Patent ID: 9496780
Filing Date: 2016-11-15
CPC Classification: H02M

Claim Text:
1. A DC-to-DC converter comprising: a power input terminal; a power output terminal; a transformer including a primary transformer coil connected to the power input terminal and a secondary transformer coil connected to the power output terminal; a switching circuit including a switch and a switch controller, the switch controller controlling the duty cycle of the switch to supply a periodic signal to energize the primary transformer coil; the switching circuit including: an auxiliary winding electromagnetically coupled to the primary and/or the secondary transformer coils of the transformer that feeds back to the first sense circuit, via a first feedback path, a first signal indicating a voltage condition at the transformer; and a further feedback path connected between the second sense circuit and the first sense circuit that provides a second signal to the first sense circuit to boost the first signal when an overload is detected, and to initiate the hiccup mode.