Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
10/2006
10/18/2006CN1848640A Plasma display device, power device thereof, and driving method thereof
10/18/2006CN1848639A Buck converter having improved transient response to load step down
10/18/2006CN1848638A Switching power source device
10/18/2006CN1848637A DC voltage converter with several isolated regulated outputs
10/18/2006CN1848636A DC voltage converter with soft switching
10/18/2006CN1848635A Multiple circuit of program controllable regulation output voltage
10/18/2006CN1848634A POL system architecture with analog bus
10/18/2006CN1848599A Conversion device with power factor correcting and DC-DC conversion function
10/18/2006CN1848592A Sense amplifier, method for wake-up charging current and electronic device
10/18/2006CN1848257A Drive apparatus
10/18/2006CN1280988C Power-supply operation circuit with improved driving circuit
10/18/2006CN1280976C Switch power supply unit
10/18/2006CN1280975C Electronic transformer
10/18/2006CN1280974C Simple boost device of level shift circuit including allowable low breakdown voltage
10/17/2006USRE39341 Apparatus for lighting fluorescent lamp
10/17/2006US7123490 Synchronous rectifying switching power source circuit
10/17/2006US7123489 Variable-frequency flyback converter with synchronous rectification function
10/17/2006US7123488 DC/DC converter including a Zener diode having a substantially zero temperature coefficient
10/17/2006US7123121 Method and apparatus for substantially reducing electrical displacement current flow between input and output windings of an energy transfer element
10/17/2006US7123079 High voltage generator in semiconductor memory device
10/17/2006US7123078 Boosting voltage control circuit
10/17/2006US7123067 Voltage-change control circuit and method
10/12/2006WO2006108020A1 Energy storage apparatus and related method
10/12/2006WO2006107692A1 Apparatus and method for virtually shielding a synchronous switching regulator
10/12/2006WO2006107688A2 Solid state switching circuit
10/12/2006WO2006106989A1 Rectifying circuit and voltage converting circuit
10/12/2006WO2006106417A1 Circuit for the generation of two symmetrical buses of tension with respect to the negative of the feeding tension
10/12/2006WO2006106040A1 Method for operating a switched mode power supply with the recovery of primary scattered energy
10/12/2006US20060227580 Programmable power supply
10/12/2006US20060227577 DC-DC converter
10/12/2006US20060227576 Switching power supply circuit
10/12/2006US20060227487 Driver for inductive load
10/12/2006DE19635261B4 Integrierte Softstart-Impulsbreitenmodulations-Schaltung Integrated soft-start pulse width modulation circuit
10/12/2006DE112004002213T5 Leistungswandler mit verbesserter Steuerung/Regelung Power converter with improved control / regulation
10/12/2006DE102006015395A1 Lasttreibervorrichtung und -Verfahren Load driving apparatus and method
10/12/2006DE102005016349A1 Pull-pull ladder circuit for e.g. DC/DC converter, has n-channel and p-channel field effect transistors connected in rows, where one transistor is connected with higher voltage potential and another transistor with lower voltage potential
10/12/2006DE102005016047A1 Umschaltbarer Spannungswandler Switchable voltage converter
10/12/2006DE102005014043A1 XRAM-Generator mit Öffnungsschalter XRAM generator with opening switch
10/11/2006EP1710900A2 Switching power supply including a resonant converter
10/11/2006EP1710899A2 A power supply system and apparatus
10/11/2006EP1710898A2 Switchable voltage converter
10/11/2006EP1710897A2 Chopper output stage for arc welder power source
10/11/2006EP1710889A2 Battery charger for charging lithium-ion battery
10/11/2006EP1710888A1 Method and device for supplying a charge with electric energy recovery
10/11/2006EP1709726A1 Power converter and vehicle equipped with power converter
10/11/2006EP1709725A1 Transformer based voltage supply
10/11/2006EP1532726B1 Switching controller
10/11/2006CN2826488Y Voltage regulator circuit capable of anti-peak interference
10/11/2006CN1846346A Programmable power converter
10/11/2006CN1846338A 电源装置 Power supply unit
10/11/2006CN1845437A Flyback power converter
