Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
11/2003
11/04/2003US6642696 DC-DC converter with a feedback controller
11/04/2003US6642695 Voltage mode boost converter using a period-fixed amplitude-modulated pulse control signal
11/04/2003US6642630 Multi-output switching power source circuit
11/04/2003US6640435 Methods for trimming electrical parameters in an electrical circuit
10/2003
10/30/2003WO2003090335A1 Circuit arrangement with power factor correction, and corresponding appliance
10/30/2003WO2003090332A2 Voltage converter for converting an input voltage to an output voltage and driving circuit comprising a voltage converter
10/30/2003WO2003065558A3 Synthetic ripple regulator
10/30/2003WO2003059681A3 Circuit arrangement for momentarily maintaining an internal operating direct current voltage in the event of an interruption in the vehicle electrical system power supply voltage
10/30/2003WO2003044937A3 Dc-to-dc converters
10/30/2003US20030202390 Boosted potential generation circuit and control method
10/30/2003US20030202366 Asymmetric multi-converter power supply
10/30/2003US20030202365 Optimized phase and frequency shifted controller for interleaved ZVS forward power converter
10/30/2003US20030202364 Method and system of slow output votage ramp control for a power supply
10/30/2003US20030202296 Power supply device
10/30/2003US20030201761 Method and circuit for scaling and balancing input and output currents in a multi-phase DC-DC converter using different input voltages
10/30/2003US20030201760 Switching power supply unit
10/30/2003US20030201758 Voltage regulator with pulse width modulation in dual frequencies
10/30/2003US20030201757 Voltage mode boost converter using a period-fixed amplitude-modulated pulse control signal
10/30/2003US20030201674 DC to DC converter and power management system
10/30/2003US20030201032 Low-loss magnetic powder core, and switching power supply, active filter, filter, and amplifying device using the same
10/30/2003CA2482976A1 Circuit arrangement with power factor correction, and corresponding appliance
10/29/2003EP1357597A1 Voltage conversion module
10/29/2003EP1356581A1 A controlled multi-output dc/dc converter
10/29/2003EP1356580A1 Method and apparatus for minimizing negative current build up in dc-dc converters with synchronous rectification
10/29/2003EP1356579A1 A dc/dc up/down converter
10/29/2003EP1356578A1 A digitally controlled dc/dc converter
10/29/2003EP1356577A2 A single level time-shifted reference dc/dc converter
10/29/2003EP1356576A2 Voltage converting circuit
10/29/2003EP1356575A2 Isolated drive circuitry used in switch-mode power converters
10/29/2003CN1452308A Environment protection switch power supply
10/29/2003CN1452307A Switch adjusting controlling circuit for modulation and control of pulse frequency
10/29/2003CN1452306A 电荷泵电路和电源电路 The charge pump circuit and power supply circuit
10/29/2003CN1126239C Protection circuit for switch and switch type electric source
10/29/2003CN1126238C Power supply ready signal device of stable power supply equipment
10/29/2003CN1126236C Voltage balancer circuit for power converter
10/29/2003CN1126221C Uninterrupted double supplying power source unit
10/28/2003US6639984 Feeder circuit
10/28/2003US6639947 EMI reduction for isolated bus systems
10/28/2003US6639817 Supply circuit for an electronic circuit connected to an SMPS converter operating at low output voltage
10/28/2003US6639814 Constant voltage reset circuit for forward converter
10/28/2003US6639813 Zero-voltage-switching power supply
10/28/2003US6639812 Power supply control circuit that adjusts output power based on variable input power
10/28/2003US6639811 Switching power supply unit
10/28/2003US6639467 Alternating current derived from direct current
10/28/2003US6639391 Variable switching frequency voltage regulator to optimize power loss
10/28/2003US6639388 Free wheeling buck regulator with floating body zone switch
10/28/2003US6639369 Electronic dimmable ballast for high intensity discharge lamp
10/23/2003WO2003088467A2 Soft switching converter using current shaping
