Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
08/2004
08/17/2004US6778418 Power-supply voltage frequency control circuit
08/17/2004US6778417 Electric-power supplying devices switching between a synchronous rectification and a diode rectification by gradually altering a switching pulse
08/17/2004US6778413 Asymmetric multi-converter power supply including a fast response converter
08/17/2004US6778412 Synchronous converter with reverse current protection through variable inductance
08/17/2004US6778410 DC-to-DC converter
08/17/2004US6778365 Charging circuit
08/17/2004US6778347 Load balancing circuit for a dual polarity power supply with single polarity voltage regulation
08/17/2004US6778003 Method and circuit for adjusting a voltage upon detection of a command applied to an integrated circuit
08/17/2004US6777919 Switched power supply converter for broad range of input voltages
08/17/2004US6777918 Voltage regulator providing multiple output voltages
08/17/2004US6777911 Charge transformer and method of implementation
08/17/2004US6777831 Power supply device, for supplying a controlled electrical signal in an operations such as plating, etching, etc.
08/12/2004WO2004068686A1 Power supply device
08/12/2004WO2004068685A1 Cuk converter with inductors and capacitors on both power lines
08/12/2004WO2004068617A2 Trench mosfet technology for dc-dc converter applications
08/12/2004WO2004047272A3 Power converter circuitry and method
08/12/2004WO2004006418A3 Medium for storing and reading information, and device for storing and reading of information on and from the medium
08/12/2004US20040158749 Power savings in a voltage supply controlled according to a work capability operating mode of an integrated circuit
08/12/2004US20040156220 Power supply
08/12/2004US20040156219 Digital control system and method for switched mode power supply
08/12/2004US20040156218 Multi-period cycle-alternative switching mode power supply control device
08/12/2004US20040156217 Single conversion power converter with hold-up time
08/12/2004US20040156216 Switching power supply apparatus and power supply control method
08/12/2004US20040155699 Capacitor charge sharing charge pump
08/12/2004US20040155691 Step-up circuits
08/12/2004US20040155640 Output regulator system and method
08/12/2004US20040155639 Current mode controlled switched mode power supply
08/12/2004US20040155637 Digital signal processor architecture optimized for controlling switched mode power supply
08/12/2004US20040155635 Stabilized power supply-use device, and switching power supply and electronic device using the same
08/12/2004US20040155615 Motor control apparatus
08/12/2004US20040155614 Drive assembly for a covering of an architectural opening
08/12/2004US20040155605 Power supply device for energizing discharge lamp
08/12/2004US20040155303 Power switching device
08/12/2004US20040154757 Power conversion unit and method of providing power to a window covering
08/12/2004DE10302991A1 Motor vehicle load supply circuit, especially for use with a dual voltage power supply, wherein the voltage to a load is adjusted using a pulse width modulation control unit
08/12/2004DE10302379A1 Pulsweitenmodulatorschaltung und Verfahren zur Ansteuerung einer Pulsweitenmo- dulartorschaltung Pulse width modulator circuit and method for driving a pulse-width dulartorschaltung
08/11/2004EP1445854A1 Power supply
08/11/2004EP1445852A2 Device and method for active power factor correction
08/11/2004EP1445785A2 An inductive load drive device
08/11/2004EP1444769A2 Multiple-output flyback converter
08/11/2004EP1444768A2 Method and device for transforming a direct current voltage, and use of said device
08/11/2004EP1012882A4 Multiple gated mosfet for use in dc-dc converter
08/11/2004EP0904545B1 Current and voltage sensing
08/11/2004CN1520633A Bidirectional flyback switch mode power supply (SMPS)
08/11/2004CN1520018A Current/voltage converter
08/11/2004CN1520017A Switching power source circuit
08/11/2004CN1520016A Switching power source circuit
08/11/2004CN1520015A Device for stabilovolt power source and switching power source device and electronic instrument using such device
