Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
10/2008
10/01/2008CN100422879C Electronic clock, electronic apparatus and starting method
09/2008
09/30/2008US7430133 Apparatus and method for switch connected as a diode in a charge pump
09/30/2008US7430130 D-optimized switching converter
09/30/2008US7429883 Oscillator configured to complete an output pulse after inactivation
09/25/2008WO2008116042A2 Power supply
09/25/2008WO2008115232A1 Power supply controller and method therefor
09/25/2008WO2008115231A1 Method of forming a power supply controller and structure therefor
09/25/2008WO2008114647A1 Power supply non-connection detector and protector of electronic apparatus
09/25/2008WO2008114073A1 Apparatus for supplying isolated regulated dc power to electronics devices
09/25/2008WO2008113242A1 A switched dc-dc conversion system for isolating high frequency and a method thereof
09/25/2008WO2008042069A3 Circuit for powering a high intensity discharge lamp
09/25/2008WO2008036609A3 Implementation of output floating scheme for hv charge pumps
09/25/2008US20080232142 Output current control circuit for power converter with a changeable switching frequency
09/25/2008US20080232141 Power System with Power Converters Having an Adaptive Controller
09/25/2008US20080232140 System for transferring an alternating voltage into a direct voltage
09/25/2008US20080232139 Power Converter
09/25/2008US20080232138 Switching drive circuit for soft switching
09/25/2008US20080231211 Power supply
09/25/2008US20080231117 Power management topologies
09/25/2008DE102008011307A1 Verfahren und System zum Betreiben eines Leistungswandlers A method and system for operating a power converter
09/24/2008EP1973221A2 Method and apparatus for regulating a diode conduction duty cycle
09/24/2008EP1973220A1 A resonant dc/dc converter and its control method
09/24/2008EP1546836A4 Switching dc-dc power converter and battery charger for use with direct oxidation fuel cell power source
09/24/2008CN201122905Y Self-excited oscillating switch power source
09/24/2008CN201122904Y Summit current operated electric voltage feed forward circuit in switch power source
09/24/2008CN201122903Y Electric power of switch
09/24/2008CN201122902Y Power adapter of vehicle mounted equipment
09/24/2008CN201122901Y Control circuit of switch circuit and electric appliance equipment with the same
09/24/2008CN201122900Y Alarm circuit of aftercurrent type electric fire disaster monitoring detector
09/24/2008CN201122476Y Liquid flow regulator
09/24/2008CN101273515A Synchronous rectifier
09/24/2008CN101272098A Twin-triode current control type self-oscillation flyback converter
09/24/2008CN101272097A Multifunctional structure-changing type DC convertor
09/24/2008CN101272096A Monolithically integrated III-nitride power converter
09/24/2008CN101272095A Electric voltage stabilization method, pulse frequency modulation circuit and power supplier
09/24/2008CN101272094A DC-DC converter
09/24/2008CN101272093A Method and circuit for reducing switch concussion of switch type power supplier
09/24/2008CN101272092A Control circuit and controlling method of switching power supply system
09/24/2008CN101272091A Charge pump circuit
09/24/2008CN101272090A High tension charge pump circuit
09/24/2008CN101271345A Plasma ignition high power switch power source
09/24/2008CN101270907A Air conditioner controller capable of implementing double energy-saving function
09/24/2008CN101269627A Vehicle mounted electrical apparatus driving circuit module with failure diagnosis function
09/24/2008CN100421353C Driver for switching circuit and drive method
09/24/2008CN100421344C Zero-voltage switching half-bridge DC-DC converter topology by utilizing the transformer leakage inductance trapped energy
09/24/2008CN100421343C Power source apparatus
09/24/2008CN100421342C Resonance circuit output characteristic controlling method
09/24/2008CN100421341C Switching regulator and image forming apparatus and its control method
