H - Electricity – 02 – M
Patent
H - Electricity
02
M
H02M 7/04 (2006.01) H02M 1/00 (2006.01)
Patent
CA 2416338
A circuit for providing a secondary output voltage from an input voltage. The circuit comprises power supply circuitry for creating an unregulated DC bus voltage line, a regulator circuit connected to the DC bus voltage line for controlling a first switch in series with a transformer winding, the control circuit sampling an output voltage to control the output voltage by cycling the switch, a pulse generator circuit connected to the regulator circuit for controlling start and stop cycles of the regulator circuit, and a comparator circuit connected to the pulse generator circuit, for monitoring the secondary output voltage and disabling the pulse generator circuit during normal operation of the power supply circuit.
Mitel Knowledge Corporation
Mitel Networks Corporation
Perry + Currier
LandOfFree
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