Invention Grant
US07973494B2 Electronic ballast with step up/down power factor correction DC-DC converter suitable for high input voltage applications
有权
电子镇流器具有升压/降压功率因数校正DC-DC转换器，适用于高输入电压应用
- Patent Title: Electronic ballast with step up/down power factor correction DC-DC converter suitable for high input voltage applications
- Patent Title (中): 电子镇流器具有升压/降压功率因数校正DC-DC转换器，适用于高输入电压应用
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Application No.: US12507892Application Date: 2009-07-23
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Publication No.: US07973494B2Publication Date: 2011-07-05
- Inventor: Gang Yao , Xuefei Xie
- Applicant: Gang Yao , Xuefei Xie
- Applicant Address: US NY Schenectady
- Assignee: General Electric Company
- Current Assignee: General Electric Company
- Current Assignee Address: US NY Schenectady
- Agency: Fay Sharpe LLP
- Priority: CN200910159523 20090513
- Main IPC: H05B37/00
- IPC: H05B37/00
Abstract:
Electronic ballasts and buck-boost DC-DC converters therefor are presented with a buck converter with two switching devices connected with two capacitances and two diodes to limit the individual switching device voltages to around half the converter DC input voltage or less.
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