Switching regulator power supply
作者： Richard A. Keller
DOI:
关键词: Pulse-width modulation 、 Transformer 、 Voltage 、 Transistor 、 Switched-mode power supply 、 Current limiting 、 Volt 、 Electrical engineering 、 Voltage sensor 、 Physics
摘要: A switching regulator electronic power supply for 115 volt A.C. operation rectifies and filters to provide approximately 170 volts of unregulated D.C. the primary winding a conversion transformer. In series with is transistor switch controlled by pulse width modulator whose ON-time determined rectified voltage level, OFF-time an output sensor current limiter that duty cycles assure constant level from filtered supply.
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