| Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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| 08/19/2009 | CN201294395Y Power supply circuit and mobile communication terminal for providing large triggering power |
| 08/19/2009 | CN201293799Y Power supply line for test |
| 08/19/2009 | CN101513124A Resonant driver with low-voltage secondary side control for high power LED lighting |
| 08/19/2009 | CN101512892A Method and apparatus |
| 08/19/2009 | CN101512886A Adaptation circuit for controlling a conversion circuit |
| 08/19/2009 | CN101512885A High voltage power supply |
| 08/19/2009 | CN101512884A Power supply system and vehicle equipped with that power supply system |
| 08/19/2009 | CN101512883A Converter control device |
| 08/19/2009 | CN101512457A Power supply device |
| 08/19/2009 | CN101512456A Electronic system, electronic device and power supply device |
| 08/19/2009 | CN101510730A Power converter and system for controlling multi power converters |
| 08/19/2009 | CN101510729A DC switch power supply converter with double modes |
| 08/19/2009 | CN101510728A Charge pump and CMOS image sensor |
| 08/19/2009 | CN101510727A Capacitor with direct DC connection to substrate |
| 08/19/2009 | CN101510726A Passive clamping voltage boosting type interleave parallel connection converter implemented by coupling inductance and switch capacitance |
| 08/19/2009 | CN101510725A Detection and control scheme for current output of up-down voltage power current converter |
| 08/19/2009 | CN101510724A Low voltage output circuit |
| 08/19/2009 | CN101510723A Multi-set DC laden current balance power supply circuit |
| 08/19/2009 | CN101510721A Single inductance switch DC voltage converter and three mode control method |
| 08/19/2009 | CN101510103A Secondary voltage relief switch stable voltage power source |
| 08/19/2009 | CN100530926C System and method for convertor |
| 08/19/2009 | CN100530922C Switching converter |
| 08/19/2009 | CN100530921C Flyback pulse width modulation device with power-saving mode |
| 08/19/2009 | CN100530920C Linear predictive system and method for DC-DC converter |
| 08/19/2009 | CN100530919C Single chip high frequency DC-DC converter |
| 08/19/2009 | CN100530918C Dc-dc converter and control method thereof |
| 08/19/2009 | CN100530917C DC-DC converter and its control method, and switching regulator and its control method |
| 08/19/2009 | CN100530916C Step-up type DC-DC converter and method for controlling the same |
| 08/19/2009 | CN100530915C Programmable inductor current control for DC-DC converters |
| 08/19/2009 | CN100530412C Inner storage voltage supply circuit with protecting circuit |
| 08/19/2009 | CN100530040C Main-board power-supply control-board |
| 08/18/2009 | US7577223 Multiplexed RF isolator circuit |
| 08/18/2009 | US7577008 Converter circuit comprising distributed energy stores |
| 08/18/2009 | US7577006 Non-linear droop control system and method for isochronous frequency operation |
| 08/18/2009 | US7577004 Switching regulator and image forming apparatus and its control method |
| 08/18/2009 | US7577003 Switching power supply |
| 08/18/2009 | US7576735 Power circuit applying AC voltage and DC voltage to respective terminals of a capacitor, for outputting AC voltage shifted in accordance with the DC voltage |
| 08/18/2009 | US7576523 Power supply circuit and semiconductor memory |
| 08/18/2009 | US7576299 Generator for arc welder with high power factor |
| 08/13/2009 | WO2009099865A1 Delta sigma modulator with unavailable output values |
| 08/13/2009 | WO2009099056A1 Envelope tracking power supply circuit and high-frequency amplifier including envelope tracking power supply circuit |
| 08/13/2009 | WO2009098950A1 Oscillation frequency control circuit, and dc-dc converter and semiconductor device having the same |
| 08/13/2009 | WO2009098948A1 Electric vehicle, and method for cooling vehicular dc/dc-converter |
| 08/13/2009 | WO2009098640A1 Method of operating a resonant power converter and a controller therefor |
| 08/13/2009 | WO2009097769A1 Power supply management method, device and terminal |
| 08/13/2009 | WO2009073582A3 Multiphase grid synchronized regulated current source inverter systems |
| 08/13/2009 | WO2009012451A3 Power supply for a data center |
| 08/13/2009 | US20090201701 Compensation for parameter variations in a feedback circuit |
| 08/13/2009 | US20090201700 Dc conversion apparatus |
| 08/13/2009 | US20090201002 Load Driving Device and Portable Apparatus Utilizing Such Driving Device |
| 08/13/2009 | US20090200962 Power supply apparatus |
