Flyback switching regulator

Details Flyback switching regulator Flyback switching regulator

H - Electricity

02

M

321/27, 323/4

H02M 3/335 (2006.01)

Patent

CA 1245284

FLYBACK SWITCHING REGULATOR ABSTRACT In a power supply having transformer coupling for regulation of voltage by a pulsing of primary current, a control circuit integrates the output voltage to obtain a measure of flux and primary current. A comparator monitors the integrated voltage to terminate a pulse of primary current prior to saturation of a core of the transformer. This insures linear operation and efficient transfer of energy from the primary to the secondary windings of the transformer. A sensor of secondary current initiates a new pulse of primary current when the secondary current has decayed to a fractional value of the peak secondary current.

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