Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
06/2011
06/29/2011EP2339731A2 Pulse signal generating circuitry, high-voltage power supplying apparatus and image forming apparatus having the same
06/29/2011EP2339730A1 Earthable DC/DC-converter
06/29/2011EP2339729A1 Circuit system and control method thereof
06/29/2011EP2339728A2 Charging circuit and amplifier
06/29/2011EP2339637A1 Power MOSFET device and method of making the same
06/29/2011EP2338225A1 Energy recovery device in a variable-frequency drive
06/29/2011EP2338222A1 Power converter
06/29/2011CN201887991U Module integrated, high-efficiency and high-power LED (light-emitting diode) driving power supply circuit
06/29/2011CN201887981U Driving power supply of LED lamp
06/29/2011CN201887683U RN solar power supply device
06/29/2011CN201887674U Simple regulated power supply
06/29/2011CN201887673U Power supply system of intelligent concentrator
06/29/2011CN201887672U High-power power electronic transformer based on fault-tolerant design
06/29/2011CN201887664U Magnetic isolation feedback circuit of switch power supply
06/29/2011CN201887663U Low-power-consumption-application-oriented dynamic voltage regulation system
06/29/2011CN201887662U High-stability controller for ultra-high voltage DC high voltage generator
06/29/2011CN201887661U Switching power supply for electromagnetic oven and high-frequency mutual inductor for same
06/29/2011CN201887660U LPC switch power supply circuit and air conditioner with same
06/29/2011CN201887659U Test current regulating device
06/29/2011CN201887658U Control circuit for direct current
06/29/2011CN201887657U High-low voltage converting power supply circuit adopting triode series connection structure
06/29/2011CN201887656U Negative-voltage charge pump power circuit realized only by aid of low-voltage MOS (metal oxide semiconductor) transistors
06/29/2011CN201887655U Electronic mutual inductor
06/29/2011CN201887654U Miniaturized high-efficiency power supply device
06/29/2011CN201887536U Direct-current power supply capable of controlling power-down retention time
06/29/2011CN201880600U High-frequency and high-voltage power supply for electric precipitator
06/29/2011CN1781168B Apparatus for supplying energy to a load and a related system
06/29/2011CN102113199A Circuitry for power limiting of electronic assembly
06/29/2011CN102111943A Electronic hid ballast to power recessed can insulation detector
06/29/2011CN102111934A Light emitting diode driver
06/29/2011CN102111075A Voltage doubling rectifying push-pull normal shock converter
06/29/2011CN102111074A Method and device for reducing switching loss of phase-shifting full-bridge converter
06/29/2011CN102111073A Flyback voltage converting circuit
06/29/2011CN102111072A Multiple-output power supply unit and image forming apparatus having the power supply unit
06/29/2011CN102111071A DC-DC converter and controlling method thereof, and display device using the same
06/29/2011CN102111070A Standby current-reduced regulator over-voltage protection circuit
06/29/2011CN102111069A Charge pump structure and startup method of charge pump
06/29/2011CN102111068A Circuit structure of charge pump and starting method of charge pump
06/29/2011CN102111067A Regulator including hysteretic control
06/29/2011CN102111066A Energy-saving electronic device as well as power control system of cooling fan and control method
06/29/2011CN102111065A Power factor corrector
06/29/2011CN102111008A High-voltage battery charging system architecture of electric automobile
06/29/2011CN102110676A Semiconductor device and dc-to-dc converter
06/29/2011CN102110358A Gas water heater communication system with remote controller power supply
06/29/2011CN101777553B Power transistor chip with built-in junction field effect transistor and application circuit thereof
06/29/2011CN101667775B Converter and control method thereof
06/29/2011CN101533284B Voltage regulating device
06/29/2011CN101521462B Switch power supply circuit
06/29/2011CN101499724B Controller applied for resonance type DC/DC converter
