Logic controlled high voltage resonant switching power supply

Details Logic controlled high voltage resonant switching power supply Logic controlled high voltage resonant switching power supply

2005-06-21

2005-06-21

Sherry, Michael (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

C323S288000

Reexamination Certificate

active

06909267

ABSTRACT:
Methods and apparatuses for a low EMI power supply. The power supply may include a control circuit, a power switch connected to the control circuit, an anti-parallel diode connected to the power switch, an inductor coupled to the anti-parallel diode, an output diode coupled to the inductor, and an output capacitor connected to the output diode. The power supply may include a series diode and no anti-parallel diode. The power supply provides a controllable and variable high voltage power supply from a small number of devices while, at the same time, producing low EMI. Power conversion is achieved at high efficiencies due to the recycling of energy in parasitic capacitance. Due to its low EMI, the power supply is particularly well suited for driving electronic devices such as avalanche photodiodes.

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