Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
01/2004
01/22/2004US20040012356 12/42 Volt DC brush motor control system
01/22/2004US20040012347 Single chip ballast control with power factor correction
01/22/2004DE10331194A1 Gleichspannungswandler DC voltage converter
01/22/2004DE10330135A1 Schaltungsanordnung Circuitry
01/21/2004EP1159659B1 Four-phase charge pump with lower peak current
01/21/2004EP0721137B1 Power source circuit, liquid crystal display device, and electronic device
01/21/2004CN1470098A Multiple power converter system using combining transformers
01/21/2004CN1470097A Multiple output dynamically regulated charge pump power converter
01/21/2004CN1469537A Flexible switching DC-DC converter with active energy discharging slot
01/21/2004CN1469536A Boost structure for switch capacitor system
01/21/2004CN1469535A Distributed power supply system
01/21/2004CN1469216A Power source circuit
01/21/2004CN1135682C Synchronous flyback converter
01/21/2004CN1135681C Current-resonance type switch power source
01/21/2004CN1135680C Voltage stabilizer for switch
01/21/2004CN1135679C Boosted circuit
01/20/2004US6680854 Switching power supply
01/20/2004US6680603 High-efficiency method and pulse generator for generating short voltage pulses
01/15/2004WO2004006418A2 Medium for storing and reading information, and device for storing and reading of information on and from the medium
01/15/2004WO2004006417A1 An integrated controller, method of operation thereof and power supply employing the same
01/15/2004WO2004006037A2 Output regulator
01/15/2004WO2004005705A1 Booster power supply for engine generator and its controlling method
01/15/2004WO2003061106A3 Power source apparatus
01/15/2004WO2003052908A3 Circuit arrangement with power factor correction, as well as a corresponding appliance
01/15/2004WO2002101529A3 Apparatus for setting output power levels of integrated pwm controller
01/15/2004US20040008528 DC/DC converter
01/15/2004US20040008078 Boosting circuit
01/15/2004US20040008077 Voltage regulator with dynamically boosted bias current
01/15/2004US20040008076 Semiconductor device having substrate potential detection circuit less influenced by change in manufacturing conditions
01/15/2004US20040008062 Method and apparatus for operating a voltage regulator based on operation of a timer
01/15/2004US20040008016 Output regulator
01/15/2004US20040008011 Multi-phase dc-to-dc buck converter with multi-phase current balance and adjustable load regulation
01/15/2004DE10228742A1 Versorgungsschaltung, insbesondere für Entladungslampe Supply circuit, in particular for discharge lamp
01/15/2004DE10227831A1 Schaltwandler Switching Converters
01/15/2004DE10227375A1 Verfahren zur Erhöhung der Eingangsspannung einer integrierten Schaltung mittels einer zweistufigen Ladungspumpe sowie integrierte Schaltung A method for increasing the input voltage of an integrated circuit by means of a two-stage charge pump integrated circuit as well as
01/14/2004EP1381158A2 Frequency/signal converter and switching regulator employing said converter
01/14/2004EP1381135A1 Battery-driven electronic device and mobile communication apparatus
01/14/2004EP1381060A1 Solenoid drive apparatus and drive method
01/14/2004EP1380096A1 Control means and method for a transistor switch circuit
01/14/2004EP1379929A1 Amplifier system with on-demand power supply boost
01/14/2004CN1467988A Power supply circuit for video display device
01/14/2004CN1467904A Zvs/zvt resonant choke with voltage clamp winding
01/14/2004CN1467748A Pump circuits and methods for integrated circuits
01/14/2004CN1467557A Power supply circuit for camera
01/14/2004CN1134884C Adjustable voltage converter utilizing charge pump
01/14/2004CN1134883C Circuit breaker type switch power source
01/14/2004CN1134693C Power source circuit, liquid crystal display, and electronic device
01/13/2004US6678179 Circuit arrangement for gaining a direct voltage using full bridge rectifier and coupling capacitors
01/13/2004US6678178 DC-to-DC converter with improved transient response
