Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
11/2008
11/12/2008EP1990904A2 Power supply apparatus for a plasma display device
11/12/2008EP1990903A2 Method and apparatus for controlling the maximum output power of a power converter
11/12/2008EP1990902A1 Bidirectional dc-dc converter
11/12/2008EP1990901A2 Resonance type electric power conversion apparatus and method
11/12/2008EP1990884A1 Power supply apparatus and control method therefor
11/12/2008EP1590883B1 Dc/dc bridge for controlling a direct-current load
11/12/2008CN201150034Y Switch power supply for frequency convertor
11/12/2008CN201150033Y Power adapter
11/12/2008CN201150032Y Printer drive plate power supply
11/12/2008CN201150031Y Switch power supply
11/12/2008CN201150030Y Low noise DC step-down circuit
11/12/2008CN101305513A Switching power supply circuit and surge absorbing circuit
11/12/2008CN101304218A LLC resonance oscillation semi-bridge switch power supply output circuit for shunt-wound a plurality of homology transformers
11/12/2008CN101304217A Switch power supply for chain type convertor power unit controller
11/12/2008CN101304216A Switch control apparatus
11/12/2008CN101304215A DC/DC circuit
11/12/2008CN101304214A Synchronous rectification switch regulator
11/12/2008CN101304213A Pressure-boosting convertor
11/12/2008CN101304212A Voltage conversion apparatus capable of hoisting voltage conversion efficiency
11/12/2008CN101304211A Switch power supply device
11/12/2008CN101304210A Method and circuit for diagnosing Boost convertor electromagnetic interference mechanism
11/12/2008CN101303823A Circuit for providing voltage and correlation technique thereof
11/12/2008CN100433557C Integrated floating power transfer device with electromagnetic emission control circuit and method
11/12/2008CN100433524C Digital high-quality active power factor correction method and its device, IC
11/12/2008CN100433520C Switching control device for primary side control output current of power supply
11/12/2008CN100433519C Switch mode power supply
11/12/2008CN100433518C Circuit for raising unbalance of multi-output power source loads
11/12/2008CN100433517C Switching power supply unit
11/12/2008CN100433516C Piezoelectric transformer driving apparatus
11/12/2008CN100433515C Charge pump device
11/12/2008CN100433514C Power supply circuit including stably operating voltage regulators
11/11/2008US7450987 Systems and methods for precharging circuitry for pulse generation
11/11/2008US7450404 Switching power supply and ZVS method thereof
11/11/2008US7450403 Switching power supply utilizing switch-selectable resistors to determine output voltage
11/11/2008US7450402 Soft switching high efficiency flyback converter
11/11/2008US7450401 Bidirectional DC/AC inverter
11/11/2008US7450390 Programmable power supply
11/11/2008US7449944 Internal voltage generator
11/11/2008US7449866 Booster that utilizes energy output from a power supply
11/11/2008US7449798 Co-generated power supply system
11/11/2008US7449777 Circuit arrangement comprising a power component and a drive circuit integrated in two semiconductor bodies
11/11/2008US7449259 Power converter architecture and method for integrated fuel cell based power supplies
11/06/2008WO2008134107A1 Implantable drug delivery device with programmable rate capacitor charge control
11/06/2008WO2008134092A1 Residual energy recovery in a drug delivery device
11/06/2008WO2008133859A2 Step-down switching regulator with freewheeling diode
11/06/2008WO2008133143A1 Illumination lamp ignition device and lighting device
11/06/2008WO2008132810A1 Inductance element, method for manufacturing the inductance element and switching power supply using the inductance element
11/06/2008WO2008132658A1 Self-oscillating switch circuit and a driver circuit comprising such a switch circuit
11/06/2008WO2008132652A1 Self-oscillating switch circuit for use in a switching dc-dc-converter
11/06/2008WO2008132512A1 Power converters
11/06/2008WO2008132501A2 Switching power converters
11/06/2008WO2008132401A2 Device for balancing the power supplied by power generators
11/06/2008WO2008132318A2 Active filtering device for a power supply
11/06/2008WO2008131545A1 A buffer comprising a voltage level shifting circuit
11/06/2008WO2008062377A3 Miniaturised generator for the production of electrical energy from vibrations
11/06/2008WO2004102045A3 Booster-powered valve system
11/06/2008US20080273357 Semiconductor device
11/06/2008US20080273355 Dual output programmable power supply
11/06/2008US20080273354 Power Supply
11/06/2008US20080273125 Separately-excited inverter circuit and liquid crystal television
11/06/2008US20080272759 DC converter with halt mode setting means
11/06/2008US20080272650 XDSL CPE and power system thereof
11/06/2008DE202008009170U1 Hochleistungsnetzteil High Performance Power Supply
11/06/2008DE112006002875T5 LED-Beleuchtungsvorrichtung und diese verwendende Fahrzeuglicht-Beleuchtungsvorrichtung LED lighting device and use this vehicle light illumination device
11/06/2008DE10250155B4 Schaltnetzteil Switching power supply
11/06/2008DE102004034028B4 Einrichtung zur Speicherung von elektrischer Energie Means for storing electric energy
11/06/2008CA2686701A1 A buffer comprising a voltage level shifting circuit
11/06/2008CA2684882A1 A lamp ballast and an illumination apparatus
11/05/2008EP1988625A2 Power supply apparatus having multiple outputs
11/05/2008EP1988624A2 Pulse adding scheme for smooth phase dropping at light load conditions for multiphase voltage regulators
11/05/2008EP1988623A2 D. c. converter, speaker apparatus and d. c. converter control method
11/05/2008EP1987582A2 Two terminals quasi resonant tank circuit
11/05/2008EP1546835A4 Modular charge pump architecture
11/05/2008EP1504517B1 Method of regulated resonance dc-dc voltage conversion
11/05/2008EP1419028B1 Electric arc welder for variable ac input
11/05/2008EP1357597B1 Voltage converter module
11/05/2008EP1118149B1 A dc/dc buck-boost converter
11/05/2008CN201146468Y Active clamping alternation parallel boosted voltage type convertor
11/05/2008CN201146467Y Anti-interference high-power switch power supply
11/05/2008CN201146466Y Power supplier with zero switching voltage
11/05/2008CN201146465Y Frequency converter circuit with compensation mechanism
11/05/2008CN201146464Y Power supply conversing device
11/05/2008CN201146463Y Two-in-one voltage-releasing voltage stabilizer
11/05/2008CN201146462Y Voltage generating circuit
11/05/2008CN201145716Y Energy-saving apparatus for making switch power supply
11/05/2008CN201143590Y Inversion welding source
11/05/2008CN101300725A Driver for vehicle
11/05/2008CN101299576A Parameter control circuit and method for forming the circuit
11/05/2008CN101299575A Power supply equipment having multi outputs
11/05/2008CN101299546A Solar power plant
11/05/2008CN100431251C Negative current compensation method and circuit
11/05/2008CN100431250C Isolated DC transducer of side edge clamp
11/05/2008CN100431249C Difference sum dc-dc converter and method thereof
11/05/2008CN100431248C Semiconductor integrated circuit equipment
11/05/2008CN100431238C Method of, and circuit for, controlling the discharge of a bettery
11/04/2008US7447601 Power supply controller method and structure
11/04/2008US7447049 Single ended flyback power supply controllers with integrator to integrate the difference between feedback signal a reference signal
11/04/2008US7447048 Switching power supply circuit
11/04/2008US7447047 Post regulation control circuit of power supply
11/04/2008US7446521 DC DC voltage boost converter