| Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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| 01/15/2002 | US6339262 Switching power supply using an input DC power supply |
| 01/10/2002 | WO2002003537A1 Method and apparatus for improving efficiency in a switching regulator at light loads |
| 01/10/2002 | WO2002003534A1 A multi-output dc/dc converter in pfm/pwm mode |
| 01/10/2002 | WO2002003533A1 Electric power conversion system |
| 01/10/2002 | WO2002003532A2 Multiple phase voltage regulator system |
| 01/10/2002 | WO2001004923A9 Method and system for driving a solenoid |
| 01/10/2002 | US20020003715 Isolated converter |
| 01/10/2002 | US20020003714 Method and arrangement for regulating low output voltages in multile output flyback DC/DC converters |
| 01/10/2002 | US20020003713 Single phase AC-DC converter having a power factor control function |
| 01/10/2002 | US20020003451 Two-stage amplifier |
| 01/10/2002 | US20020003448 Charge pump configuration |
| 01/10/2002 | US20020003419 DC/DC converter |
| 01/10/2002 | DE10031207A1 Integrated circuit with voltage pump circuit has voltage level adjusted appropriate to two operating modes |
| 01/09/2002 | EP1170853A2 A single phase AC-DC converter having power factor control function |
| 01/09/2002 | EP1170852A2 DC-DC converter, control circuit and monitor circuit and method for such converter, and electronic equipment |
| 01/09/2002 | EP1170851A2 Circuit assembly for doubling the voltage of a battery |
| 01/09/2002 | EP1169772A2 Power supply unit including an inverter |
| 01/09/2002 | EP1169771A1 Circuit configuration for operating light-emitting diodes |
| 01/09/2002 | EP1078444A4 Pwm controller for use with open loop dc to ac converter |
| 01/09/2002 | EP0784811B1 An improved variable-voltage cpu voltage regulator |
| 01/08/2002 | US6337594 Charge pump circuit |
| 01/08/2002 | US6337563 DC-DC converter and semicondutor integrated circuit device for DC-DC converter |
| 01/08/2002 | CA2221640C Modular and low power ionizer |
| 01/03/2002 | WO2002001705A1 Switched mode power supply comprising a function for the recognition of a broken feedback loop |
| 01/03/2002 | WO2002001704A1 Bidirectional voltage converter |
| 01/03/2002 | WO2001033689A3 A simplified current share circuit |
| 01/03/2002 | US20020001213 Integrated circuit (ic) switching power converter |
| 01/03/2002 | US20020001210 Switching power supply |
| 01/03/2002 | US20020001208 Non-linear adaptive voltage positioning for DC-DC converters |
| 01/03/2002 | US20020001207 Semiconductor integrated circuit and nonvolatile |
| 01/03/2002 | US20020001206 Spike control apparatus and methol for dc-dc convertet |
| 01/03/2002 | US20020001204 Method and apparatus to digitally control turn-off time of synchronous rectifiers in isolated topologies for switched mode power supplies |
| 01/03/2002 | US20020001203 Soft transition converter |
| 01/03/2002 | US20020000923 Switching power supply circuit |
| 01/03/2002 | US20020000870 Voltage blocking method and apparatus for a charge pump with diode connected pull-up and pull-down on boot nodes |
| 01/03/2002 | US20020000869 Charge pump circuit with bypass transistor |
| 01/03/2002 | US20020000797 Switching regulator with capacitance near load |
| 01/03/2002 | US20020000796 Feedforward clamping applied to the control voltage in switch mode power supplies (SMPS) |
| 01/03/2002 | US20020000795 Universal pulse width modulated zero voltage transition switching cell |
| 01/02/2002 | EP1168740A2 Line driver with adaptive impedance |
| 01/02/2002 | EP1168587A2 DC/DC converter circuit |
| 01/02/2002 | EP1168387A2 Isolated converter |
| 01/02/2002 | CN1329389A Dc－dc变换器 Dc-dc converter |
| 01/02/2002 | CN1329388A Comprehensive resonance DC-DC frequency converter and high voltage generating circuit in multiple frequency area excitation |
| 01/02/2002 | CN1077349C Power-supply circuit |
| 01/02/2002 | CN1077340C Intelligent power supply with staged loading capability |
| 01/01/2002 | US6335871 Motor operation controller and insulation type bidirectional DC voltage converter |
| 01/01/2002 | US6335577 Power supply control unit and power supply control method |
| 01/01/2002 | US6335520 Microwave oven and a method for controlling the same |
| 01/01/2002 | CA2198096C A self-excited oscillator type switch power supply with overcurrent protection |
| 01/01/2002 | CA2143821C Switching power supply adapted for reduced voltage communication |
