H02M 3 - Conversion of dc power input into dc power output

Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
06/2009
06/03/2009	CN101447738A Flameproof intrinsically safe power supply device
06/03/2009	CN101447737A Constant power output direct current transforming circuit
06/03/2009	CN101447736A Synchronous DC/DC converter
06/03/2009	CN101447735A Switching power supply device
06/03/2009	CN101447734A DC/DC converter
06/03/2009	CN101447733A High-efficient linear DC stable power supply
06/03/2009	CN101447732A Reverse-current protector used for synchronous switched voltage converter
06/03/2009	CN101447731A Synchronous DC/DC converter
06/03/2009	CN100496182C Discharging power source, sputtering power source, and sputtering device
06/03/2009	CN100495884C Thick film DC/DC module power supply circuit for spacecraft
06/03/2009	CN100495883C DC boost converter and its working method
06/03/2009	CN100495882C Step-down switching regulator
06/03/2009	CN100495881C System for driving bipolar transistor and system for controlling power converter
06/03/2009	CN100495880C Piezoelectric transformer driving apparatus and piezoelectric transformer driving method
06/03/2009	CN100495879C Control circuit for reducing inverse current for synchronous rectifier
06/03/2009	CN100495878C Charge pump circuit
06/03/2009	CN100495877C DC-to-DC converter with fast overload feedback control
06/03/2009	CN100495876C Electronic device
06/03/2009	CN100495875C Power supply system of great start-up current of solar photovoltaic battery
06/03/2009	CN100495856C Inversion power supply of large output power
06/02/2009	US7543164 Power savings in a voltage supply controlled according to a work capability operating mode of an integrated circuit
06/02/2009	US7542312 Electric power converter
06/02/2009	US7542310 Synchronous rectification control circuit
06/02/2009	US7542309 Voltage stabilizer circuit of forward converter
06/02/2009	US7542308 DC-DC converter
06/02/2009	US7541859 Charge pump circuit
06/02/2009	US7541785 Load driving device and portable apparatus utilizing such driving device
06/02/2009	US7541695 Uninterruptible power supply with low power loss
05/2009
05/28/2009	WO2009067591A2 Adaptive-gain step-up/down switched-capacitor dc/dc converters
05/28/2009	WO2009066486A1 Insulated dc-dc converter
05/28/2009	WO2009066273A1 A digitally controlled isolated power converter
05/28/2009	WO2009065678A1 Inverter circuit
05/28/2009	WO2009065337A1 A direct current power supply switch and its implement method
05/28/2009	WO2009065266A1 Synchronous regulation circuit
05/28/2009	US20090135628 Method and apparatus of capacitor divider based offline ac-dc converter
05/28/2009	US20090134860 Power supply apparatus
05/28/2009	US20090134702 Dc converter with independently controlled outputs
05/28/2009	DE102008054150A1 Treiber für eine organische Licht emittierende Diode Driver for an organic light emitting diode
05/28/2009	DE102007057035A1 Supply circuit for supplying electric load, comprises switched boost-converter, which has coil and switch, where coil current is alternatively switched against reference potential
05/27/2009	EP2063525A1 Electronic control device
05/27/2009	EP2063522A2 Switching power supply device
05/27/2009	EP2063521A1 Device for driving a load
05/27/2009	EP2063520A1 Dc/dc power converting apparatus
05/27/2009	EP2063519A1 Dc/dc power converter
05/27/2009	CN201248027Y Frequency-change air conditioner
05/27/2009	CN201248011Y Power supply system for caravan
05/27/2009	CN201248008Y Connection architecture of power source converter
05/27/2009	CN101444140A Lighting system and method for operating a lighting system
05/27/2009	CN101442857A Sound control light modulation LED power supply
05/27/2009	CN101442268A Low loss power supply
05/27/2009	CN101442265A Power supply for portable electronic apparatus
05/27/2009	CN101442260A Secondary constant-current constant-voltage controller chip and converter thereof
05/27/2009	CN101442259A DC parallel-serial transition electric power system
05/27/2009	CN101442258A Switching regulator
05/27/2009	CN101442257A Electric system and method for controlling electric element
05/27/2009	CN101442256A Methods and devices for inhibiting negative output current during start-up of a switch mode power supply
05/27/2009	CN101442254A DC bus-bar voltage collection method for frequency changer
05/27/2009	CN101442252A DC bus-bar voltage collection circuit for frequency changer
05/27/2009	CN101441509A Exchangeable type power supply circuit and computer system
05/27/2009	CN101441488A Voltage regulator and controlling method thereof
05/27/2009	CN101441241A High-pressure frequency conversion phase shift or rectifier transformer load simulating device
05/27/2009	CN100492852C Wireless type zero quiescent dissipation power supply controller
05/27/2009	CN100492848C Energy recovery circuit and method
05/27/2009	CN100492847C Self-driven synchronous rectification circuit and method for rectifying voltage change of power convertor
05/27/2009	CN100492846C Control system for serial operation of the quick crystal brake tube
05/27/2009	CN100492845C Tri-switch single-stage voltage boosting/reducing inverter
05/27/2009	CN100492844C Piezoelectric transformer drive method and drive circuit
05/27/2009	CN100492843C DC-DC converter and circuit device for configuring the converter
05/27/2009	CN100492842C Converter circuit with improved efficiency
05/27/2009	CN100492841C DC-DC-converter
05/27/2009	CN100492840C Power supply apparatus
05/27/2009	CN100492839C DC-DC converter and its controller and control method and device containing same
05/27/2009	CN100492838C Multiple voltage regulating circuit
05/27/2009	CN100492837C Switching regulator
05/27/2009	CN100492836C Single conversion power converter with hold-up time and its method
05/27/2009	CN100492835C Circuit structure of partaking power consumption by using impedances of metal foil sheets
05/27/2009	CN100492834C Converter circuit with short-circuit lurrent protections
05/27/2009	CN100492833C Power supply circuit
05/27/2009	CN100492831C Pulse width modulating switch adjustor and electronic device
05/27/2009	CN100492829C Control circuit and control method of switch mode DC-DC converter
05/27/2009	CN100492244C Voltage regulator with low voltage difference
05/26/2009	US7539028 Method and apparatus for fault detection in a switching power supply
05/26/2009	US7538763 Semiconductor device and display device
05/26/2009	US7538602 Semiconductor integrated circuit with stepped-down voltage generating circuit
05/26/2009	US7538536 DC-AC converter and controller IC therefor
05/26/2009	US7538532 Bidirectional power conversion with multiple control loops
05/26/2009	US7538525 Power factor correction circuit
05/22/2009	WO2009063661A1 Power supply circuit and display device including same
05/22/2009	WO2009063561A1 Switcing power supply, control circuit controlling switching power supply and control method of switching power supply
05/22/2009	WO2009033924A3 Method for regulating a dc-to-dc converter
05/22/2009	WO2009012778A3 Switch mode pulse width modulated dc-dc converter with multiple power transformers
05/21/2009	US20090129125 Synchronous regulation circuit
05/21/2009	US20090129124 Power supply for electrostatic precipitator
05/21/2009	US20090129123 Insulated power transfer device
05/21/2009	US20090129122 Power supply device for arc apparatus
05/21/2009	US20090128121 Bi-directional power supply with isolated output
05/21/2009	US20090128120 Reference voltage generation circuit, ad converter, da converter, and image processor
05/21/2009	US20090128117 Voltage Conversion Device
05/20/2009	EP2061143A2 Method and system to convert direct current (DC) to alternating current (AC) using a photovoltaic inverter
05/20/2009	EP2060001A1 Method and apparatus

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