Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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08/08/2012 | CN202374178U Switching regulator circuit |
08/08/2012 | CN202374177U Power supply isolation structure |
08/08/2012 | CN202374176U Low dropout regulator (LDO) circuit for high input voltage |
08/08/2012 | CN202374168U Control circuit and power supply circuit |
08/08/2012 | CN1833288B Low power charge pump |
08/08/2012 | CN102630368A Flux converter with power factor correction |
08/08/2012 | CN102630367A Power-supply circuit and liquid crystal display device provided therewith |
08/08/2012 | CN102629836A Novel two-stage alternating-current photovoltaic module |
08/08/2012 | CN102629834A High-power-factor soft-switching three-phase power-regulating power supply |
08/08/2012 | CN102629833A Power supply and apparatus and method for controlling link voltage control switch |
08/08/2012 | CN102629832A Switching power supply and image forming apparatus |
08/08/2012 | CN102629831A Method, circuit and device for soft switch detection |
08/08/2012 | CN102629830A High frequency soft-switching technology switching power supply |
08/08/2012 | CN102629829A Counting tube drive circuit used for radiation survey meter |
08/08/2012 | CN102629828A Voltage-linearly rising high-voltage power supply |
08/08/2012 | CN102629827A Power supply circuit with scalable performance and method for operating the power supply circuit |
08/08/2012 | CN102629826A Switching regulator control circuit and switching regulator |
08/08/2012 | CN102629825A Circuit structure of realizing synchronous buck-type charging and boost-type power supply by using single inductor |
08/08/2012 | CN102629824A Method for improving switching control precision of switching power supply |
08/08/2012 | CN102629823A DC/DC (direct-current/direct-current) converter with high step-up ratio and low switch voltage press |
08/08/2012 | CN102629822A Charge pump and liquid crystal display screen driving chip |
08/08/2012 | CN102628477A Magnetic suspension bearing driving circuit |
08/08/2012 | CN101900587B Constant mean value excitation current source of electromagnetic flowmeter |
08/08/2012 | CN101895196B Current-mode multiplexed-output DC-DC switch power supply of secondary current sampling |
08/08/2012 | CN101877532B Bipolar transistor auto-excitation type Buck convertor |
08/08/2012 | CN101840769B Transformer and switching power supply unit |
08/08/2012 | CN101807857B Current sampling circuit |
08/08/2012 | CN101777837B Intelligent clamped circuit and power supply comprising same |
08/08/2012 | CN101771346B Single-stage high power factor isolating type AC to DC converter with leakage inductance energy loopback function |
08/08/2012 | CN101771338B Switching power supply module with high reliability and low power consumption |
08/08/2012 | CN101682202B Power supply unit of vehicle |
08/08/2012 | CN101656471B Power circuit capable of automatically converting voltage |
08/08/2012 | CN101542882B Switching regulator and method of controlling the same |
08/08/2012 | CN101542881B Voltage rising/falling type switching regulator and reverse current prevention method |
08/08/2012 | CN101064473B Gleichstrom/gleichstrom-wandler vom typ mit multiausgang |
08/07/2012 | US8239694 Dynamic frequency scaling of a switched mode power supply |
08/07/2012 | US8238126 Current regulator |
08/07/2012 | US8238124 Dual-mode constant load control circuits and associated methods |
08/07/2012 | US8238123 Frequency limitation method with time hysteresis used in quasi-resonant control |
08/07/2012 | US8238122 DC/DC converter |
08/07/2012 | US8238121 DC/DC converter |
08/07/2012 | US8237302 Main circuit of electric power generating apparatus for dispersed power supply |
08/02/2012 | WO2012103152A2 Harmonic mitigation devices and applications thereof |
08/02/2012 | WO2012101906A1 Switching power supply device |
08/02/2012 | WO2012101905A1 Switching power supply device |
08/02/2012 | WO2012101858A1 Dc-dc convertor module and multilayer substrate |
08/02/2012 | WO2012101822A1 Controller and semiconductor system |
08/02/2012 | WO2012101698A1 Switching power supply device |
08/02/2012 | WO2012101234A2 Switched dc/dc boost power stage with linear control-to-output conversion ratio, based on the ramp-modulated pwm generator |
08/02/2012 | WO2012100853A1 Method for regulating a buck/boost converter |
08/02/2012 | WO2012100815A1 Regulation method for a photovoltaic system and photovoltaic system |
08/02/2012 | WO2012100740A1 Quasi resonant push-pull converter and control method thereof |
08/02/2012 | WO2012100539A1 High power dc/dc drive power supply for use specifically in cars and driving method |
