Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02M - Apparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems; Conversion of dc or ac input power into surge output power; Control or regulation thereof › 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)
03/2005
03/16/2005EP1459282A4 Electronic ballast with low voltage output
03/16/2005EP1196926B1 Voltage production circuit
03/16/2005CN1596504A DC/AC conversion device and AC power supply method
03/16/2005CN1596503A Switching power supply device, and a method of driving the same
03/16/2005CN1596501A Dual input ac/dc/battery operated power supply
03/16/2005CN1596391A Power supply system and electronic device comprising the same
03/16/2005CN1595781A A circuit for realizing switch changeover with zero-voltage switch power
03/16/2005CN1595780A Control method and apparatus for series resonance DC/DC converter
03/16/2005CN1595778A Magnetism integration DC/DC conversion boosting type transmission ratio expander circuit and high booster circuit
03/16/2005CN1193488C Buffer circuit, and power conversion device using same
03/16/2005CN1193486C Dc－dc变换器 Dc-dc converter
03/16/2005CN1193485C 开关电源设备 Switching Power Supplies
03/16/2005CN1193484C Fast transient response step inductor for switching converter
03/16/2005CN1193483C Method and device for generating driving power supply
03/16/2005CN1193272C High voltage generator for color tuning system printer
03/15/2005US6868026 Semiconductor memory device, and method of controlling the same
03/15/2005US6867986 Constant current output control method and constant current output control device for switching power supply circuit
03/15/2005US6867638 High voltage generation and regulation system for digital multilevel nonvolatile memory
03/15/2005US6867574 Switch mode power supply and driving method for efficient RF amplification
03/15/2005US6867571 Device and method for controlling a switching power supply and corresponding switching power supply
03/15/2005US6867557 Lighting circuit
03/10/2005WO2005022748A1 Circuit and method for conditioning a supply voltage containing voltage peaks
03/10/2005WO2005022737A1 Power delivery system having cascaded buck stages
03/10/2005WO2005022736A1 Switching controller
03/10/2005WO2005022735A1 Control device for controlling a charging switch in a switching controller and method for controlling a charging switch
03/10/2005WO2005022732A2 Full bridge power converters with zero-voltage switching
03/10/2005US20050054387 Circuit arrangement for increasing a supply voltage
03/10/2005US20050052887 DC power supply and integrated circuit device
03/10/2005US20050052886 Integrated start-up circuit with reduced power consumption
03/10/2005US20050052249 Variable frequency PWM controller circuit
03/10/2005US20050052222 Output control device for electric power source
03/10/2005US20050052221 Power supply unit and power supply system having the same
03/10/2005US20050052220 Low noise charge pump method and apparatus
03/10/2005US20050052170 Power supply and driving method thereof and apparatus and method for driving electro-luminescence display device using the same
03/10/2005US20050052168 Switching power supply device and semiconductor integrated circuit
03/10/2005US20050052166 Synchronized parallel running power converter
03/10/2005US20050052163 Dynamic multiphase operation
03/09/2005EP1513248A2 Switching electric source device
03/09/2005EP1513247A1 Digital control of multiphase synchronous switching voltage regulators
03/09/2005EP1459605A4 Electronic ballast with rail voltage switching
03/09/2005CN2684455Y Advanced safety control high-voltage power supply for electric blasting nanometer preparation equipment
03/09/2005CN2684452Y Moulding board type static power converter for aviation
03/09/2005CN1593002A 电压转换电路 Voltage conversion circuit
03/09/2005CN1592996A DC-DC converting charging apparatus
03/09/2005CN1592866A Liquid crystal display apparatus
03/09/2005CN1592065A AC-DC converter of reverse current harmonic correction
03/09/2005CN1592064A Power supply unit and power supply system having the same
03/09/2005CN1592063A Current equalizing method and apparatus for alternately controlling power factor correcting circuit
03/09/2005CN1592062A Method and controller for inhibiting transformer dc magnetic bias
03/09/2005CN1592061A Push-pull converter and method for power supply device and uninterrupted power supply system
03/09/2005CN1592060A DC power supply device, driving method and semiconductor integrated circuit device
03/09/2005CN1592059A DC/DC converter
03/09/2005CN1592058A Difference sum dc-dc converter and method thereof
03/09/2005CN1592057A DC-DC converter with load transient response fast reaction and method thereof
03/09/2005CN1592056A Controlling circuit, controlling method and sequence generator for dc-dc converter
03/09/2005CN1592055A Transistor circuit and booster circuit
03/09/2005CN1592054A Step-down voltage output circuit
03/09/2005CN1592053A Control circuit for a switched mode power supply
03/09/2005CN1592052A Variable frequency PWM controller circuit
03/09/2005CN1592025A Starting method for power converter
03/09/2005CN1592023A Output voltage adjustable combined battery
03/09/2005CN1591954A Output control device for electric power source
03/09/2005CN1591266A Power supply device having efficient low power standby mode
03/09/2005CN1591265A 电压调节器 Voltage Regulator
03/09/2005CN1591264A 电压调节器 Voltage Regulator
03/09/2005CN1591263A Dynamic multiphase operation
03/09/2005CN1591115A Power supply apparatus
03/09/2005CN1591100A Power supply apparatus
03/09/2005CN1192473C Resonance type switching power source
03/09/2005CN1192472C Rectifier circuit and method for reducing undesirable voltage peak in rectifier circuit
03/08/2005US6865095 Power circuit
03/08/2005US6865094 Circuit for AC adapter to reduce power drawn from an AC power source
03/08/2005US6865093 Electronic circuit control element with tap element
03/08/2005US6864739 Charge pump stage with body effect minimization
03/08/2005US6864738 CMOS voltage booster circuits
03/08/2005US6864671 Direct current voltage converter with switching regulator
03/08/2005US6864670 Method for eliminating noise interference and acoustic noise by printed circuit board ground plane layout
03/08/2005US6864669 Power supply block with simplified switch configuration
03/08/2005US6864543 High breakdown voltage CMOS device
03/08/2005US6864525 Charge pump device
03/03/2005WO2005020418A1 Protection circuit for a power supply unit, and power supply unit with a respective protection circuit
03/03/2005WO2005020416A1 Switching power supply circuit
03/03/2005WO2005020415A1 Voltage converter
03/03/2005WO2005020414A1 Power supply control loop with multiple leveling modes
03/03/2005WO2005020331A1 Electric power transforming apparatus
03/03/2005WO2004077650A3 Capacitive dc-to-dc converter with efficient use of flying capacitors and related method
03/03/2005US20050047184 Control circuit for a switched mode power supply
03/03/2005US20050047183 DC-DC converter
03/03/2005US20050047181 Power supply apparatus
03/03/2005US20050047180 Voltage boosting circuit and method
03/03/2005US20050047177 Driving circuit employing synchronous rectifier circuit
03/03/2005US20050047176 Dc/ac conversion device and ac power supply method
03/03/2005US20050047175 DC-DC converter
03/03/2005US20050047103 Power supply circuit with three-dimensionally arranged circuit carriers, and production method
03/03/2005US20050047039 Power system to transfer power between a plurality of power sources
03/03/2005US20050047032 Electronic control apparatus
03/03/2005US20050046498 Constant current circuit used for ring oscillator and charge pump circuit
03/03/2005US20050046465 High voltage supply circuit and a method of supplying high voltage
03/03/2005US20050046464 Step-down voltage output circuit
03/03/2005US20050046457 Method and system for power supply control using a fixed-frequency pulse width modulation control circuit
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