Current regulation apparatus

摘要

A current regulation apparatus is provided. The current regulation apparatus includes a trans unit, a first switching unit, a voltage detection unit, a voltage comparison unit, and a control unit. The trans unit includes an auxiliary winding unit. The first switching unit controls an operation of the trans unit. The voltage detection unit detects a voltage induced to the auxiliary winding unit. The voltage comparison unit compares a voltage detected by the voltage detection and a reference voltage. The control unit adjusts a turn-on section of the first switching unit according to an output voltage of the voltage comparison unit.

主权项

1. A current regulation apparatus comprising:
a trans unit comprising an auxiliary winding unit; a first switching unit controlling an operation of the trans unit; an error voltage detection unit and a feedback unit connected to the auxiliary winding unit of the trans unit; and a control unit adjusting a turn-on section of the first switching unit according to an output voltage of a voltage comparison unit, wherein the error voltage detection unit includes: a voltage detection unit detecting a voltage induced to the auxiliary winding unit, the voltage comparison unit comparing a voltage detected by the voltage detection unit and a reference voltage, and the error voltage detection unit and the feedback unit are connected to both ends of the auxiliary winding unit, respectively.