Featured patents

Switch Control Circuit, Converter Using the Same, and Switch Controlling Method
US 08823339 B2, Sept. 2, 2014, Zero switching, Young-Je Lee et al. / Fairchild Korea Semiconductor Ltd. (Bucheon, KR)
A converter having an inductor to which an input voltage rectified from an AC…

Power Supply Device, a Processing Chip for a Digital Microphone and Related Digital Microphone
US 08810220 B2, Aug. 19, 2014, With a specific feedback amplifier, Wenjing Wang et al. / Beijing KT Micro, Ltd. (Beijing, CN)
A power supply device, comprising: at least two cascaded low-dropout linear…

Switched-Mode Power Supply
US 08872497 B2, Oct. 28, 2014, With ramp generator or controlled capacitor charging, Heisuke Nakashima / Mitsumi Electric Co., Ltd. (Tokyo, JP)
A switched-mode power supply, comprising:…

Low Noise Current Buffer Circuit and I-V Converter
US 08749220 B2, June 10, 2014, Including parallel paths, Min-Hung Hu et al. / NOVATEK Microelectronics Corp. (Hsinchu Science Park, Hsin-Chu, TW)
A low noise current buffer circuit for reducing impact of noise of a system…

DC-DC Converter and Power Supplying System Using a DC-DC Converter
US 08664926 B2, March 4, 2014, Switched, Somei Nakatomi et al. / Honda Motor Co., Ltd. (Tokyo, JP)
A DC-DC converter comprising: a first input-output circuit; first and second…

Power Regulator, Control Circuit, and Method for Controlling Power Regulator
US 08587285 B2, Nov. 19, 2013, With ramp generator or controlled capacitor charging, Toru Miyamae / Fujitsu Semiconductor Limited (Yokohama, JP)
A power regulator, comprising:…

Switching Power Supply Apparatus
US 08581564 B2, Nov. 12, 2013, Switched, Hironori Sumitomo / Rohm Co., Ltd. (Kyoto, JP)
A switching power supply apparatus, comprising:…

Reference Voltage Generator Having a Two Transistor Design
US 08564275 B2, Oct. 22, 2013, To derive a voltage reference, Mingoo Seok et al. / The Regents of the University of Michigan (Ann Arbor, US)
A reference voltage generator comprising:…

PWM Control Circuit of a Converter and the Control Method Thereof
US 08536841 B2, Sept. 17, 2013, Switched, Yueh Mei Chiu
A pulse-width modulation (PWM) control circuit of a converter, comprising:…

Active Power Switch Topology for Switching Regulators
US 08513930 B2, Aug. 20, 2013, Switched, Hua Beng Chan et al. / Broadcom Corporation (Irvine, US)
A switching regulator for providing a regulated output voltage…

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