ç¹ç¹
éç¨SOT23 - 5å°è£
å¼æ¼^å¤ä½è¾åº
å©ç¨å¤é¨çµå®¹å¨çå¯ç¼ç¨å¤ä½è¶
æ¶å¨æ
å
ç«ççV CCç¬å
说æ
LP3470æ¯ä¸ä¸ªå¾®åèCMOSçµåçæ§çµè·¯çæ§çµæºï¼å¾®å¤çå¨ï¼μPï¼åå
¶å®æ°åç³»ç»è®¾è®¡ã å®æä¾äºæ大çå¯è°èä¸çµå¤ä½ï¼PORï¼åçç£èè½ã å®å¯å¨ä»¥ä¸å
个æ åçå¤ä½éå¼çµåï¼V RTHï¼é项ï¼2.63Vï¼2.93Vï¼3.08Vï¼3.65Vï¼4.00Vï¼4.38Vå4.63V ã å¦æ2.4Vå5.0Vä¹é´ççµåé项çè¯ï¼è¯·èç³»æ¨çå½å®¶å导ä½å
¬å¸ç代表ã
LP3470æè¨å¤ä½ä¿¡å·æ¶çV CCçµæºçµåä½äºå¤ä½éå¼ã 使ç¨ä¸ä¸ªå¤é¨çµå®¹å¨å¯è°çå¤ä½è¶
æ¶æ¶é´ã å¤ä½åçV CC以ä¸çéå¼çµåä¸åçæ¶é´é´éï¼ç±ä¸ä¸ªå¤é¨çµå®¹å¨ç¼ç¨ï¼ä»ç¶æè¨ã
该è£
ç½®æ¯å¨å¾®å°çSOT23 - 5å°è£
ã
主è¦è§æ ¼
± 1ï¼
å¨æ´ä¸ªæ¸©åº¦èå´å
å¤ä½é¨é精度
æ åå¤ä½éå¼çµåï¼2.63Vï¼2.93Vï¼3.08Vï¼3.65Vï¼4.00Vï¼4.38Vï¼å4.63V
èªå®ä¹çå¤ä½éå¼çµåï¼å¯¹äºå
¶ä»çµå2.4Vå5.0Vä¹é´çèç³»å½å®¶å导ä½ä»£è¡¨
æä½çéæçµæµï¼16μAï¼å
¸åå¼ï¼ï¼
ææä¿è¯^å¤ä½ä¸éå°V CC = 0.5V
åºç¨
精确çμPä¸μCçµæºçæ§
æºè½ä»ªè¡¨
计ç®æº
便æºå¼/çµæ± ä¾çµè®¾å¤