Multi-mode flyback control for a switching power converter

S Maru, Z He, M Sood - US Patent 9,178,444, 2015 - Google Patents
In at least one embodiment, an electronic system and method includes a controller to
controla Switching power converter in at least two different modes of operation depending
on whether the controller detects a dimmer or not and/or whether a load requests more
power than either of the two operational modes can provide. In at least one embodiment, the
controller detects whether a dimmer is phase cutting an input Voltage to a switching power
converter. The controller operates the switching power converter in a first mode if the dimmer …
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