06/29/2011CN101488719B Synchronous rectifying driver circuit suitable for voltage-multiplying rectifying
06/29/2011CN101399497B Electric power circuit
06/29/2011CN101316071B Adjustable multipurpose power source
06/29/2011CN101188380B Circuits and methods for controlling a converter
06/28/2011US7969756 Real-time switching regulator monitor
06/28/2011US7969754 Control circuit for a switch unit of a clocked power supply circuit, and resonance converter
06/28/2011US7969753 Maintaining a constant output voltage by sampling and holding a voltage across an auxiliary winding
06/28/2011US7969752 Switching power supply device using current sharing transformer
06/28/2011US7968822 Arc welding system
06/23/2011WO2011074977A2 Resonant circuit and resonant dc/dc converter
06/23/2011WO2011074976A2 Resonant circuit and resonant dc/dc converter
06/23/2011WO2011074908A2 Multiple, parallel zero-voltage-switching full-bridge dc/dc converter and a control method therefor
06/23/2011WO2011074846A2 Inverter circuit device for a welder and method for driving same
06/23/2011WO2011074680A1 Electric power extraction circuit and electric power supply system
06/23/2011WO2011074154A1 Dc-dc converter
06/23/2011WO2011074081A1 Dc-dc converter circuit
06/23/2011WO2011074027A1 Power supply device
06/23/2011WO2011073719A1 Method for controlling power supply of an electrically powered auxiliary and power supply system adapted to such a method
06/23/2011WO2011037708A3 Multiphase power converters, controllers and control methods
06/23/2011WO2011019701A3 Power factor correction with variable bus voltage
06/23/2011WO2011019700A3 System and method for power factor correction
06/23/2011US20110150523 Power supply and image forming apparatus
06/23/2011US20110150521 Power supply and image forming apparatus
06/23/2011US20110149616 Drive circuit for a synchronous rectifier and a method for controlling it
06/23/2011US20110149615 Method and apparatus for limiting maximum output power of a power converter
06/23/2011US20110149614 Dual mode flyback converter and method of operating it
06/23/2011US20110149613 Flyback converter utilizing boost inductor between ac source and bridge rectifier
06/23/2011US20110149612 Control Method and Controller with constant output current control
06/23/2011US20110149611 Bidirectional signal conversion
06/23/2011US20110149610 Bidirectional signal conversion
06/23/2011US20110149609 Bidirectional signal conversion
06/23/2011US20110149608 Electrical power converters and methods of operation
06/23/2011US20110149607 Controller for a Power Converter
06/23/2011US20110149606 Ac-to-dc converting circuit applicable to power-charging module
06/23/2011US20110148319 Power unit and lighting apparatus
06/23/2011CA2783800A1 Resonant circuit and resonant dc/dc converter
06/23/2011CA2783557A1 Resonant circuit and resonant dc/dc converter
06/22/2011EP2337209A2 DC power supply circuit
06/22/2011EP2337208A1 Variable frequency current-mode control for switched step up-step down regulators
06/22/2011EP2337207A2 Step-up and step-down DC-DC converter
06/22/2011EP2337206A1 Buck-boost switching regulator
06/22/2011EP2337205A1 Multi-level switching-mode power supply
06/22/2011EP2337204A2 Voltage regulator with gate resistor for improved efficiency
06/22/2011EP2337203A1 Circuit for a switch mode power supply
06/22/2011EP2337202A1 Switching voltage regulator and related feed-forward control method
06/22/2011EP2337201A1 Clean transition between CCM and DCM in valley current mode control of DC-to-DC converter
06/22/2011EP2337200A1 A sub-stage for a charge pump.
06/22/2011DE102010038230A1 Schaltmodusregler Switching Mode Regulator
06/22/2011DE102009057788A1 Planartransformator Planar
06/22/2011DE102009054957A1 Mehrphasen-Gleichspannungswandler und Verfahren zum Steuern eines Mehrphasen-Gleichspannungswandlers Multiphase DC-DC converter and method for controlling a multi-phase DC-DC converter
06/22/2011DE102008002971A9 Verfahren zur Minimierung der Grundschwingungsamplitude des Quellenstroms bei Mehrkonvertersystemen A method for minimizing the fundamental amplitude of the source current in multi-converter system