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This paper presents the analysis and design of a self-oscillating electronic ballast with universal input voltage range (100–240 VRMS) and power factor correction to supply a T8 32 W fluorescent lamp. The power factor correction stage consists of a DC-DC converter operating in discontinuous conduction mode. The lamp is supplied by a half-bridge resonant inverter and a self-oscillating command circuit...
This paper presents an analysis and design of an integrated self-oscillating power factor correction (PFC) light emitting diode (LED) driver. The PFC is based on a Single Ended Primary Inductance Converter (SEPIC) operating under Discontinuous Conduction Mode (DCM). This converter was chosen because of its low input current distortion characteristic making possible reducing, or eliminating, the electromagnetic...
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