| 01/01/2002 | CA2090286C Device for generating an electrical voltage of predetermined waveform, iontophoresis apparatus for transdermally administering medicinal products and electrical stimulation apparatus, which apparatuses are equipped with such a device |
| 12/27/2001 | WO2001099265A1 Dual drive buck regulator |
| 12/27/2001 | WO2001060127A3 A flashlight |
| 12/27/2001 | WO2001048899A3 Multi-output switched power converter providing an uninterrupted voltage at one output |
| 12/27/2001 | US20010056551 Energy supply device and circuit configuration that includes the energy supply device |
| 12/27/2001 | US20010055217 Rotating asynchronous converter and a generator device |
| 12/27/2001 | US20010054928 High voltage charge pump circuit |
| 12/27/2001 | US20010054885 Switching regulator |
| 12/27/2001 | US20010054883 Integrated low ripple, high frequency power efficient hysteretic controller for dc-dc converters |
| 12/27/2001 | US20010054881 Capacitor charging method and charging apparatus |
| 12/27/2001 | US20010054760 Semiconductor integrated circuit |
| 12/26/2001 | CN2468222Y Multi-channel parallel boost type power-factor correcting apparatus |
| 12/26/2001 | CN2468221Y Switch type power supply changeover device with improved non-loss buffer network |
| 12/26/2001 | CN1328403A Slave voltage stabilizer with super-large capacity capacitor |
| 12/26/2001 | CN1328378A Ultrahigh-power DC converter |
| 12/26/2001 | CN1328279A Power system for supplying auxiliary output voltage |
| 12/25/2001 | US6333862 Switched mode power supply and controlling method thereof |
| 12/25/2001 | US6333861 Low loss snubber and transformer reset circuit for forward converters |
| 12/25/2001 | US6333669 Voltage converting circuit allowing control of current drivability in accordance with operational frequency |
| 12/25/2001 | US6333624 Circuit and method for a switching power supply with primary side transformer sensing |
| 12/25/2001 | CA2148450C Electrostatic spray device with photoelectric switching means |
| 12/20/2001 | WO2001097379A2 Intelligent switch for connecting power to a load |
| 12/20/2001 | WO2001097371A1 A dc to dc flyback converter |
| 12/20/2001 | WO2001097370A1 Multi-phase pulse width modulated voltage regulator |
| 12/20/2001 | WO2001097369A1 Method of and circuit for supplying an induction coil |
| 12/20/2001 | WO2001097368A2 Switching converter |
| 12/20/2001 | WO2001097367A1 Thermal protection circuit for high output power supplies |
| 12/20/2001 | WO2001096993A2 Control circuit for sequentially switching electrical loads |
| 12/20/2001 | WO2001067587A3 Power supply circuit comprising silicon carbide components |
| 12/20/2001 | WO2001056130A3 Method and device for regulating the parallel operation of dc converters |
| 12/20/2001 | WO2001037413A3 Multi-phase and multi-module power supplies with balanced current between phases and modules |
| 12/20/2001 | US20010053084 Resonant switched power converter |
| 12/20/2001 | US20010052812 Charge-pump circuit and control method thereof |
| 12/20/2001 | US20010052762 Power supply device and information processing apparatus having the power supply device |
| 12/19/2001 | EP1164690A2 Complex resonant DC-DC converter and high voltage generating circuit driven in a plurality of frequency regions |
| 12/19/2001 | EP1164454A1 Voltage supply circuit and method of controlling the same |
| 12/19/2001 | EP1016203B1 Circuit for determining the output power of switched-mode power supply |
| 12/19/2001 | CN1327629A Switching circuit of power converter |
| 12/19/2001 | CN1327289A Power supply equipment and method |
| 12/19/2001 | CN1076538C Opposed current powr converter |
| 12/19/2001 | CN1076537C 辅助电源控制 Auxiliary Power Control |
| 12/19/2001 | CN1076536C Fault control circuit for switched power supply |
| 12/19/2001 | CN1076242C Transformer for antiphase resistance welder |
| 12/13/2001 | WO2001095467A2 Switching power converter with gated oscillator control |
| 12/13/2001 | WO2001033709A3 Externally-driven scheme for synchronous rectification |
| 12/13/2001 | US20010050853 Dc-to-dc converter |
| 12/13/2001 | US20010050591 Power supply, electronic device using the same, and output |
| 12/13/2001 | US20010050549 Switch mode power supply with reduced switching losses |
| 12/13/2001 | US20010050547 DC-DC converter and semiconductor integrated circuit device for DC-DC converter |