| 08/13/2009 | US20090200874 Semiconductor integrated circuit device |
| 08/13/2009 | DE102008007864A1 Voltage transformer circuit for converting variable input voltage into stabilized output direct current voltage utilized by electrical load, has switching elements synchronously controlled such that elements are simultaneously closed |
| 08/13/2009 | DE102007058612A1 Stromversorgungsanordnung mit Überwachung der Sekundärspannung Power supply arrangement with monitoring of the secondary voltage |
| 08/13/2009 | DE10030795B4 Gleichspannungswandlerschaltung DC-DC converter circuit |
| 08/13/2009 | CA2751225A1 Electromagnetic field energy recycling |
| 08/12/2009 | EP2088667A1 DC-DC converter for low-power electronic circuit |
| 08/12/2009 | EP2088666A1 DC-DC converter for low-power electronic circuit |
| 08/12/2009 | CN201290072Y Singlechip control system of arc welder soft switch inversion welding source |
| 08/12/2009 | CN201290071Y Switch power circuit of liquid crystal television |
| 08/12/2009 | CN201290067Y DC-DC converter for mixing power vehicle |
| 08/12/2009 | CN201289524Y Self-adapting, high-efficiency, energy-saving parallel-in feedback type electronic load |
| 08/12/2009 | CN101507111A Multi-function passive frequency mixer |
| 08/12/2009 | CN101507091A Power supply circuit and power supply system |
| 08/12/2009 | CN101507090A Multiple output multiple topology voltage converter |
| 08/12/2009 | CN101505108A Synchronous rectifying control device and forward type synchronous rectification circuit |
| 08/12/2009 | CN101505105A Control arrangement for a resonant mode power converter |
| 08/12/2009 | CN101505104A Symmetrical rectifying circuit having output current ripple cancellation function |
| 08/12/2009 | CN101505103A Switch power converter and system for controlling a plurality of the same |
| 08/12/2009 | CN101505102A Switch power converter and system for controlling a plurality of the same |
| 08/12/2009 | CN101505101A Switch power converter and system for controlling a plurality of the same |
| 08/12/2009 | CN101505100A Switch power converter and system for controlling a plurality of the same |
| 08/12/2009 | CN101505099A Switch power converter and system for controlling a plurality of the same |
| 08/12/2009 | CN101505098A Multi-stage pulse sequence control method of pseudo-continuous working mode and apparatus thereof |
| 08/12/2009 | CN101505097A Voltage regulator with compensation and the method thereof |
| 08/12/2009 | CN101505096A Pulse width frequency modulation mode DC/DC boosting circuit |
| 08/12/2009 | CN101505095A Quasi-resonance three-level soft switch boosting type converter with expanded period |
| 08/12/2009 | CN101505094A Electric power supply module for portable equipment |
| 08/12/2009 | CN101505093A Multipath output electrical power suitable for space environment |
| 08/12/2009 | CN101505092A Standby electrical power system of fuel cell for communication |
| 08/12/2009 | CN101505091A Voltage converting chip having BUCK and BOOST two types of working mode |
| 08/12/2009 | CN101505090A Control arrangement for a pfc power converter |
| 08/12/2009 | CN101505067A Hard disk power supply system, hard disk switching board and a method for hard disk power supply |
| 08/12/2009 | CN100527038C Time discrete control of a continuous quantity |
| 08/11/2009 | US7574617 Electronic device and control method thereof |
| 08/11/2009 | US7573731 Active-clamp current-source push-pull DC-DC converter |
| 08/11/2009 | US7573730 Charging device with boundary mode control |
| 08/11/2009 | US7573729 Resonant power LED control circuit with brightness and color control |
| 08/11/2009 | US7573320 High voltage generating circuit preserving charge pumping efficiency |
| 08/11/2009 | US7573319 High voltage generating circuit preserving charge pumping efficiency |
| 08/11/2009 | US7573249 Power array system and method |
| 08/06/2009 | WO2009096073A1 Dc-dc converter |
| 08/06/2009 | WO2009095836A2 Electronic driver circuit and method |
| 08/06/2009 | WO2009042419A4 Voltage/current control apparatus and method |
| 08/06/2009 | US20090196076 Integrated base driver and switching windings for an esbt power driver |
| 08/06/2009 | US20090196075 Fly-forward converter power supply |
| 08/06/2009 | US20090196074 Resonant Converter |
| 08/06/2009 | US20090196073 Switching power supply unit |
| 08/06/2009 | US20090196072 Phase-shifted dual-bridge DC/DC converter with wide-range ZVS and zero circulating current |
| 08/06/2009 | US20090195229 Method and apparatus for reducing audio noise in a switching regulator |