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