Power supply apparatus with high speed reset of standby power

The present invention for operation in restarting after power supply, protection of the latch-off structure, it is powered on to the power supply system capable of performing when the physical block, rapid reset the internal circuit. A power source apparatus of the present invention, the rectifying section to be converted to claim 1 DC power by smoothing the AC power, the main power supply section for converting the first 1 DC power to claim 2 DC power supplied to the load, initially the AC power operation select and operate initially after which operation of the first is driven by the AC power source or the first DC power supply selected from the power supply switch unit, the power supply switch unit for selecting and outputting the DC power output of the standby power standby power supply section and includes a controller for receiving the standby power control of the main power source unit according to a user's selection, when the AC power is cut off, parts of the fast reset switch that blocks the said claim 1 DC power supplied to the standby power supply section . According to the present invention, when it is in the power source apparatus of the latch-off structure, protection AC power is cut off physically to the After restarting operation, it is possible to quickly cut off the power to the internal circuit, and thus perform rapid reset to the IC the effect can be. Latch-off power supply, the standby power source, PWM control, a reset