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