| Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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| 01/13/2005 | WO2004034439A3 Method and apparatus for driving a power mos device as a synchronous rectifier |
| 01/13/2005 | US20050010826 Slew rate limited reference for a buck converter |
| 01/13/2005 | US20050010825 Peak current sharing in a multi-phase buck converter power system |
| 01/13/2005 | US20050007796 Method for pulse modulation control of switching regulators |
| 01/13/2005 | US20050007794 Dc/ac converter and controller ic |
| 01/13/2005 | US20050007190 Potential generating circuit capable of correctly controlling output potential |
| 01/13/2005 | US20050007187 Charge pump circuit operating responsive to a mode |
| 01/13/2005 | US20050007186 Boost clock generation circuit and semiconductor device |
| 01/13/2005 | US20050007185 Booster circuit, semiconductor device, and display device |
| 01/13/2005 | US20050007184 Booster circuit, semiconductor device, and display device |
| 01/13/2005 | US20050007167 PWM switching regulator control circuit |
| 01/13/2005 | US20050007090 Method and apparatus for transferring energy in a power converter circuit |
| 01/13/2005 | US20050007089 Step-up/step-down DC-DC converter and portable device employing it |
| 01/13/2005 | US20050007087 Constant ON-time controller for a buck converter |
| 01/13/2005 | US20050007086 Switching regulator control circuit |
| 01/13/2005 | US20050007085 Load driving device and portable apparatus utilizing such driving device |
| 01/13/2005 | US20050007084 Hysteretic controlled switch regulator with fixed off time |
| 01/13/2005 | US20050007082 Control of DC/DC converters having synchronous rectifiers |
| 01/13/2005 | US20050007081 Multi-phase buck converter |
| 01/13/2005 | US20050007080 Semiconductor device including DC-DC converter control circuit |
| 01/13/2005 | US20050007078 Synchronous rectifier circuit and power supply |
| 01/13/2005 | US20050007076 Bootstrap capacitor charge circuit with limited charge current |
| 01/13/2005 | US20050007069 AC adapter having a function for lowering and heightening an adapter voltage |
| 01/13/2005 | US20050007036 DC-DC converter and device for operation of a high pressure discharge lamp using said converter |
| 01/13/2005 | US20050007034 Discharge power supply apparatus |
| 01/13/2005 | US20050006364 Power source with saturable reactor |
| 01/12/2005 | EP1496604A2 DC-DC converter and device for operation of a high pressure discharge lamp using said converter |
| 01/12/2005 | EP1496526A2 Method and apparatus for transferring energy in a power converter circuit |
| 01/12/2005 | EP1495826A1 Power source with saturable reactor |
| 01/12/2005 | EP1495532A2 Soft switching converter using current shaping |
| 01/12/2005 | EP1495531A1 High efficiency flyback converter |
| 01/12/2005 | EP1495530A2 Soft switching high efficiency flyback converter |
| 01/12/2005 | EP1495525A2 Device for the inductive transmission of electric power |
| 01/12/2005 | CN2671222Y Inverters |
| 01/12/2005 | CN1565073A 电压变换器 Voltage converter |
| 01/12/2005 | CN1564445A Self-driving circuit of synchronous rectifier tube of reverse excited transformer |
| 01/12/2005 | CN1564444A Current detecting circuit and supply converter having same circit |
| 01/12/2005 | CN1564443A Synchronous rectified self-driving circuit of resonance restoring positive excited transformer |
| 01/12/2005 | CN1564442A Isolation boost transformer of boosting induction adopting LCD non-loss absorption circuit and having coupled winding |
| 01/12/2005 | CN1564441A D.C voltage converter |
| 01/12/2005 | CN1564440A Low temp rising high precision boosting regulated supply |
| 01/12/2005 | CN1564438A Switcing linear composite free waveform power transformer |
| 01/11/2005 | US6842353 Switching power supply, and a method of driving the same |
| 01/11/2005 | US6842350 Dc-to-dc converter with flyback period detector circuit |
| 01/11/2005 | US6841983 Digital signal to pulse converter and method of digital signal to pulse conversion |
| 01/11/2005 | US6841979 Power distribution with digital current control |
| 01/11/2005 | US6841977 Soft-start with back bias conditions for PWM buck converter with synchronous rectifier |
| 01/11/2005 | US6841973 DC-DC conversion charging apparatus |
| 01/11/2005 | US6841835 MOS transistor and switching power supply |
| 01/06/2005 | WO2005002034A1 Current conversion |
| 01/06/2005 | WO2005001938A1 Semiconductor integrated circuit |
| 01/06/2005 | WO2003034391A9 Method and system for adjusting the voltage of a precharge circuit |
