| Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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| 12/19/2007 | EP1866720A1 Digital pulse width modulation controller with preset filter coefficients |
| 12/19/2007 | CN200994111Y Symmetrical high voltage pulse generator |
| 12/19/2007 | CN200994108Y Voltage matching converting device |
| 12/19/2007 | CN200994107Y Circuit for using a single pin to support power input and power control for an integrated circuit |
| 12/19/2007 | CN200994106Y DC-DC converter for hybrid power vehicle |
| 12/19/2007 | CN101091303A Multi-resonance converter |
| 12/19/2007 | CN101090239A Compensation circuit and method for power converter |
| 12/19/2007 | CN101090238A Power supply device and electric appliance provided therewith |
| 12/19/2007 | CN101090237A DC-DC power supply converter using arbitrary waveform control method |
| 12/19/2007 | CN101090236A Method for inhibiting thermal run-away |
| 12/19/2007 | CN101090235A Controller and standby circuit for power converter |
| 12/19/2007 | CN101090234A Step-up/step-down type dc-dc converter, and control circuit and control method of the same |
| 12/19/2007 | CN101090233A Multi-output type dc/dc converter |
| 12/19/2007 | CN101090232A Power supply conversion device and magnetic structure |
| 12/19/2007 | CN101090231A Unisolated switch DC-DC power supply module, power supply device and communication device |
| 12/19/2007 | CN101090230A Booster power supply circuit and control method therefor and driver ic |
| 12/19/2007 | CN101090229A Method and apparatus for transformerless safety isolation in a power supply |
| 12/19/2007 | CN101090228A Auxiliary voltage source of off-line integrated circuit chip and its control detection system |
| 12/19/2007 | CN100356675C Circuit for preventing restart after active hoop DC/DC inverter off |
| 12/19/2007 | CN100356674C 升压时钟生成电路及半导体装置 When the boost clock generation circuit and semiconductor device |
| 12/19/2007 | CN100356673C Bus capaeitance current weakening method and device |
| 12/19/2007 | CN100356670C Soft switch power factor correcting circuit |
| 12/19/2007 | CN100356052C Integrated bivoltage electromagnet valve driven circuit |
| 12/18/2007 | US7310253 Power conversion circuit control apparatus |
| 12/18/2007 | US7310252 Closed-loop high voltage booster |
| 12/18/2007 | US7310251 Control circuit having two-level under voltage lockout threshold to improve the protection of power supply |
| 12/18/2007 | US7310249 Switching power supply circuit |
| 12/18/2007 | US7310248 Control method of switching a power supply circuit |
| 12/18/2007 | US7310247 Method for controlling transformer excitation cycles and circuit for controlling the same |
| 12/18/2007 | US7310246 Capacitor charging circuit and strobe apparatus comprising same |
| 12/18/2007 | US7310245 Electric power transmission device and electric power transmission method |
| 12/18/2007 | US7310244 Primary side controlled switching regulator |
| 12/18/2007 | US7308754 Methods for trimming electrical parameters in an electrical circuit |
| 12/13/2007 | WO2007142143A1 Magnetic device, and switching power source circuit using the device and control method for the circuit |
| 12/13/2007 | WO2007141722A1 Charge pump dc-dc converter comprising solid state batteries |
| 12/13/2007 | WO2007061921A3 Radio-frequency (rf) power portal |
| 12/13/2007 | US20070285956 Power supply control loop with multiple leveling modes |
| 12/13/2007 | US20070285955 Parallel Operating System of DC-AC Converters and Controller IC Therefor |
| 12/13/2007 | US20070285953 Quasi-resonant converter and controlling method thereof |
| 12/13/2007 | US20070285952 Resonant converter and voltage stabilizing method thereof |
| 12/13/2007 | US20070285951 Switching circuit and a method of driving a load |
| 12/13/2007 | US20070285146 Semiconductor device with pump circuit |
| 12/13/2007 | US20070285077 Controller for DC-DC converter |
| 12/13/2007 | US20070285073 Switching Regulator and Voltage Control Method Thereof |
| 12/13/2007 | US20070285068 Method and apparatus for reducing audio noise in a switching regulator |
| 12/13/2007 | DE112004001589T5 Getrennter selbstschwingender Sperrwandler Separate self-oscillating flyback converter |
| 12/13/2007 | DE102007012497A1 Aktive Ausgleichsschaltungsmodule, Systeme und Kondensatorvorrichtungen Active equalization circuit modules, systems and capacitor devices |
| 12/12/2007 | EP1865592A1 Switched-mode electronic power device |
