Patent ID: 7944154
Filing Date: 2011-05-17
Classification: H05B

Abstract:
1. A fluorescent tube power supply comprising; an inverter power supply configured to output a DC voltages; an inverter configured to convert an output of the inverter power supply to an AC; a power stabilizing unit configured to stabilize a power input to the inverter and arranged between the inverter power supply and the inverter; and a feedback unit configured to perform feedback control of the inverter power supply based on an output signal of the power stabilizing unit, wherein the power stabilizing unit comprises a first transistor, a second transistor, a first resistor, a second resistor, and a zener diode, the first resistor is disposed between the inverter power and the inverter, the second resistor is disposed between a base and an emitter of the second transistor, and the zener diode is connected to the emitter of the second transistor.