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Lin; Chun-Hsi
Yi-Lan Shien, TW
No. of patents:

Patent Number Title Of Patent Date Issued
7898218 Power supply topologies with PWM frequency control March 1, 2011
A power supply topology with pulse width modulation frequency control allows the use of an inductor with higher inductance in a converter. By controlling the switching frequency of the pulse width modulation signal, the inductor can achieve high efficiency during a light load condition
7378896 Single pin for multiple functional control purposes May 27, 2008
A method for using a single pin to support both power input and power control functions for an integrated circuit, wherein the integrated circuit is in communication with a system. The method includes receiving at the pin a power input signal from the system, generating a power contr
7375472 Highly efficient driving of photoflash diodes using low and fixed voltage drop-out current sink May 20, 2008
A circuit according to the present invention is used for driving a photoflash diode and comprises a current sink, a feedback circuit, and a DC-DC converter. The current sink is coupled to the photoflash diode for controlling the current through the photoflash diode. The feedback circ
7331001 Test card for multiple functions testing February 12, 2008
The present invention provides a test card for multiple functions testing. The test card includes a host of media devices, all of which reside on a single printed circuit board; and a selection device which selects each one of the host of media devices for testing. The test card can test

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