08/02/2012 | WO2012039131A3 Dc -dc converter comprising dc power sources to be connected in parallel or in series |
08/02/2012 | US20120195620 Switching power supply and image forming apparatus |
08/02/2012 | US20120195076 Systems and methods for dynamic threshold adjustment with primary-side sensing and regulation for flyback power converters |
08/02/2012 | US20120195075 Direct current/direct current converter, and power supply apparatus and electronic device using the same |
08/02/2012 | US20120195074 DC-DC Converter Circuit For High Input-To-Output Voltage Conversion |
08/02/2012 | US20120194131 Charging device for charging a battery pack |
08/02/2012 | US20120194090 Switching power circuit, and lighting device for semiconductor light-emitting element and illumination apparatus using same |
08/02/2012 | US20120194002 Device for generating torsional electromagnetic wave and electric power system employing the same |
08/02/2012 | DE19681425B3 Schaltung und Verfahren zum Regeln einer Spannung Circuit and method for controlling a voltage |
08/02/2012 | DE112010001775T5 Steuervorrichtung eines Boosters vom Transformator-Kopplungstyp Control device from a booster transformer coupling type |
08/02/2012 | DE102012201383A1 Ćuk-basierte Stromquelle Ćuk-based power source |
08/02/2012 | CA2825476A1 Harmonic mitigation devices and applications thereof |
08/01/2012 | EP2482436A1 Insulation type switching power supply |
08/01/2012 | EP2482435A2 Switching power circuit, and lighting device for semiconductor light-emitting element and illumination apparatus using same |
08/01/2012 | EP2482433A2 Switched DC/DC boost power stage with linear control-to-output conversion ratio, based on a ramp-modulated PWM generator |
08/01/2012 | EP2482419A1 Power conversion device and fuel cell system provided therewith |
08/01/2012 | EP2481145A2 Multiphase power converters, controllers and control methods |
08/01/2012 | EP2481144A2 Starting up a dc/dc converter having a high-frequency transformer |
08/01/2012 | CN202364141U Improved rectifier circuit |
08/01/2012 | CN202364137U Efficient energy-saving power adapter |
08/01/2012 | CN202364134U Rectifier circuit suitable for incandescent lamp |
08/01/2012 | CN202364125U Power control circuit of power adapter |
08/01/2012 | CN202364124U Control device and CT (computed tomography) equipment |
08/01/2012 | CN202364123U Circuit for improving multi-output cross regulation of switching power supply |
08/01/2012 | CN202364122U Power supply device, liquid crystal driving device and liquid crystal display device |
08/01/2012 | CN202364121U Novel power circuit |
08/01/2012 | CN202364120U Novel voltage stabilization type drive circuit based on charge pump |
08/01/2012 | CN202364119U Novel low-cost parallel-connection flow equalizing circuit of switching-mode power supply |
08/01/2012 | CN202364113U Power supply device of photovoltaic grid-connected inverter and photovoltaic grid-connected inverter |
08/01/2012 | CN1992491B Power supply device, low voltage circuit breaker and low voltage AC/DC electric system |
08/01/2012 | CN102625548A Multi-output heavy-power LED constant-current drive power supply |
08/01/2012 | CN102624336A Electronic device and method for increasing output power of electronic device |
08/01/2012 | CN102624272A Novel inverter |
08/01/2012 | CN102624264A Multiple-input fly-back photovoltaic grid-connected inverter |
08/01/2012 | CN102624262A Alternating current output device |
08/01/2012 | CN102624260A Sampling circuit of input line voltage of AC (alternating current)/DC (direct current) change-over switch power source |
08/01/2012 | CN102624259A Power supply device |
08/01/2012 | CN102624256A High voltage static generator |
08/01/2012 | CN102624254A Constant voltage constant current control circuit with improved load regulation and control method thereof |
08/01/2012 | CN102624246A Single-ended forward parallel push-pull type high-power converter |
08/01/2012 | CN102624245A Quasi resonance push-pull converter and control method thereof |
08/01/2012 | CN102624244A Implementation method for high-isolation adjustable direct current regulated power supply |
08/01/2012 | CN102624243A Isolation-type half-bridge three-level dual-direction direct-current/direct-current (DC/DC) converter |
08/01/2012 | CN102624242A Voltage-stabilizing switching mode power supply without overshoot |
08/01/2012 | CN102624241A Self-adaptive regulation structure for dead zone time of LLC |
08/01/2012 | CN102624240A Control chip of primary-side feedback switch power source |
08/01/2012 | CN102624239A Bi-directional dc-dc converter and method for controlling the same |