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12vת3.3vоƬ

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AIC1596 - 33 .LM317Ҳתõ

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װһѹ·12Vѹ3.3V. ȡ裬ֵ=12-3.3)3.3ֵȡ̫С̫ 8.7K3,3K贮8.7Kһͷ12V,һͷ3.3K3.3Kһͷӵأʱ8.7K3....

2596Ϳ԰2Aû⡣

ת·ͼ R581裬LTV816SƼΪ10mAͨѹ1.2VR581СֵΪ12-1.2V/10mA=1kѡñȽϳõ4.7kΪ2.3mAR582Ϊ߼IN=12VʱOUT=3.3VIN=0VʱOUT=0V

һBUCK·ǽѹ·ԭģ 6ŲǷֵΪ12VռձȿɵľβL2c15˲γ+3.3vѹr19Ƿ裬c15ϵĵѹǷ3.3v3.3vоƬռձȣʹѹ½ͬ...

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