Power supply device

Power supply device

  • CN 102,142,782 A
  • Filed: 01/27/2011
  • Published: 08/03/2011
  • Est. Priority Date: 02/03/2010
  • Status: Active Application
First Claim
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1. a supply unit is characterized in that, comprising:

  • The power transfer transformer, its primary side is transfused to the input voltage from power supply, and converts above-mentioned input voltage to predetermined output voltage and export the load circuit that is connected primary side to;

    The drive control signal transmission circuit, it has the primary side transmission circuit and the primary side transmission circuit of mutually insulated, and the load driving control signal that will be input to above-mentioned primary side transmission circuit by above-mentioned primary side transmission circuit transfers to above-mentioned load circuit;

    AndFeedback circuit, it comes above-mentioned output voltage is carried out FEEDBACK CONTROL according to the feedback current that the primary side at above-mentioned power transfer transformer generates,A part of feedback current of above-mentioned feedback circuit and above-mentioned load driving control signal are consumed synchronously.

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