| 12/12/2007 | EP1865591A2 USB charger for commercial transport vehicle |
| 12/12/2007 | EP1864373A2 Solid state switching circuit |
| 12/12/2007 | EP1405394B1 Isolated drive circuitry used in switch-mode power converters |
| 12/12/2007 | CN200990564Y Isolated power source capable of avoiding generation of electric shock accident |
| 12/12/2007 | CN200990559Y Translational wiper converter auxiliary power supply |
| 12/12/2007 | CN200990558Y Soft switch zero ripple bidirectional DC/DC non-isolating converter |
| 12/12/2007 | CN101088212A Apparatus and method for minimizing power loss associated with dead time |
| 12/12/2007 | CN101088211A Power supply circuit, charge pump circuit, and portable appliance therewith |
| 12/12/2007 | CN101087199A Quickly-chargeable general serial bus micro B type power supply system |
| 12/12/2007 | CN101087107A 电源电路 Power circuit |
| 12/12/2007 | CN101087106A Power supply apparatus |
| 12/12/2007 | CN101087105A DC-DC converter and control for DC-DC converter |
| 12/12/2007 | CN101087104A 电源电路 Power circuit |
| 12/12/2007 | CN101087103A Method of DC power device for improving power factor and adjusting output voltage |
| 12/12/2007 | CN101086673A Method of forming a voltage regulator and structure therefor |
| 12/12/2007 | CN100355195C High-efficiency power supply apparatus used with a display panel driving system and method thereof |
| 12/12/2007 | CN100355194C Topological structure of switch power supply changer |
| 12/12/2007 | CN100355193C 半导体集成电路器件 The semiconductor integrated circuit device |
| 12/12/2007 | CN100355192C Pulse width modulation switch power circuit |
| 12/12/2007 | CN100355191C Controlling circuit, controlling method and sequence generator for dc-dc converter |
| 12/12/2007 | CN100355179C Output voltage adjustable combined battery |
| 12/12/2007 | CN100354993C Charge transfer apparatus and method therefor |
| 12/11/2007 | US7307858 Power supply arrangement for battery powered device |
| 12/11/2007 | US7307857 Non-isolated DC-DC converters with direct primary to load current |
| 12/11/2007 | US7307475 RF generator with voltage regulator |
| 12/11/2007 | US7307466 Potential detector and semiconductor integrated circuit |
| 12/11/2007 | US7307465 Step-down voltage output circuit |
| 12/11/2007 | US7307462 Self-oscillating driver with soft start circuit |
| 12/11/2007 | US7307412 Inductive measurement system and method |
| 12/11/2007 | US7307407 Power supply apparatus |
| 12/11/2007 | US7307405 Transition mode operating device for the correction of the power factor in switching power supply units |
| 12/11/2007 | US7307385 Boost controller capable of step-up ratio control |
| 12/06/2007 | WO2007139148A1 Dc-dc converter |
| 12/06/2007 | WO2007138935A1 Power supply device and its control method |
| 12/06/2007 | WO2007138537A2 Generating drive signals for a synchronous rectification switch of a flyback converter |
| 12/06/2007 | WO2007138513A1 Digitally controlled dc-dc converter |
| 12/06/2007 | WO2007019086A3 Ac coupled bias circuit for power converters |
| 12/06/2007 | US20070279952 Switching power supply utilizing switch-selectable resistors to determine output voltage |
| 12/06/2007 | US20070279950 Booster power supply circuit and control method therefor and driver IC |
| 12/06/2007 | US20070279946 Dc-ac converter, and method for supplying ac power |
| 12/06/2007 | US20070279945 Flyback converter with improved synchronous rectification |
| 12/06/2007 | US20070279034 Digital Dc-Dc Converter Using Digital Modulation |
| 12/06/2007 | US20070279024 Dc/Dc Voltage Regulator With Automatic Current Sensing Selectability For Linear And Swith Mode Operation Utilizing A Single Voltage Reference |
| 12/06/2007 | US20070279019 Transformer Based Voltage Supply |
| 12/06/2007 | US20070278197 Method And Apparatus For Receiving A Universal Input Voltage In A Welding, Plasma Or Heating Power Source |
| 12/06/2007 | DE10235787B4 Last-Treibervorrichtung für ein Fahrzeug Load driving apparatus for a vehicle |
| 12/05/2007 | EP1863159A1 Switching power supply circuit |
| 12/05/2007 | EP1863157A1 Controller for DC-DC converters with by-pass compensation also for multi-phase applications |
| 12/05/2007 | EP1861913A2 A power supply system |
| 12/05/2007 | EP1766490A4 A device for distributed maximum power tracking for solar arrays |
| 12/05/2007 | CN200987124Y Pulse wave controller with dual-crossbar gate |
| 12/05/2007 | CN200987123Y Vehicle mounted electrical source switching device |