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5544332211DDCCBBAASPKL+SPKL-SPKR-SPKR+Audio_AMP_LAudio_AMP_RSHDN_AMPH_GPIOA13MCU_MUTESHDN_AMP+5VVSB+12V+12V+18V+18VAudio_AMP_L2Aud...
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IC2是一个非连续模式的PFC控制电路。QF3、QF4组成推挽驱动，驱动QF5、QF6，使得QF5、QF6同时导通、同时截止。L1是一个PFC储能电感，它的电...
