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这个看你是想用外置MOS还是内置MOS?推荐你使用MP3428,刚好手上有资料.! l* z, I/ Q0 z* w/ W2 R
3V-to-20V Wide Input Range8 z8 s+ D2 D/ Z6 N& `! G) Q
Integrated 10mΩ Low-side Power FET
0 B4 ] l( Y. w$ l x' @( {5 N% c% }: iUp to 97.5% efficiency) o$ w; J0 U. m: t
in 3x4mm QFN-22 Package
J4 D$ p; a9 q- cThe MP3428 is a 600kHz fixed frequency, high efficiency, wide input range, current mode boostconverter with optional internal or external current sensing configuration for high integration or high power application. With current limit above 17A.
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