08/11/2004CN1520014A 半导体装置 Semiconductor device
08/11/2004CN1520013A Switch-mode power supply device
08/11/2004CN1161982C Power supply for standby operation
08/11/2004CN1161875C Stable switching volage regulator
08/11/2004CN1161790C Charge pump cirucit
08/11/2004CN1161739C Material-feeding pump type power-supply circuit and drive device for display device using said circuit
08/10/2004US6775164 Three-terminal, low voltage pulse width modulation controller IC
08/10/2004US6775163 Dual input AC/DC to programmable DC output converter
08/10/2004US6775160 Dynamic DC source and load energy recycling power system
08/10/2004US6775156 Power limitation transformer circuit structure of power supply
08/10/2004US6775155 Method and apparatus for output voltage regulation in primary controlled switched mode power supplies
08/10/2004US6775141 Heat dissipation structure for use in combination with electronic circuit board
08/10/2004US6775115 Voltage conversion system and method and recording medium
08/10/2004US6774725 Power supply system for a high frequency power amplifier
08/10/2004US6774710 High precision charge pump regulation
08/10/2004US6774709 Voltage regulator for a charge pump circuit
08/10/2004US6774708 Voltage boosting circuit with two main charge pumps
08/10/2004US6774707 Charge pump circuits and methods
08/10/2004US6774612 Device and method for reducing DC/DC converter initial set-point error and margining error
08/10/2004US6774611 Circuits and methods for synchronizing non-constant frequency switching regulators with a phase locked loop
08/10/2004US6774507 Reliable DC power supply
08/05/2004WO2004066497A1 Comparator circuit, power supply circuit, integrated circuit, dc-dc converter, and flat display
08/05/2004WO2004066481A2 Device and method for transmitting and proving the energy of capacitive actuators
08/05/2004WO2004066480A1 Switching power supply circuit
08/05/2004WO2004066479A1 Electrical converter for converting electrical power
08/05/2004WO2004066478A1 A charge pump circuit
08/05/2004WO2004065198A2 Pulse-width modular circuit and method for controlling a pulse-width modular circuit
08/05/2004US20040151010 Multiple stage switch circuit
08/05/2004US20040150934 Adapter
08/05/2004US20040150928 Digitally controlled voltage regulator
08/05/2004US20040150463 Semiconductor device having a boosting circuit to supress current consumption
08/05/2004US20040150379 Switching power source circuit and electronic device using the same
08/05/2004US20040150378 Switching voltage regulator
08/05/2004US20040150377 Power system having a power factor correction circuit
08/05/2004US20040150265 Power supply device
08/05/2004US20040150264 Electric power supply unit and electric power supply controlling method
08/05/2004DE10301978A1 Vorrichtung und Verfahren zum Übertragen und Bereitstellen der Energie kapazitiver Aktuatoren Apparatus and method for transmitting and providing the power of capacitive actuators
08/05/2004DE10301503A1 Stromversorgungseinrichtung A power supply device
08/05/2004DE10152270B4 Schaltungsanordnung zur Entladung eines Bufferkondensators Circuit arrangement for the discharge of a buffer capacitor
08/04/2004EP1443633A2 Switching power supply circuit and control method therefor
08/04/2004EP1442511A1 Method and apparatus for near losslessly measuring inductor current
08/04/2004EP1442354A1 Power supply system and electronic device comprising the same
08/04/2004EP1350305B1 Step-down converter
08/04/2004CN2631116Y Portable energy-saving switch power source
08/04/2004CN2630815Y 温度检测构造和电子装置 Temperature detection structure and the electronic apparatus
08/04/2004CN1518201A Power-supply device for power supplying to discharge lamp
08/04/2004CN1518200A Switching power supply unit
08/04/2004CN1518199A Switch power circuit and electronic equipment using it
08/04/2004CN1518198A DC-DC voltage switch change regulator of low cost, wide input range
08/04/2004CN1518107A Semiconductor device and IC card carried the device
08/04/2004CN1161006C Preconditioner
08/04/2004CN1160861C Producing negative voltage by using reference voltage