·¢²¼Ê±¼ä : ÐÇÆÚÒ» ÎÄÕÂLM2595 ÖÐÎÄ×ÊÁϸüÐÂÍê±Ï¿ªÊ¼ÔĶÁ
µäÐÍÐÔÄÜÌØÐÔ£¨Ðø£© £¨Í¼21Öеĵç·£©
µäÐÍÐÔÄÜÌØÐÔ£¨Ðø£© £¨Í¼21Öеĵç·£©
Á¬ÐøģʽÇл»²¨ÐÎ
·´À¡Òý½ÅVIN=20V£¬VOUT=5V£¬ILOAD=1A
Æ«ÖõçÁ÷L =68¦ÌH£¬COUT=120¦ÌF£¬COUT ESR=100M¦¸
A£ºÊä³öÒý½Åµçѹ£¬ÖÁ10V/div¡£ B£ºµç¸ÐµçÁ÷0.5A/div¡£ C£ºÊä³öÎƲ¨µçѹ£¬50 mV /¸ñ¡£ ˮƽʱ»ù£º2΢Ãë/ div¡£
¼ä¶ÏģʽÇл»²¨ÐÎ
VIN=20V£¬VOUT=5V£¬ILOAD=600ºÁ°²
L =22¦ÌH£¬COUT=220¦ÌF£¬COUT ESR=50M¦¸
A£ºÊä³öÒý½Åµçѹ£¬ÖÁ10V/div¡£ B£ºµç¸ÐµçÁ÷0.5A/div¡£
C£ºÊä³öÎƲ¨µçѹ£¬50 mV /¸ñ¡£ ˮƽʱ»ù£º2΢Ãë/ div¡£
¸ºÔØ˲̬ÏìÓ¦Á¬Ðøģʽ
VIN=20V£¬VOUT=5V£¬ILOAD= 250 mAµ½750ºÁ°² L =68¦ÌH£¬COUT=120¦ÌF£¬COUT ESR=100M¦¸
A£ºÊä³öµçѹ£¬100 mV /¸ñ¡££¨AC£© B£º250ºÁ°²µ½750 mA¸ºÔØÂö³å ˮƽʱ»ù£º100΢Ãë/¸ñ¡£
µäÐÍÐÔÄÜÌØÐÔ£¨Ðø£© £¨Í¼21Öеĵç·£©
¸ºÔØ˲̬ÏìÓ¦²»Á¬Ðøģʽ
VIN=20V£¬VOUT=5V£¬ILOAD= 250 mAµ½750ºÁ°² L =22¦ÌH£¬COUT=220¦ÌF£¬COUT ESR=50M¦¸
A£ºÊä³öµçѹ£¬100 mV /¸ñ¡££¨AC£© B£º250ºÁ°²µ½750 mA¸ºÔØÂö³å ˮƽʱ»ù£º200΢Ãë/¸ñ¡£