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US 2010/0164400 A1Published application
Switching power supply system for optical sources or a load requiring a controlled supply current
AssigneeSTMicroelectronics S.r. l.
InventorClaudio ADRAGNA
Life of this patent
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Abstract
A switching power supply for supplying a load requiring a controlled current includes a PFC pre-regulator for receiving an input voltage and providing an output voltage, and a DC-DC switching converter for receiving at input the voltage output by the pre-regulator and for providing at output a supply voltage of said load. The switching DC-DC converter operates at a fixed and constant operating frequency, is a resonant converter and includes an LLC resonant circuit.
Claims14
A switching power supply for supplying a load requiring a controlled current, comprising:
- a PFC pre-regulator for receiving an input voltage and providing an output voltage;
- a DC-DC switching converter, which operates at a fixed and constant operating frequency, for receiving at input the voltage output by the pre-regulator and for providing at output a supply voltage of said load, wherein said switching DC-DC converter includes a resonant converter comprising an LLC resonant circuit.
Dependencies are inferred from the claim text.