Muncy, Geissler, Olds & Lowe, P.C.
AC-to-DC power converter and control method and control integrated circuit thereof
An AC-to-DC power converter with a BJT as a power switch can set a base current of the BJT by a current setting resistor which is in the outside of a control integrated circuit. Since an output current and a recovery current of the BJT are injected into a sensing resistor, the AC-to-DC power converter can correctly detect an inductor current thereof from the sensing resistor.
RICHTEK TECHNOLOGY CORPORATION
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Jung-Pei Jyun-Che Yu-Chang Jiun-Hung Chien-Fu Isaac Y.
Cheng Ho Chen Pan Tang Chen