è ̄'æ

è ̄¥TPS54331ä ̧º28ä1/4ï1/43éåæ¥éåè1/2¬æ¢å ̈ï1/4å®éæäºä ̧ä ̧ªä1/2R_{DSï1/4æ¥ï1/4}é«è3/4¹MOSFETã ä ̧ºäºæé«è1/2»è'è1/21/2æ¶çæçï1/4èå²è·³è·çææ ̈¡å1/4™åè1/2ä1/4èªå ̈å ̄å ̈ã æ¤å¤ï1/41μAå ³æçμæºçμæμä1/2¿è ̄¥å ̈件æä ̧ºçμæ± ä3/4çμåºç ̈ã å é ̈æçè¡¥å¿çμæμæ ̈¡å1/4æ§å¶ç®åäºå¤é ̈è¡¥å¿è®¡ç®ï1/4åå°äºå 件æ°éï1/4åæ¶å è® ̧ä1/2¿ç ̈çé¶ç·è3/4åºçμ容å ̈ã ä ̧ä ̧ªçμé»ååå ̈æ¹æ¡çè3/4å ¥æ¬ åééæ»åã ç¬æè¿çμåä¿æ¤çμè· ̄éå¶äºå ̄å ̈åç¬æè¿å²çμåæ¡ä»¶ã æ计åå ̈æçμæμéå¶ï1/4é¢çæè¿åçåæºä¿æ¤è£ ç1/2®åå3/4ªç ̄ä ̧çè'è·è¿è1/21/2æ åμæ¶ã

ç¹æ§

• 3.5Vè³28Vè3/4å ¥çμåèå'
• å ̄è°è3/4åºçμåä1/2è³0.8V
• ç»1/4å80ç±³ é«ç« ̄MOSFETçæ ̄æé«è3/43/43Açè¿ç»è3/4åºçμæμ
• é«æçä ̧èå²è·³è·çææ ̈¡å1/4å ̈è1/2»è'è1/21/2
• 570kHzåºå®å1/4å ³é¢ç
• å ̧åéæçμæμ1μAçå ³æ
• å ̄è°å1/4æ ¢å ̄å ̈éå¶äºæμªæ¶çμæμ
• å ̄ç1/4ç ̈UVLOéå1/4
• ç¬æè¿çμåä¿æ¤
• Éå ̈æçμæμéå¶ï1/4é¢çæè¿åçåæºä¿æ¤
• å ̈æäºä1/2¿ç ̈å ̄ç ̈SOIC8å°è£
• åºç ̈
  • å¦æºé¡¶çï1/4CPEè®3/4å¤ï1/4液æ¶æ3/4示å ̈ï1/4å¤è®3/4åæ¶è'¹ç±»åºç ̈çμæ± å çμå ̈
  • å·¥ä ̧åæ±1/2è1/2¦é³åçμæº
  • 5Vï1/412Vå24Vçåå ̧å1/4çμæºç³»ç»