10/23/2003WO2003088466A1 Inverter for producing a true sine wave
10/23/2003WO2003088465A1 High efficiency flyback converter
10/23/2003WO2003088464A1 Switching power supply unit
10/23/2003WO2003088463A1 Green switch power supply with standby function and its ic
10/23/2003WO2003088461A1 Method and circuit arrangement for electronic voltage regulation
10/23/2003WO2003088460A2 Soft switching high efficiency flyback converter
10/23/2003WO2003088458A2 Circuit arrangement for generating dc voltages
10/23/2003WO2003086949A2 Applicator and nozzle for dispensing controlled patterns of liquid material
10/23/2003US20030198066 Switching power supply
10/23/2003US20030198064 Device and method of commutation control for an isolated boost converter
10/23/2003US20030198063 Audio band conducted emissions suppression on power feeders
10/23/2003US20030198062 Switching power supply circuit
10/23/2003US20030197994 Method and apparatus for fault condition protection of a switched mode power supply
10/23/2003US20030197554 Low-voltage booster circuits and methods of operation thereof
10/23/2003US20030197551 Potential generating circuit capable of correctly controlling output potential
10/23/2003US20030197548 Potential generating circuit, potential generating device and semiconductor device using the same, and driving method thereof
10/23/2003US20030197546 Negative voltage generator for a semiconductor memory device
10/23/2003US20030197532 Overcurrent protection structure of load driving circuit
10/23/2003US20030197497 Constant-current/constant-voltage circuit architecture
10/23/2003US20030197494 DC-DC converter and a method of controlling thereof
10/23/2003US20030197245 Multiphase synchronous buck converter with improved output current sharing
10/23/2003DE20220571U1 Combination circuit for DC-DC converter comprises synchronous rectifier circuit and inductor and capacitor forming snubber circuit
10/22/2003EP1355410A1 A power supply apparatus
10/22/2003EP1355409A2 Power supply device
10/22/2003EP1355408A2 Audio band conducted emissions suppresssion on power feeders
10/22/2003EP1354254A1 Power converter control for automatic maximum power point tracking
10/22/2003EP0938770B1 Fault control circuit for switched power supply
10/22/2003EP0890215B1 Power supply circuit arrangement for an electronic load circuit
10/22/2003CN1451201A Improved efficiency of a multiphase switching power supply during low power mode
10/22/2003CN1451200A Oscillatorless dc-dc power converter
10/22/2003CN1450714A Converter using synchronous rectifier circuit
10/22/2003CN1125529C Secondary lateral parallel and series resonsnce power circuit for switch
10/22/2003CN1125528C Switch power circuit
10/22/2003CN1125527C Switching electric power source circuit
10/21/2003US6636431 Symmetrical DC/DC converter
10/21/2003US6636104 Multiple output charge pump
10/21/2003US6636103 Amplifier system with on-demand power supply boost
10/21/2003US6636024 Switching voltage converter with half bridge output as reference voltage
10/21/2003US6636022 Controlled multi-output DC/DC converter
10/21/2003US6636021 Circuits and techniques for capacitor charging circuits
10/21/2003CA2226818C Opposed current power converter
10/16/2003WO2003085797A2 Device for the inductive transmission of electric power
10/16/2003WO2003085476A1 Synchronous buck converter improvements
10/16/2003WO2003061103A3 A switching circuit and a method of operation thereof
10/16/2003WO2003041254A3 Multiple-output flyback converter
10/16/2003WO2003034386A3 Method and system for ramp control of precharge voltage
10/16/2003US20030193821 Inverter for producing a true sine wave
10/16/2003US20030193820 Synchronous rectifying circuit for flyback converter
10/16/2003US20030193385 Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components
10/16/2003US20030193364 Biasing system and method for low voltage DC-DC converters with built-in N-FETs
10/16/2003US20030193321 Switching regulator control circuit for a PFM control
10/16/2003US20030193320 Voltage regulator circuit and integrated circuit device including the same