10/11/2006CN1845436A Method and device for controlling resonant transformer
10/11/2006CN1845435A Bidirectional multi-level soft switch DC/DC for superconducting energy storage and its voltage side phase-shift controlling method
10/11/2006CN1845434A Bidirectional three-level soft switch DC/DC for superconducting energy storage and its current side phase-shift controlling method
10/11/2006CN1845433A Bidirectional three-level soft switch DC/DC for superconducting energy storage and its voltage side pulse width controlling method
10/11/2006CN1845432A EP DC-DC boost pressure biasing circuit for sensor
10/11/2006CN1845431A Control circuit for carrying out current limitation on peak current controlled DC-DC transformer
10/11/2006CN1843677A Chopper output stage for arc welder power source
10/10/2006US7120038 Control system for a voltage converter
10/10/2006US7120036 Switching-mode power supply having a synchronous rectifier
10/10/2006US7120035 Inverter controller
10/10/2006US7120003 Circuit arrangement with power factor correction, as well as a corresponding appliance
10/10/2006US7119647 Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components without requiring additional windings
10/10/2006US7119629 Synchronized controlled oscillation modulator
10/10/2006US7119524 Control of DC/DC converters having synchronous rectifiers
10/10/2006US7119521 Multi-output DC-DC converter
10/10/2006US7119459 Intelligent switch for connecting power to a load
10/10/2006US7119311 Induction circuit for contactless power supply apparatus
10/05/2006WO2006104268A1 Voltage converting apparatus and vehicle
10/05/2006WO2006104195A1 Charging device
10/05/2006WO2006104194A1 Discharging device
10/05/2006WO2006103912A1 Switching regulator and electronic device having the same
10/05/2006WO2006103606A1 Control of a resonant converter
10/05/2006WO2006102931A1 Voltage converter apparatus and method therefor
10/05/2006WO2006102930A1 Electronic switch circuit, converter and method of operation
10/05/2006WO2006102929A1 Dc-dc converter soft start circuit using duty cycle limiting
10/05/2006WO2006086674A3 Compensation circuit
10/05/2006WO2006040695A3 Converter circuit with improved efficiency
10/05/2006US20060221656 Electric power converter
10/05/2006US20060221653 Multilevel converter based intelligent universal transformer
10/05/2006US20060221652 DC voltage converter with soft switching
10/05/2006US20060221651 Solid state switching circuit
10/05/2006US20060221650 DC-DC converter
10/05/2006US20060221649 Multi-output type DC/DC converter with a constant on time interval in a steady state
10/05/2006US20060221648 Modified high-efficiency phase shift modulation method
10/05/2006US20060221647 Converter having a plurality of channels
10/05/2006US20060221526 Protection circuit for a power supply unit, and power supply unit with a respective protection circuit
10/05/2006US20060220777 Magnetic element and power supply
10/05/2006US20060220621 Circuit arrangement and method for controlling a pulsed power supply
10/05/2006US20060220489 Armature in rotating electric machine and manufacturing method thereof
10/05/2006DE102005062903A1 Multi-output type DC to DC converter has switch for shifting between circuit interruption mode and continuous current mode
10/05/2006DE102005062902A1 Multi-output type DC/DC converter e.g. current transformer, has control circuit which exhibits switching time interval in each time slot, where interval is constant in stationary condition irrespective of intensity of loads
10/05/2006DE102005014746A1 Aktive primärseitige Schaltungsanordnung für ein Schaltnetzteil Active primary side circuit for a switching power supply
10/04/2006EP1708347A1 Current-limited multi-output converter with cascated commutation
10/04/2006EP1708346A2 Active primary side circuit for a switch mode power supply
10/04/2006EP1708345A2 Voltage regulator
10/04/2006EP1708344A2 Method and circuit arrangement for regulating a switch mode power supply
10/04/2006EP1708343A2 Power supply apparatus, and image forming apparatus having the same
10/04/2006CN2824431Y Ultramicro power consumption stand-by circuit of single polar remote-switch
10/04/2006CN2824421Y Multi-channel output integrated power