01/13/2004US6678173 Power supply apparatus for the reduction of power consumption
01/13/2004US6678172 Self-driving circuit for a DC/DC converter
01/13/2004US6678129 Protection circuit for a switched mode power supply
01/13/2004US6677847 In board filter inductor for switching power supply on a printed circuit board
01/13/2004US6677806 Charge pump for generating high voltages for semiconductor circuits
01/13/2004US6677805 Charge pump stage with body effect minimization
01/13/2004US6677734 Non-inverting dual voltage regulation set point power supply using a single inductor for restraint control module
01/13/2004US6677733 Single reference DC/DC converter
01/13/2004US6677730 Device and method for pulse charging a battery and for driving other devices with a pulse
01/13/2004US6677710 DC output regulator using dual pulse modulation
01/08/2004WO2004004123A1 Pulse width modulation signal generator
01/08/2004WO2004004104A2 Dc-dc converter
01/08/2004WO2003047079A3 Power converters with primary-only feedback
01/08/2004WO2003034388A3 Circuit for predictive control of boost current in a passive matrix oled display and method therefor
01/08/2004US20040004851 Charge pump circuit and power supply circuit
01/08/2004US20040004849 High voltage power source apparatus
01/08/2004US20040004848 DC power supply apparatus for generating plasma
01/08/2004US20040004590 Method and system for adjusting precharge for consistent exposure voltage
01/08/2004US20040004512 Semiconductor integrated circuit device
01/08/2004US20040004509 Voltage conversion circuit and semiconductor integrated circuit device provided therewith
01/08/2004US20040004470 Switching power supply device and switching power supply system
01/08/2004US20040004465 Dual-output direct current voltage converter
01/08/2004DE10319583A1 Pumpschaltung und Spannungsgenerator sowie Verfahren zum Erzeugen einer erhöhten Spannung Pump circuit and voltage generator and method for generating a boosted voltage
01/07/2004EP1379109A1 Controller circuit for a half-bridge converter
01/07/2004EP1378988A2 Switching power supply apparatus
01/07/2004EP1378987A2 Electronic apparatus
01/07/2004EP1378981A2 Power control
01/07/2004EP1378049A1 Switch mode power supply and method
01/07/2004EP1378048A2 Method for reducing interference emissions in a dc/dc flyback converter
01/07/2004EP1378044A1 Control device and method for dc-dc converter
01/07/2004EP1147686B1 Flyback converter as led driver
01/07/2004CN1466809A Switching converter
01/07/2004CN1466808A Interleaved power converters incorporating switch type control
01/07/2004CN1466807A Degenerative load temperature correction for charge pumps
01/06/2004US6674659 Switching voltage converter
01/06/2004US6674658 Power converter including circuits for improved operational control of synchronous rectifiers therein
01/06/2004US6674657 Overvoltage-protective device for power system, AC/DC converter and DC/DC converter constituting the power system
01/06/2004US6674656 PWM controller having a saw-limiter for output power limit without sensing input voltage
01/06/2004US6674655 Control method and apparatus for a flyback converter
01/06/2004US6674654 DC-DC voltage converter
01/06/2004US6674356 Flyback transformer
01/06/2004US6674317 Output stage of a charge pump circuit providing relatively stable output voltage without voltage degradation
01/06/2004US6674274 Multiple phase switching regulators with stage shedding
01/06/2004US6674273 Filtering circuit and battery protection circuit using same
01/06/2004US6674272 Current limiting technique for a switching power converter
01/06/2004US6674271 Power supply control apparatus and method thereof
01/06/2004US6674268 Swithing regulator utilizing seperate integrated circuits for driving each switch
01/02/2004EP1376844A2 Supply circuit, in particular for discharge lamp
01/02/2004EP1376841A2 Switched mode power supply and controlling method thereof
01/02/2004EP1376840A2 Switching power supply circuit and electronic device
01/02/2004EP1376839A1 Electric-power supply with rectifier