????4.7uF?IC?COMP????Rcom?????Rcom?????????⌒????????????????????⌒???????????????????????????⌒???????????ф???????????T?
7、1S?????⌒???????????300K-1M?????????????=$$=$$=$$????=$$????????????????????????а??????Io?240mA???????????????????ESOP8???????????ㄎ?????????????????240mA?Io?600mA???????????????TO-252?????40W儈儈儈PF?仁?仁??仁???LED??????????????????????(??56V700mA)?ZA8606+ZA8518A-T5
8、??????18W儈儈儈PF?仁?仁??仁???T8LED???????????????????????ZA8706C+ZA8518A-
