| Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) | 
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| 11/27/2013 | CN103414322A Control circuit, switch converter and control method of switch converter | 
| 11/27/2013 | CN103414259A Current-mode IPT system efficiency optimizing control circuit and method | 
| 11/27/2013 | CN102386779B Switching power supply | 
| 11/27/2013 | CN102368662B Current reference generation circuit, constant current switch power supply control circuit and control method thereof | 
| 11/27/2013 | CN102231596B Micropower consumption direct-current voltage stabilizer | 
| 11/27/2013 | CN102208872B Forward DC (direct current) converters sharing RCD (resistor-capacitor diode) magnetic reset branch circuit | 
| 11/27/2013 | CN102195459B Active snubber circuit and power supply circuit | 
| 11/27/2013 | CN102170232B Self-driven active buffer and flyback switching mode power supply | 
| 11/27/2013 | CN102097949B Switching power supply and controlling method thereof | 
| 11/27/2013 | CN101911285B Semiconductor device and manufacturing method thereof | 
| 11/27/2013 | CN101743683B Power factor correction (PFC) controller and method using finite state machine to adjust duty cycle of PWM control signal | 
| 11/26/2013 | US8593843 Electric power conversion device capable of suppressing electric oscillations | 
| 11/26/2013 | US8593841 Compensation circuit for constant current regulation of power supply and method thereof | 
| 11/26/2013 | US8593840 Boosting circuit and RFID tag including boosting circuit | 
| 11/26/2013 | US8593836 Power converter using soft switching method for zero current switching at turn on and zero voltage switching at turn off | 
| 11/26/2013 | US8593835 Duty balancing oscillator | 
| 11/26/2013 | US8593834 DC converter with independently controlled outputs | 
| 11/26/2013 | US8593833 Method and apparatus for a flyback power converter providing output voltage and current regulation without input capacitor | 
| 11/26/2013 | US8593832 Apparatus and method for sensing of isolated output | 
| 11/26/2013 | US8593831 Method for controlling a series resonant DC/DC converter | 
| 11/26/2013 | US8593830 Reverse current limit protection for active clamp converters | 
| 11/26/2013 | US8593254 Semiconductor integrated circuit, card comprising the same, and operating method of semiconductor integrated circuit | 
| 11/26/2013 | US8593116 Switched-mode power supply including switch protection circuit | 
| 11/26/2013 | US8591437 Advanced handable skin care device and operating method thereof | 
| 11/25/2013 | DE202009018846U1 Schaltungsanordnung mit einem Hochsetzsteller und Wechselrichterschaltung mit einer solchen Schaltungsanordnung Circuitry with a boost converter and inverter circuit with a circuit arrangement | 
| 11/21/2013 | WO2013173160A2 Switched mode power converter for high voltage applications | 
| 11/21/2013 | WO2013173075A1 Power converter and method | 
| 11/21/2013 | WO2013171924A1 Multichannel dc-dc converter | 
| 11/21/2013 | WO2013171900A1 Power supply device | 
| 11/21/2013 | WO2013171899A1 Inverter device | 
| 11/21/2013 | WO2013170899A1 A battery energy storage, battery energy storage system, method, computer program and computer program product | 
| 11/21/2013 | WO2013170808A1 Power source and power source voltage regulating method | 
| 11/21/2013 | WO2013170658A1 Flyback circuit and method for reducing leakage inductance incurred loss of transformer with flyback circuit | 
| 11/21/2013 | WO2013079300A3 Clocking method of a series resonant dc/dc converter of a multi-point medium-frequency feeding converter of a traction converter | 
| 11/21/2013 | WO2013029827A3 Converter circuit and method for transferring electrical energy | 
| 11/21/2013 | WO2013004542A3 Actuation circuit and method for actuating the input switching stage of a transformer circuit | 
| 11/21/2013 | US20130308350 Systems and methods for constant voltage mode and constant current mode in flyback power converters with primary-side sensing and regulation | 
| 11/21/2013 | US20130308349 Switching regulator, the control circuit and the method thereof | 
| 11/21/2013 | US20130308348 Converter | 
| 11/21/2013 | US20130308347 Resonant switching power supply device | 
| 11/21/2013 | US20130308345 Variable Duty Cycle Switching With Imposed Delay | 
| 11/21/2013 | US20130308344 Power converter and method | 
| 11/21/2013 | US20130308061 Switching Power Supply Device | 
| 11/21/2013 | US20130307917 Power supply apparatus and image forming apparatus | 
| 11/21/2013 | US20130307616 Snubber for a direct current (dc)-dc converter | 
| 11/21/2013 | US20130307511 Hysteretic current mode controller for a bidirectional converter with lossless inductor current sensing | 
| 11/21/2013 | US20130307510 Method for converting a high voltage level to a low voltage level | 
| 11/21/2013 | US20130307508 Method for Regulating a Buck/Boost Converter | 
| 11/21/2013 | US20130307507 Method and apparatus for zero current detection | 
