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TPS53319 auto skip VS FCCM

Other Parts Discussed in Thread: TPS53319

Dear,

PN:TPS53319

if the control mode (auto skip and FCCM) can switch automatically?

we want to konw if any difference with those two mode?

how to choice the control mode when we use DCDC?

b/r

vincent

  • Hi
    auto skip 主要是提升轻载效率的,在轻载时会出现脉冲式控制,驱动一下关闭,直到电压降下去再驱动一下。(频率大幅降低,效率大幅提高)
    FCCM是强制CCM模式,轻载下效率比较低,但是纹波效果要好些。