| Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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| 02/18/2009 | CN101369779A Switching mode power supply apparatus having passive clamp circuit |
| 02/18/2009 | CN101369778A Switched-mode power supply and power supplying method thereof |
| 02/18/2009 | CN101369777A Power control circuit and electronic ballast with the same |
| 02/18/2009 | CN101369776A Switch type electric voltage converter for shielding switch noise and method thereof |
| 02/18/2009 | CN101369775A High efficiency charge pump DC to DC converter circuits and methods |
| 02/18/2009 | CN101369774A Anti-oscillation asynchronous pressure boosting type electric voltage converter and its anti-oscillation method |
| 02/18/2009 | CN101369773A Method, device and system for start-up time reduction in switching regulators |
| 02/18/2009 | CN100463400C Digital user loop terminal and its power system |
| 02/18/2009 | CN100463349C Total feed forward switching power supply and control method thereof |
| 02/18/2009 | CN100463348C Switching power supply device |
| 02/18/2009 | CN100463347C DC regulated power supply |
| 02/18/2009 | CN100463346C Switch power supply device and electronic instrument with display device |
| 02/18/2009 | CN100463345C Control circuit of switching regulator, and power source device and electronic device using the control circuit |
| 02/18/2009 | CN100463344C Control circuit for dc-dc converter in semiconductor integrated circuit device |
| 02/18/2009 | CN100463343C Power supply |
| 02/18/2009 | CN100463342C Reverse current prevention circuit capable of self-correcting reference benchmark |
| 02/18/2009 | CN100463341C Voltage-adjustable voltage switching circuit |
| 02/18/2009 | CN100463340C Circuit of controlling power of general serial bus interface |
| 02/18/2009 | CN100463339C Multi-mode charge pump driving circuit of improving input noise when switching modes |
| 02/18/2009 | CN100463338C High-voltage frequency changing standard transducing power unit |
| 02/18/2009 | CN100463178C Semiconductor device and boosting circuit |
| 02/17/2009 | US7493504 System and method for interleaving point-of-load regulators |
| 02/17/2009 | US7492620 DC-AC converter and controller IC thereof |
| 02/17/2009 | US7492619 System and method for providing control for switch-mode power supply |
| 02/17/2009 | US7492615 Switching power supply |
| 02/17/2009 | US7492614 Switching power supply apparatus |
| 02/17/2009 | US7492613 Control circuit of power converter having adaptive bias for detecting reflected voltage of transformer |
| 02/17/2009 | US7492612 High-voltage generator |
| 02/17/2009 | US7492229 Method and apparatus to improve frequency stability of an integrated circuit oscillator |
| 02/17/2009 | US7492139 Digital control circuit for switching power supply with serial data input |
| 02/17/2009 | US7492138 Synchronous rectifier circuits and method for utilizing common source inductance of the synchronous FET |
| 02/12/2009 | WO2009020898A2 Enhancement of power conversion efficiency using dynamic load detecting and tracking |
| 02/12/2009 | WO2009020707A1 High efficiency dc-dc converter using pulse skipping modulation with programmable burst duration |
| 02/12/2009 | WO2009020152A1 Direct power converter |
| 02/12/2009 | WO2009019634A1 Solid state lighting system and a driver integrated circuit for driving light emitting semiconductor devices |
| 02/12/2009 | WO2009018690A1 Synchronous rectifying circuit for resonant power converters |
| 02/12/2009 | WO2008132401A3 Device for balancing the power supplied by power generators |
| 02/12/2009 | US20090040799 Universal Energy Supply System |
| 02/12/2009 | US20090040796 Bipolar transistor drivers |
| 02/12/2009 | US20090040795 Method and apparatus for increasing the power capability of a power supply |
| 02/12/2009 | US20090040794 Time-Multiplexed Multi-Output DC/DC Converters and Voltage Regulators |
| 02/12/2009 | US20090040793 Start-up time reduction in switching regulators |
| 02/12/2009 | US20090040792 Synchronous rectifying circuit for resonant power converters |
| 02/12/2009 | US20090040791 Enhancement of power conversion efficiency using dynamic load detecting and tracking |
| 02/12/2009 | US20090039857 Driver with control interface facilitating use of the driver with varied dc-to-dc converter circuits |
| 02/12/2009 | US20090039850 Control device of a switching converter and relative switching converter |
