LM3668SD-2833

• 产åä»ç»

è ̄¥LM3668æ ̄ä ̧ä ̧ªåæ¥éå - ååDC - DCè1/2¬æ¢å ̈ï1/4ç ̈äºé©±å ̈ä»é离åçμæ± ï1/42.5Vå5.5Vä¹é'çè3/4å ¥çμåè1/2 ̈ä1/2çμåçμè· ̄ä1/4åã ®å æè1/2åæ ̄æäºå ̈è3/4åºçμåèå'ä ̧º1Açè3/4åºçμæμã è ̄¥LM3668è°æ§å ̈æ'ä ̧ªè3/4å ¥çμåèå'ä¹é'èªå ̈éåæååæ ̈¡å1/4å ̄¹è3/4å ¥çμåçä ̧åå1/4å ³çè3/4åºçμåã

è ̄¥LM3668è ̄ä1/4°æ¿æ ̄ä ̧ä ̧ªåæ¥éå - ååDC - DCè1/2¬æ¢å ̈å·¥ä1/2æ1/4示ã è ̄¥åºç ̈ç¬è°® å å«æå ³è ̄ä1/4°çμè· ̄æ¿ã æ'å¤ç»èåè1/2¬æ¢å ̈æä1/2çμæ°ç¹æ§ï1/4è ̄·åèè¡ ̈ã

ç¹ç¹ï1/4

• 45μå ̧åéæçμæμ
• å ̄¹äº2.8V/3.3Vå3.0/3.4Vçæ¬ï1/4
  - 1Aæ大è'è1/21/2çμæμä ̧ºV _IN = 2,8 Vè³5,5 V
  - 800æ ̄«å®æ大è'è1/21/2çμæμä ̧ºV _IN = 2,7 V
  - 600æ ̄«å®æ大è'è1/21/2çμæμä ̧ºV _IN = 2,5 V
• å ̄¹äº4.5/5V
  - 1Aæ大è'è1/21/2çμæμä ̧ºV _IN = 3,9 Vè³5,5 V
  - 800æ ̄«å®æ大è'è1/21/2çμæμä ̧ºV _IN = 3.4Vå°3.8V
  - 700æ ̄«å®æ大è'è1/21/2çμæμä ̧ºV _IN = 3,0 Vè³3,3 V
  - 600æ ̄«å®æ大è'è1/21/2çμæμä ̧ºV _IN = 2,7 Vè³2,9 V
• 2.2MHzçåºå®å1/4å ³é¢çPWMï1/4å ̧åå1/4ï1/4
• èªå ̈PFM - PWMæ ̈¡å1/4æå1/4ºå¶PWMæ ̈¡å1/4
• ®å 1/2è3/4å ¥çμåèå'ï1/42.5Vè³5.5V
• å é ̈åæ¥æ'æμ以å®ç°é«æç
• å é ̈è1/2 ̄å ̄å ̈ï1/4600μsçæ大å ̄å ̈åï1/4 _{å ̈}ç»ç®Væ¶é'ã
• 0.01μå ̧åå ³æçμæμ
• çμæμè¿è1/21/2åçå ³æä¿æ¤
• é¢çåæ¥å1/4èï1/41.6MHzçå°2.7MHz

åºç ̈èå'ï1/4

• ææºå ̈è3/4¹
• MP3ææ3/4å ̈
• é¢è°èç线æ§ç ̈³åå ̈
• æä ̧çμè
• Ä3/4¿æºå1/4硬ç驱å ̈å ̈
• WiMAXè°å¶è§£è°å ̈