Patent ID: 8004214
Filing Date: 2011-08-23
Classification: H05B

Abstract:
1. A fluorescent tube power supply comprising: a rectification circuit configured to be supplied with an alternating current (AC) power supply; a smoothing circuit configured to receive an output of the rectification circuit; an inverter configured to receive an output of the smoothing circuit; a control circuit configured to control the inverter; and a current detecting unit configured to detect an input current of the inverter, wherein the control circuit is stopped based on an output signal of the current detecting unit when the input current increases, the control circuit is an integrated circuit comprising an enable terminal and a power supply terminal, the control circuit is shifted from a normal mode to a standby mode when the output signal of the current detecting unit is input to the enable terminal, and power supply of the control circuit is shut off and function of the control circuit is completely stopped when the output signal of the current detecting unit is input to the power supply terminal.