Output sampling winding isolated switching power supply

  
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The diagram shows the output sampling winding isolated switching power supply. In diagram, T is high frequency transformer; N2 is self-oscillation positive feedback winding; N3 is the error amplifier, and VTSis thewinding to provide sampling signal; N4, N5are DC output windings. DC output and the power gridare isolated from each other, because N3, N4, N5..
Output sampling winding isolated switching power supply - schematic




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