Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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04/25/2007 | CN1953307A Device for the power factor correction in forced switching power supply units |
04/25/2007 | CN1953203A High-breakdown voltage semiconductor switching device and switched mode power supply apparatus using the same |
04/25/2007 | CN1312842C Switching circuit and voltage measuring circuit |
04/25/2007 | CN1312835C DC-DC convertor containing synchronous rectitication drive circuit |
04/25/2007 | CN1312834C Circuit arrangement comprising a power supply unit |
04/25/2007 | CN1312833C D.C. Voltage conversion electric appliance |
04/25/2007 | CN1312772C Semiconductor device and its mfg. method |
04/24/2007 | US7209770 Power supply IC having switching regulator and series regulator |
04/24/2007 | US7209374 Capacitor-input positive and negative power supply circuit |
04/24/2007 | US7209372 Flyback converter with synchronous rectifier |
04/24/2007 | US7209371 Method and apparatus for extending the operating range of a flyforward converter |
04/24/2007 | US7209370 Circuit for reducing losses at light load in a soft switching full bridge converter |
04/24/2007 | US7209369 Switching power supply circuit |
04/24/2007 | US7209335 Switching power supply apparatus and electric applianance therewith |
04/24/2007 | US7208997 Charge pump power supply circuit |
04/24/2007 | US7208996 Charge pump circuit |
04/24/2007 | US7208995 Charge pump circuit and amplifier |
04/24/2007 | US7208985 Semiconductor device for controlling switching power supply |
04/24/2007 | US7208928 Oscillatorless DC-DC power converter |
04/24/2007 | US7208926 Switching signal modulation circuit |
04/24/2007 | US7208921 DC-DC regulator with switching frequency responsive to load |
04/24/2007 | US7208920 Buck/boost power converter |
04/24/2007 | US7208851 Circuit arrangement for the reliable switching of electrical circuits |
04/19/2007 | WO2007044583A1 Low loss switching mode power converter operating in both ccm and dcm |
04/19/2007 | WO2007044378A1 Adjustable voltage regulator system, particularly for dsp |
04/19/2007 | WO2007041898A1 Apparatus and method thereof for measuring output current from primary side of power converter |
04/19/2007 | WO2007041897A1 Control circuit for controlling output current at the primary side of a power converter |
04/19/2007 | WO2007041896A1 Switching control circuit with variable switching frequency for primary-side-controlled power converters |
04/19/2007 | WO2007041895A1 Switching control circuit having off-time modulation to improve efficiency of primary-side controlled power supply |
04/19/2007 | WO2007041894A1 Switching control circuit for primary-side controlled power converters |
04/19/2007 | WO2007041893A1 Close-loop pwm controller for primary-side controlled power converters |
04/19/2007 | WO2007041729A1 Battery charging device, method for operating such a battery charging device and power converter |
04/19/2007 | WO2006107688A3 Solid state switching circuit |
04/19/2007 | US20070086220 Circuit boards, power adapters and notebook computers for reducing EMI characteristics |
04/19/2007 | US20070086219 Switching power supply circuit |
04/19/2007 | US20070086218 Switching power source apparatus |
04/19/2007 | US20070086217 DC/AC convert for driving cold cathode fluorescent lamp |
04/19/2007 | US20070086216 Bidirectional insulated DC/AC inverter |
04/19/2007 | US20070085599 Potential Detector and Semiconductor Integrated Circuit |
04/19/2007 | DE102006042391A1 Schaltregler mit Überstromschutz Switching regulator overcurrent protection |
04/19/2007 | DE102006041545A1 Serienresonanz-DC-DC-Wandler Series resonant DC-DC converter |
04/19/2007 | DE102005048195A1 Integrierte Halbleiterschaltung mit einer Spannungspumpe und Verfahren zum Betreiben einer integrierten Halbleiterschaltung mit einer Spannungspumpe A semiconductor integrated circuit with a voltage pump and method of operating a semiconductor integrated circuit with a voltage pump |
04/19/2007 | DE102005045889A1 Mehrphasiger Gleichstromsteller und Verfahren zum Betreiben eines mehrphasigen Gleichstromstellers Multi-phase DC-DC converter and method of operating a polyphase DC chopper |
04/18/2007 | EP1775827A1 Control device for a switching converter |
04/18/2007 | EP1775826A1 Dc-dc converter |
04/18/2007 | EP1774642A1 Converter for providing several output voltages |
04/18/2007 | EP1604264A4 Voltage set point control scheme |
