LP3981IMM-2.5

• ä1/2ç§ ̄å°ï1/4èç空é'çMSOP - 8
• ä1/2å ̈LLP - 6å°è£ çé»ä1/2¿åºè²çå ̈åæ§è1/2
• é»è3/4æ§å¶ä1/2¿è1/2
• ç ̈³å®ä ̧é«åè' ̈çé¶ç·åé1/2çμ容å ̈
• å¿«éå1/4å ̄
• çå ³æåçè· ̄çμæμéå¶

è ̄'æ

èLP3981çæ§è1/2ä1/4åï1/4çμæ± ä3/4çμç³»ç»æä3/4è¶ ä1/2åªé³ï1/4æä1/2åå·®ï1/4ä1/2éæçμæμã ç ̈³åå ̈æ¥å°çμæμåªæ ̄ç¥æå¢å è3/4å¦ï1/4è¿ä ̧æ¥å»¶é¿çμæ± çä1/2¿ç ̈å ̄¿å1/2ã

çμæºæå¶æ ̄å ̈ä1/2é¢60åè'æ'å¥1/2ã å¦æ¤é«ççμæºæå¶ä¿æè3/4å ¥çμåä ̧éå°è3/4ä1/2çæ°'å¹³æ®éçμæ± ä3/4çμçμè· ̄ã

è ̄¥è£ ç1/2®æ ̄ç ̈äºç§»å ̈çμè ̄åç±»ä1/41/4çμæ± ä3/4çμçæ 线åºç ̈ççæ³éæ©ã ®å æä3/4é«è3/43/4300æ ̄«å®ï1/4ä»2.5Vè³6Vè3/4å ¥ï1/4å ̈å ³éæ ̈¡å1/4æ¶èå°äº1μAã

èLP3981æ ̄éç ̈MSOP - 8å°è£ ã å ̄¹äºLLP - 6å°è£ LP3981ï1/4NSCéå®åäºå¤èç³»ã æ§è1/2ä ̧º-40 ° Cè³+125 ° Cæ ̧©åº¦èå'ã è ̄¥è®3/4å¤å ̈ä ̧é¢çè3/4åºçμåå ̄ç ̈; 2.5Vï1/42.7Vï1/42.8Vï1/42.83Vï1/43.0Vï1/43.03Vå3.3Vä1/2ä ̧ºæ åã å ¶ä»è3/4åºé项å ̄以æä3/4ï1/4è ̄·èç³»æ ̈å1/2å°çNSCéå®åäºå¤ã

ä ̧»è¦è§æ 1/4

• 2.5è³6.0Vè3/4å ¥èå'
• 300æ ̄«å®ä¿è ̄è3/4åº
• 60åè'PSRRå ̈1kHz
• <=1μA静态电流时关闭
• å¿«éå1/4å ̄æ¶é'ï1/4ä ̧C _تجاوز 120å3/4®ç§ï1/4å ̧åå1/4ï1/4= 0.01uFç
• 132mVåå·®å ̧åå1/4ä ̧300æ ̄«å®è'è1/21/2
• 35μVrmså ̈10Hzè³100kHzçè3/4åºåªå£°
• -40å°+125 ° Cç»å ̄¹å·¥ä1/2æ ̧©åº¦èå'
• 2.5Vï1/42.7Vï1/42.8Vï1/42.83Vï1/43.0Vï1/43.03Vå3.3Vè3/4åºæ å

åºç ̈

• CDMAèçªææº
• ®å 1/2å ̧¦CDMAèçªææº
• GSM移å ̈çμè ̄ææº
• ä3/4¿æºå1/4ä¿¡æ ̄家çμ
• å3/4®å°ç3.3Vè³2.5V ± 5ï1/4 ç300mAè1/2¬æ¢å ̈