| Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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| 04/22/2004 | WO2004034662A1 Circuit arrangement for electrically isolated signal transmission |
| 04/22/2004 | WO2004034558A1 Power supply having two switch-mode power supply units |
| 04/22/2004 | WO2004034439A2 Method and apparatus for driving a power mos device as a synchronous rectifier |
| 04/22/2004 | US20040076027 Control method for parallel-connected power converters |
| 04/22/2004 | US20040076026 Buck converter with transient suppression |
| 04/22/2004 | US20040076024 Feed-forward method for improving a transient response for a DC-DC power conversion and DC-DC voltage converter utilizing the same |
| 04/22/2004 | US20040076023 Power regeneration circuit and power conversion system |
| 04/22/2004 | US20040076022 Switching mode power supply for low power operation |
| 04/22/2004 | US20040076021 Switching power supply |
| 04/22/2004 | US20040075600 Data processor controlled DC to DC converter system and method of operation |
| 04/22/2004 | US20040075486 Gate driving circuit |
| 04/22/2004 | US20040075423 Power control circuit |
| 04/22/2004 | US20040075394 Switching regulator circuit and vehicular lamp |
| 04/22/2004 | DE10311900A1 Gleichstrom-Gleichstromwandler DC-DC converter |
| 04/22/2004 | DE10247915A1 Operating oscillator of charge pumping unit, supplies frequency-modulated control signal to oscillator input |
| 04/22/2004 | DE10247475A1 Power supply with standby mode, e.g. for TV set, has two switched-mode supplies one of which is disabled when in standby mode |
| 04/22/2004 | DE10197220T5 Umschalt-Leistungsversorgung unter Verwendung eines Teiloperationsschemas Switching power supply using a sub-operation scheme |
| 04/21/2004 | EP1411754A1 Electronic ballast circuit |
| 04/21/2004 | EP1411622A2 Inverter circuits |
| 04/21/2004 | EP1411406A2 Power supply unit with two or more power supplies |
| 04/21/2004 | EP1411205A2 Power conversion unit and method of providing power to a window covering |
| 04/21/2004 | EP1410489A2 Power converters |
| 04/21/2004 | EP1410488A2 Energy converting device |
| 04/21/2004 | EP1410486A2 Power factor correction circuit with a coil |
| 04/21/2004 | EP1277097A4 Low power mode and feedback arrangement for a switching power converter |
| 04/21/2004 | EP1078378A4 Power regulator |
| 04/21/2004 | EP0932927B1 Control apparatus with reduced quiescent current |
| 04/21/2004 | CN1491476A Dc-dc变换器 Dc-dc converter |
| 04/21/2004 | CN1490924A Energy controlling circuit for switch power supply of plasma displaying board and method thereof |
| 04/21/2004 | CN1490913A Power supplier with spark preventive function and method thereof |
| 04/21/2004 | CN1490693A Power supply with cutting electronic apparatus and power supply controller |
| 04/21/2004 | CN1147209C Inverter |
| 04/21/2004 | CN1147045C System and method for equalizing power from two power sources |
| 04/20/2004 | US6724647 Variable logical circuit, semiconductor integrated circuit, and method for manufacturing semiconductor integrated circuit |
| 04/20/2004 | US6724644 AC/DC converter |
| 04/20/2004 | US6724642 Method and apparatus for providing an initial bias and enable signal for a power converter |
| 04/20/2004 | US6724257 Error amplifier circuit |
| 04/20/2004 | US6724245 Boosting circuit |
| 04/20/2004 | US6724242 Pump circuits and methods for integrated circuits including first and second oscillators and first and second pumps |
| 04/20/2004 | US6724241 Variable charge pump circuit with dynamic load |
| 04/20/2004 | US6724240 Method and integrated circuit for boosting a voltage |
| 04/20/2004 | US6724239 Voltage boost circuit and low supply voltage sampling switch circuit using same |
| 04/20/2004 | US6724175 Power supply control device, power supply circuit, power supply control method, and electronic apparatus controlling output voltage thereof in accordance with a voltage detected across an on switching element |
| 04/20/2004 | US6724174 Adjustable minimum peak inductor current level for burst mode in current-mode DC-DC regulators |
| 04/17/2004 | CA2443544A1 Power conversion unit and method of providing power to a window covering |
| 04/15/2004 | WO2004032315A1 Dc/ac conversion device and ac power supply method |
| 04/15/2004 | WO2004032303A2 Switching dc-dc power converter and battery charger for use with direct oxidation fuel cell power source |