09/24/2008CN100421340C Flyback power converter having a constant voltage and a constant current output under primary-side PWM control
09/24/2008CN100421339C Control method and control circuit for switching phase-shift full-bridge and PWM full-bridge in converter
09/24/2008CN100421338C Voltage booster circuit with impulse-width modulation amplitude limiting controller and its controlling method
09/24/2008CN100421337C Flexible starter for power supply device
09/24/2008CN100421336C A switch-over control circuit for non-continuous mode PF control transducer
09/23/2008US7427888 Charge pump circuit operating responsive to a mode
09/18/2008WO2008112528A1 Controller and method for using a dc-dc converter in a mobile handset
09/18/2008WO2008112041A2 Power supply providing ultrafast modulation of output voltage
09/18/2008WO2008111347A1 Switching regulator and method of controlling the same
09/18/2008WO2008111046A1 Controlled power supply and method for pulse load
09/18/2008WO2008088413A3 Capacitor charging methods and apparatus
09/18/2008WO2007095346B1 Two terminals quasi resonant tank circuit
09/18/2008US20080225558 Amplifier with switchmode power supply
09/18/2008US20080225557 High voltage power supply
09/18/2008US20080224627 Regulated Charge Pump and Method Therefor
09/18/2008DE102007055837A1 Last-Ansteuerverfahren Load-driving
09/17/2008EP1971019A2 Switching device for transformerless conversion of an electric direct current into an AC voltage with two DC/DC converters and an DC/AC converter
09/17/2008EP1971018A1 Switching device for transformerless conversion of a direct voltage into an alternating voltage with two DC/DC converters and a DC/AC converter
09/17/2008EP1971017A2 High voltage power supply
09/17/2008EP1969705A2 Switching regulator slope compensation generator circuit
09/17/2008EP1397856A4 A high voltage converter system
09/17/2008CN201118459Y High-frequency sine wave reverser
09/17/2008CN201118455Y A power adapter for adjustable output voltage
09/17/2008CN201118452Y High-voltage power switch power
09/17/2008CN201118451Y No loss absorption circuit for reverse activation switch power
09/17/2008CN201118450Y An implementation circuit for phase crossed parallel operation with active clamp circuit
09/17/2008CN201118449Y Converter with current balance function
09/17/2008CN201118448Y Self-coupling transformer voltage increase/decrease circuit
09/17/2008CN201118447Y 电源供应系统 Power Supply
09/17/2008CN201118446Y Zero-voltage resonance half-bridge switch voltage regulating power supply
09/17/2008CN201118445Y DC high-voltage generator
09/17/2008CN201118444Y Separator power module for wide-range power supply and two-line power supply
09/17/2008CN201118443Y DC-DC converter for electric car
09/17/2008CN201118442Y A low-voltage power circuit
09/17/2008CN201118441Y High-performance and high-reliability negative voltage generation circuit
09/17/2008CN201118440Y A power on circuit and electronic device
09/17/2008CN201118260Y Polarity-free charger
09/17/2008CN201118244Y Chain type static synchronous compensator self excitation start-up circuit
09/17/2008CN101268604A Resonant inverter
09/17/2008CN101267161A Switching power supply device
09/17/2008CN101267160A A soft switch circuit
09/17/2008CN101267159A Switch circuit
09/17/2008CN101267158A Synchronous commutation self-driving circuit
09/17/2008CN101267155A System and method for providing power system with stable control
09/17/2008CN101267123A An efficient voltage regulating power
09/17/2008CN101267040A Grid-connected fuel cell system and load using the same
09/17/2008CN101266868A Ultra-small electric power conversion device
09/17/2008CN101266423A High voltage power supply
09/17/2008CN100420137C Dc-dc converter and device for operation of a high pressure discharge lamp using said converter
09/17/2008CN100420136C Switching-mode power supply
09/17/2008CN100420135C Push-pull converter and method for power supply device and uninterrupted power supply system
09/17/2008CN100420134C Capacitor insulating power supply