| 02/12/2009 | US20090039837 Charging apparatus having a switching element for controlling charging power |
| 02/12/2009 | US20090039787 Power supply and plasma display including the same |
| 02/12/2009 | US20090039394 Semiconductor device |
| 02/11/2009 | EP2023472A1 Dc-dc converter |
| 02/11/2009 | EP2023471A1 Power supply device and its control method |
| 02/11/2009 | EP2023318A1 Power supply and plasma display including the same |
| 02/11/2009 | EP2022295A1 Lighting system and method for operating a lighting system |
| 02/11/2009 | EP2022156A1 An energy distributing circuit arrangement, including a dc/dc-converter |
| 02/11/2009 | CN201194412Y Electric power switching device and signal processing apparatus |
| 02/11/2009 | CN201194372Y Three-phase input non-isolation type converter |
| 02/11/2009 | CN201194369Y Ultra-high-voltage DC generator |
| 02/11/2009 | CN201194368Y Step-down transformer for diode |
| 02/11/2009 | CN101366165A Adaptive leading edge blanking circuit |
| 02/11/2009 | CN101365995A Booster-powered valve system |
| 02/11/2009 | CN101364773A Ac/dc converter, and ac/dc conversion method using it |
| 02/11/2009 | CN101364771A Single chip controlled power supply apparatus |
| 02/11/2009 | CN101364770A Single chip integrated high frequency voltage descending DC-DC converter |
| 02/11/2009 | CN101364769A DC chopper circuit |
| 02/11/2009 | CN101364768A Power supply device and electronic appliance provided therewith |
| 02/11/2009 | CN101364767A Semiconductor circuit and switching power supply apparatus |
| 02/11/2009 | CN101364766A Voltage regulating circuit |
| 02/11/2009 | CN101364765A Charge pump circuit and nonvolatile memory |
| 02/11/2009 | CN101364764A Voltage pump apparatus and operating method thereof |
| 02/11/2009 | CN101364486A Light emitting keyboard with lightness adjustable |
| 02/11/2009 | CN101364374A Power supply and plasma display including the same |
| 02/11/2009 | CN100461604C Switching power source apparatus |
| 02/11/2009 | CN100461603C Isolated self-oscillation reverse exciting inverter |
| 02/11/2009 | CN100461602C DC-DC converter with reduced input current ripples |
| 02/11/2009 | CN100461601C A system and method for realizing the isolation of high frequency switch DC-DC conversion |
| 02/11/2009 | CN100461600C A power supply with instantaneous load |
| 02/11/2009 | CN100461599C Power converter controller |
| 02/11/2009 | CN100461598C Reset circuit of single-end ortho-exciting electric source |
| 02/11/2009 | CN100461597C Switching voltage regulator with low current trickle mode |
| 02/11/2009 | CN100461596C Switched mode power supply |
| 02/11/2009 | CN100461595C Control circuit and control method for dc-dc converter |
| 02/11/2009 | CN100461594C DC power voltage stabilizing transformer |
| 02/10/2009 | US7489975 Power supply device, information processing apparatus, and power control method |
| 02/10/2009 | US7489532 Apparatus and method for a power converter with feed-forward voltage compensation to enable a PFC circuit |
| 02/10/2009 | US7489528 Power supply control method, current-to-voltage conversion circuit and electronic apparatus |
| 02/10/2009 | US7489527 DC transformer with an output inductance integrated on a magnetic core thereof and a DC/DC converter employing the same |
| 02/10/2009 | US7489526 Power and information signal transfer using micro-transformers |
| 02/10/2009 | US7489491 Method and apparatus for fault condition protection of a switched mode power supply |
| 02/10/2009 | US7489198 Linear regulating switch |
| 02/10/2009 | US7489118 Method and apparatus for high-efficiency DC stabilized power supply capable of effectively reducing noises and ripples |
| 02/05/2009 | WO2009018090A1 Solar powered apparatus |
| 02/05/2009 | WO2009017783A1 Voltage converter with combined capacitive voltage divider, buck converter and battery charger |
| 02/05/2009 | WO2009017778A1 Voltage converter with combined buck converter and capacitive voltage divider |
| 02/05/2009 | WO2009017132A1 Power conversion device and method for manufacturing the same |
| 02/05/2009 | WO2009017096A1 Piezoelectric transformer |
| 02/05/2009 | WO2009016898A1 Switching regulator and method for controlling operation thereof |
| 02/05/2009 | WO2009016401A1 Multi - o utput dc - dc converter |
| 02/05/2009 | WO2009016344A1 Current driving method and circuit |
| 02/05/2009 | WO2009015960A1 Charge distribution by charge transfer within battery packs |
| 02/05/2009 | WO2009015687A1 Electronic ballast and method for operating at least one discharge lamp |