| 11/21/2013 | US20130307497 Switching power supply device | 
| 11/21/2013 | US20130307496 Semiconductor device and driving method thereof | 
| 11/21/2013 | US20130307436 Method for improving operation lifetime of capacitor, capacitor control circuit structure and use thereof | 
| 11/21/2013 | US20130307339 Optimized control of a power converter in response to load conditions | 
| 11/21/2013 | US20130307332 Power supply device | 
| 11/21/2013 | DE102013208894A1 Digitaler Ereignisgenerator, Komparator, Schaltenergiewandler und Verfahren Digital event generator, comparator, switching power converter and method | 
| 11/21/2013 | DE102013208757A1 Gleichspannungswandler zur einhüllendenverfolgung DC voltage converter for einhüllendenverfolgung | 
| 11/21/2013 | DE102007057239B4 Schaltungsanordnung insbesondere für DC/DC-Wandler und Verfahren zur Steuerung eines solchen A circuit arrangement in particular for DC / DC converter, and method for controlling such a | 
| 11/20/2013 | EP2665172A1 Soft-switching | 
| 11/20/2013 | EP2665171A1 Charge pump circuit and method for generating a supply voltage | 
| 11/20/2013 | EP2664053A2 Method and apparatus for providing uninterruptible power | 
| 11/20/2013 | EP1553686B1 High voltage DC power supply and method of operating such high voltage DC power supply | 
| 11/20/2013 | CN203301805U Multichannel power supply system with constant current and constant voltage output | 
| 11/20/2013 | CN203301395U Bus-type voltage-stabilized power supply device | 
| 11/20/2013 | CN203301387U Large-power high-frequency and high-voltage power supply | 
| 11/20/2013 | CN203301378U Voltage converting circuit | 
| 11/20/2013 | CN203301377U Power supply controller | 
| 11/20/2013 | CN203301376U Vehicle direct current transition assembly | 
| 11/20/2013 | CN203301375U Hierarchical thought-based fuzzy PI double loop-controlled direct-current boost circuit | 
| 11/20/2013 | CN203301374U Switching power supply and switching power supply controller for realizing constant output current | 
| 11/20/2013 | CN203301373U Switching power supply and switching power supply controller for realizing constant output current | 
| 11/20/2013 | CN203301372U Boost converter | 
| 11/20/2013 | CN203301371U Power supply management circuit and set top box | 
| 11/20/2013 | CN203301370U Electric bicycle converter | 
| 11/20/2013 | CN203301369U Electronic device and apparatus for converting power for mobile device | 
| 11/20/2013 | CN203301368U Voltage-reduction-type switch power supply and control circuit thereof | 
| 11/20/2013 | CN203301367U FPGA on-chip SRAM power supply | 
| 11/20/2013 | CN203301366U A novel double-input SEPICDC-DC converter using wind and light complementation | 
| 11/20/2013 | CN203301365U Bootstrap-type pre-charge self-discharge circuit of controller | 
| 11/20/2013 | CN203301364U Charge pump circuit with low-saturation voltage and current-limit switch | 
| 11/20/2013 | CN203301363U Boosting heavy current switching regulator | 
| 11/20/2013 | CN203301362U High-efficiency, large-power and adjustable stabilized power supply | 
| 11/20/2013 | CN203301361U Intelligent current and voltage isolated transmitter for photovoltaic grid-connected inverter | 
| 11/20/2013 | CN203301360U High conversion efficiency boost control integration circuit with PWM overcurrent control | 
| 11/20/2013 | CN203301359U Active PFC circuit | 
| 11/20/2013 | CN203301217U Uninterrupted power supply (UPS) providing dc and ac output | 
| 11/20/2013 | CN1832312B Voltage control circuit and method for supplying an electrical component with a supply voltage | 
| 11/20/2013 | CN103404013A Controlling a switched mode power supply with maximised power efficiency | 
| 11/20/2013 | CN103404012A Control for switching between PWM and PFM operation in buck converter | 
| 11/20/2013 | CN103404011A Power conversion device and refrigeration/ac system | 
| 11/20/2013 | CN103402293A High brightness LED flashlight adopting single battery | 
| 11/20/2013 | CN103402284A Drive unit, smoothing circuit, and DC/DC converter | 
| 11/20/2013 | CN103401499A Disc-type coreless permanent-magnet synchronous motor controller based on current inverter and method | 
| 11/20/2013 | CN103401468A Plasma arc starting circuit | 
| 11/20/2013 | CN103401466A Inversion power supply system | 
| 11/20/2013 | CN103401465A Wide range voltage adjustable buck-boost single-stage inverter circuit device | 
| 11/20/2013 | CN103401463A Miniature photovoltaic grid-connected inverter with optimized DC (Direct Current) bus capacitor and control method | 
| 11/20/2013 | CN103401458A Three-level resonance converter of high-frequency and high-voltage generator | 
| 11/20/2013 | CN103401449A High-power digital power amplification output circuit | 
| 11/20/2013 | CN103401442A Output constant current-based digital controller of AC-DC (alternating current-direct current) isolated converter | 
| 11/20/2013 | CN103401440A Power supply circuit of prepayment electricity meter dedicated circuit breaker |