04/18/2007 | EP1481466A4 Ac-dc converter with low ripple output |
04/18/2007 | CN2891471Y Impulse high voltage line |
04/18/2007 | CN2891468Y Novel power-saving controllable DC transformer |
04/18/2007 | CN2891467Y Central power supply unit |
04/18/2007 | CN1950997A Resonant switching power supply device |
04/18/2007 | CN1950996A Switching power supply apparatus |
04/18/2007 | CN1950995A DC/DC converter |
04/18/2007 | CN1950981A Overcurrent detecting circuit and power supply device provided with it |
04/18/2007 | CN1950914A A wireless powering device, an energizable load, a wireless system and a method for a wireless energy transfer |
04/18/2007 | CN1949643A Semiconductor high-frequency switch frequency-change current change converting circuit |
04/18/2007 | CN1949642A Digital switch power amplifier for magnetic suspension flywheel magnetic bearing system |
04/18/2007 | CN1949120A Regulating apparatus of output voltage |
04/18/2007 | CN1311618C Switching power source device |
04/18/2007 | CN1311605C Wire or wireless system for power tool and method for power supply |
04/17/2007 | US7206343 High resolution digital pulse width modulator for DC-DC voltage converter |
04/17/2007 | US7206210 Power supply control loop with multiple leveling modes |
04/17/2007 | US7206209 Switching power supply apparatus with error amplification control |
04/17/2007 | US7206208 Synchronous rectifying control circuit |
04/17/2007 | US7205989 Power supply voltage converting circuit control method thereof display apparatus and portable terminal |
04/17/2007 | US7205877 Method and apparatus for transferring energy in a power converter circuit |
04/17/2007 | US7205821 Driver for switching circuit and drive method |
04/17/2007 | US7205754 Method and apparatus for a switch mode power supply that generates a high pulse width modulation gain while maintaining low noise sensitivity |
04/17/2007 | US7205750 Power supply for positive and negative output voltages |
04/17/2007 | US7205728 Active matrix liquid crystal display |
04/17/2007 | US7205727 Power supply circuit and power supply control method therein |
04/12/2007 | WO2007040814A1 Switching regulator duty cycle control in a fixed frequency operation |
04/12/2007 | WO2007040513A1 Synchronous rectifier |
04/12/2007 | WO2007040227A1 Multi-output switching power supply device |
04/12/2007 | WO2007039862A2 Driver circuit arrangement |
04/12/2007 | US20070081368 Current Source Wave Voltage Inverter Voltage-Clamping and Soft-Switching Techniques, and Fuel Cell System using the same |
04/12/2007 | US20070081366 Capacitive coupling assisted voltage switching |
04/12/2007 | US20070081365 Switching power supply circuit |
04/12/2007 | US20070081364 Highly efficient isolated AC/DC power conversion technique |
04/12/2007 | US20070080771 Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components |
04/12/2007 | US20070080671 Load adaptive power converter |
04/12/2007 | DE10302136B4 Lastansteuerung Load control |
04/11/2007 | EP1772950A2 Switching power supply circuit |
04/11/2007 | EP1771934A2 Control of power breakers |
04/11/2007 | EP1771665A1 Method of controlling microvalve actuator |
04/11/2007 | EP1620879A4 Dc-dc converter implemented in a land grid array package |
04/11/2007 | EP0935843B1 Low power stand-by for switched-mode power supply circuit with burst mode operation |
04/11/2007 | CN2888736Y Soft switching power converter with energy-saving circuit for light load operation |
04/11/2007 | CN2888654Y Hanging conversion device of storage battery |
04/11/2007 | CN1947330A 可编程无线收发器 Programmable wireless transceivers |
04/11/2007 | CN1945948A Synchronous rectifying circuit of power converter |
04/11/2007 | CN1310412C Method and circuit for driving high-side and low-side switching devices |
04/11/2007 | CN1310411C High-frequency high-power multi-waveform power supply for differential arc oxidization |
04/11/2007 | CN1310410C Electric charge pumping circuit having time pulse multiplication and process thereof |
04/11/2007 | CN1310409C DC/DC boosting transition device |
04/10/2007 | US7203080 DC converter |
04/10/2007 | US7203077 Resonant charge power supply topology for high pulse rate pulsed power systems |
04/10/2007 | US7203041 Primary side turn-off of self-driven synchronous rectifiers |
04/10/2007 | US7202718 Error-compensated charge pump circuit, and method for producing an error-compensated output current from a charge pump circuit |