| 04/15/2004 | WO2004032243A1 Power semiconductor devices |
| 04/15/2004 | WO2004031928A1 Power supply system and electronic device comprising the same |
| 04/15/2004 | WO2003106826A3 Improved pulse forming converter |
| 04/15/2004 | WO2002054570A3 Control method and apparatus for a flyback converter |
| 04/15/2004 | US20040071031 Regulator circuit for independent adjustment of pumps in multiple modes of operation |
| 04/15/2004 | US20040071004 DC-DC converter |
| 04/15/2004 | US20040071001 Method and apparatus providing a multi-function terminal for a power supply controller |
| 04/15/2004 | US20040070999 Charge pump drive signal recovery circuit |
| 04/15/2004 | US20040070997 Circuitry for resetting magnetic field of transformer |
| 04/15/2004 | US20040070996 Low voltage power supply system for an electric blanket or the like |
| 04/15/2004 | US20040070995 DC-DC converter |
| 04/15/2004 | US20040070994 Switching power supply unit |
| 04/15/2004 | US20040070950 Voltage conversion module |
| 04/15/2004 | US20040070906 Synchronous buck and boost regulator power reduction circuit using high side sensing |
| 04/15/2004 | US20040070441 Bulk node biasing method and apparatus |
| 04/15/2004 | US20040070434 Voltage conversion circuit and semiconductor intergrated circuit device provided with it |
| 04/15/2004 | US20040070382 Synchronization of multiphase synthetic ripple voltage regulator |
| 04/15/2004 | US20040070381 Switching power source apparatus |
| 04/15/2004 | US20040070380 Voltage converting circuit |
| 04/15/2004 | US20040070379 Switching mode power supply with forward-looking regulation for a pulsed load |
| 04/15/2004 | US20040070378 Low power mode detection circuit for a DC/DC converter |
| 04/15/2004 | US20040070377 Method and circuits for reducing dead time and reverse recovery loss in buck regulators |
| 04/15/2004 | US20040070376 Switching power supply unit |
| 04/15/2004 | US20040070375 Step-down converter |
| 04/15/2004 | US20040070374 Switching regulator circuit |
| 04/15/2004 | US20040070283 Duty cycle phase number control of polyphase interleaved converters |
| 04/15/2004 | DE10345651A1 Gleichstromwandler DC-DC converter |
| 04/15/2004 | DE10245368A1 Operation of welding power supply, includes switching components controlled to produce required inverter output voltage and current profile |
| 04/14/2004 | EP1408605A2 Power regeneration circuit and power conversion system |
| 04/14/2004 | EP1408604A1 A charge pump with current peak noise reduction |
| 04/14/2004 | EP1407530A2 Circuit breaker |
| 04/14/2004 | EP1301984B1 Fully digital voltage transformer |
| 04/14/2004 | CN2612146Y Battery output voltage DC/DC boosted circuit |
| 04/14/2004 | CN1489290A Power-supply operation circuit with improved driving circuit |
| 04/14/2004 | CN1489272A Phase-shift full-bridge high-frequency inverter based on DSP |
| 04/14/2004 | CN1489270A Switching power source device |
| 04/14/2004 | CN1489269A Switching power source device |
| 04/14/2004 | CN1489268A Step-down conversion circuit |
| 04/14/2004 | CN1489267A Power source system |
| 04/14/2004 | CN1489124A Display device with temperature compensating function |
| 04/14/2004 | CN1145859C Electronic apparatus and method for controlling electronic apparatus |
| 04/13/2004 | US6721893 System for suspending operation of a switching regulator circuit in a power supply if the temperature of the switching regulator is too high |
| 04/13/2004 | US6721211 Voltage generator for semiconductor memory device |
| 04/13/2004 | US6721192 PWM controller regulating output voltage and output current in primary side |
| 04/13/2004 | US6721191 Resonant converter |
| 04/13/2004 | US6720822 Negative charge pump architecture with self-generated boosted phases |
| 04/13/2004 | US6720740 Discharge lamp ballast circuit having snubber circuit |
| 04/13/2004 | US6720706 Reduced component drive circuit |
| 04/13/2004 | US6720705 Method of driving a piezoelectric transformer and power source apparatus using the same |
| 04/13/2004 | US6719435 Dc-Dc converter with reduced input current ripples |
| 04/13/2004 | CA2354541C Boost converter with reduced switching loss |
| 04/08/2004 | WO2004030194A1 Switching mode power supplies |
| 04/08/2004 | WO2004030193A1 Regulation of bi-directional flyback converter |