| 01/06/2005 | WO2003034385A9 System and method for illumination timing compensation in response to row resistance |
| 01/06/2005 | US20050002211 Power factor correction method and apparatus and power supply using the same |
| 01/06/2005 | US20050002209 Synchronous rectifier circuit |
| 01/06/2005 | US20050002208 Power supply for outputting a steady state voltage according to a load requirement |
| 01/06/2005 | US20050002207 Arrangement for demagnetizing a transformer |
| 01/06/2005 | US20050002206 Method and apparatus for substantially reducing electrical displacement current flow between input and output circuits coupled to input and output windings of an energy transfer element |
| 01/06/2005 | US20050002134 Switching-type constant current power supply device |
| 01/06/2005 | US20050002133 Power circuit protection apparatus |
| 01/06/2005 | US20050001603 Pulse-skipping PFM DC-DC converter using a voltage mode control loop |
| 01/06/2005 | US20050001602 Circuits and methods for synchronizing non-constant frequency switching regulators with a phase locked loop |
| 01/06/2005 | US20050001600 On-chip compensation control for voltage regulation |
| 01/06/2005 | US20050001599 Power supply system and method of controlling the same |
| 01/06/2005 | US20050001597 Synchronization of multiphase synthetic ripple voltage regulator |
| 01/06/2005 | US20050001485 Electronic device display system and method |
| 01/05/2005 | EP1494342A2 An under-Voltage detection circuit |
| 01/05/2005 | EP1494332A2 Power management topologies |
| 01/05/2005 | EP1493223A1 Voltage converter using mos transistors |
| 01/05/2005 | DE19801848B4 Spannungswandler mit einer selbstschwingenden Brückenschaltung Voltage converter comprising a self-oscillating bridge circuit |
| 01/05/2005 | DE10325519A1 Drive circuit for switch in switched mode power supply has first component group supplied with operating voltage via first input terminal and second component group supplied via supply connection |
| 01/05/2005 | DE102004027373A1 Gleichspannungwandelschaltung DC voltage conversion circuit |
| 01/05/2005 | CN2669542Y Power supply circuit for micro power consumption digital wireless multi-controlled switch |
| 01/05/2005 | CN1561570A Oscillating circuit, converter with such oscillating circuit, and preconditioner with such converter |
| 01/05/2005 | CN1560988A Topological structure of switch power supply changer |
| 01/05/2005 | CN1183652C Switch power supply unit |
| 01/05/2005 | CN1183651C Multiple output DC-DC converter and electronic device using said converter |
| 01/04/2005 | US6839255 High voltage power source apparatus |
| 01/04/2005 | US6839253 Multi-period cycle-alternative switching mode power supply control device |
| 01/04/2005 | US6839252 Two-step ripple-free multi-phase buck converter and method thereof |
| 01/04/2005 | US6839248 Flyback power supply device and control method thereof |
| 01/04/2005 | US6839246 Self-driving circuit for a DC/DC converter |
| 01/04/2005 | US6839245 Switching power supply circuit |
| 01/04/2005 | US6838928 Boosting circuit configured with plurality of boosting circuit units in series |
| 01/04/2005 | US6838916 Method of generating a voltage ramp at the terminals of a capacitor, and corresponding device |
| 01/04/2005 | US6838863 Voltage converter utilizing independently switched inductors |
| 01/04/2005 | US6838862 Pulse width modulator having reduced signal distortion at low duty cycles |
| 01/04/2005 | US6838861 Parallel coupled standby power supplies providing plural outputs |
| 01/04/2005 | US6838859 Device for increasing power of extremely low DC voltage |
| 01/04/2005 | US6838784 Control circuit for switching power supply device and switching power supply device used therewith |
| 01/04/2005 | CA2154079C Power unit having self-oscillating series resonance converter |
| 12/30/2004 | US20040264224 Structure and method for an isolated boost converter |
| 12/30/2004 | US20040264223 Switched capacitor power converter |
| 12/30/2004 | US20040264222 High-voltage X-ray generator |
| 12/30/2004 | US20040264221 Switching power supply |
| 12/30/2004 | US20040264219 Voltage sense method and circuit which alleviate reverse current flow of current bi-directional converters |
| 12/30/2004 | US20040264217 Level shifted drive for clamp device |
| 12/30/2004 | US20040264216 Switching power converter and method of controlling output voltage thereof using predictive sensing of magnetic flux |
| 12/30/2004 | US20040264215 Power conversion circuit with clamp and soft start |
| 12/30/2004 | US20040264214 Quasi-resonant DC-DC converters with reduced body diode loss |