Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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12/12/2002 | US20020185996 Switching power supply |
12/12/2002 | US20020185995 DC-DC converter |
12/12/2002 | US20020185994 DC-DC converter and a method of controlling thereof |
12/12/2002 | US20020185993 Active clamp step-down converter with power switch voltage clamping function |
12/12/2002 | DE10220561A1 Negative voltage generator for semiconductor memory device, includes two negative charge pump controlled by precharge signal |
12/12/2002 | DE10126236A1 Switching regulator for audio amplifier has inductive element with terminal for connection to supply connection via first switch, second switch connected in parallel with capacitive element |
12/11/2002 | EP1265347A2 Bootstrap voltage supply |
12/11/2002 | EP1265345A1 Switching power supply device |
12/11/2002 | EP1265344A2 Switching power supply |
12/11/2002 | EP1265343A2 DC-DC converter |
12/11/2002 | EP1264391A1 Improved efficiency of a multiphase switching power supply during low power mode |
12/11/2002 | EP1264390A1 Power converter mode transistioning method and apparatus |
12/11/2002 | EP1264383A1 Ac/dc chopper for power tool |
12/11/2002 | EP1264382A2 Ultra-low power switching regulator method and apparatus with adaptively adjustable switching frequency and peak current trip point |
12/11/2002 | EP1097505B1 Modular apparatus for regulating the harmonics of current drawn from power lines |
12/11/2002 | EP0914705B1 Overvoltage protection circuit for smps based on demagnetization signal |
12/11/2002 | CN1384991A Simplified current share circuit |
12/11/2002 | CN1384591A Resonant reset dual-switch forward DC-to-DC converter |
12/11/2002 | CN1096140C Power supply apparatus and method for mobile communication terminal |
12/10/2002 | US6493242 Power factor controller |
12/10/2002 | US6492862 Charge pump type voltage conversion circuit having small ripple voltage components |
12/10/2002 | US6492861 Electronic charge pump device |
12/10/2002 | US6492794 Technique for limiting current through a reactive element in a voltage converter |
12/10/2002 | US6492689 Semiconductor device switching regulator used as a DC regulated power supply |
12/05/2002 | WO2002097958A2 Circuit configuration comprising a control loop |
12/05/2002 | WO2002097957A2 Power supply system |
12/05/2002 | WO2002097956A1 A high voltage converter system |
12/05/2002 | WO2002082625A3 Method for reducing interference emissions in a dc/dc flyback converter |
12/05/2002 | WO2002073795A3 High efficciency switching amplifiers |
12/05/2002 | WO2002073783A3 Auxiliary switching circuit for a chopping converter |
12/05/2002 | WO2002069481A3 Power efficient integrated charge pumps using clock gating |
12/05/2002 | WO2002065626A3 Dual mode pulse-width modulator for power control applications |
12/05/2002 | WO2002052704A3 Switched mode circuit topologies |
12/05/2002 | US20020181261 High voltage converter system |
12/05/2002 | US20020181259 Resonant converter |
12/05/2002 | US20020181256 Oxide protection for a booster circuit |
12/05/2002 | US20020181255 Control circuit for the power controlled operation of a load |
12/05/2002 | US20020181253 Multi-output switching power source circuit |
12/05/2002 | US20020181252 Switching power source device |
12/05/2002 | US20020181250 Solid state driving circuit |
12/05/2002 | US20020180413 Circuits and methods for synchronizing non-constant frequency switching regulators with a phase locked loop |
12/05/2002 | US20020180411 Switch mode power stage |
12/05/2002 | US20020180410 Switching regulator with transient recovery circuit |
12/05/2002 | US20020179140 Power converter, and photovoltaic element module and power generator using the same |
12/05/2002 | DE10126925A1 Schaltungsanordnung mit einer Regelschaltung Circuitry with a control circuit |
12/05/2002 | DE10126256A1 Stromversorgungssystem Power supply system |
12/05/2002 | DE10125807A1 Charging storage capacitor through inductance with momentary earthing to increase current, removes earthing on reaching current maximum |
12/05/2002 | DE10125334A1 Gleichspannungswandler mit Schaltregler DC-DC converter with switching regulator |
12/05/2002 | DE10124354A1 Spannungsversorgung mit hohem Wirkungsgrad Voltage supply with a high efficiency |
12/04/2002 | EP1263114A2 Power supply apparatus and electronic equipment |
12/04/2002 | EP1263039A2 Housing for power converter, and for photovoltaic element module and power generator using the same |
12/04/2002 | EP1262013A2 Diode recovery current suppression circuits |
12/04/2002 | EP0802603B1 Self-excitation type switch power supply unit with overcurrent protection |
12/04/2002 | CN1383604A AC-dc converter |
12/04/2002 | CN1383603A Electric power conversion system |
12/04/2002 | CN1383569A Miniaturized AC/DC power supply and battery charger |
12/03/2002 | US6490220 Method for reliably shutting off oscillator pulses to a charge-pump |
12/03/2002 | US6490184 Auxiliary output voltage control implemented with a bi-directionally magnetizing magnetic amplifier |
12/03/2002 | US6490183 Method and apparatus for minimizing negative current build up in DC-DC converters with synchronous rectification |
12/03/2002 | US6490179 Post-regulated power supply |
12/03/2002 | US6490178 Switching power circuit which switches voltage supplied to a primary winding of a transformer with a switching element to rectify alternating current generated in a secondary winding of the transformer |
12/03/2002 | US6490177 Resonant power converter with primary-side tuning and zero-current switching |
12/03/2002 | US6490175 DC to DC converter |
12/03/2002 | US6489758 Bootstrap circuit in a DC/DC static converter having circuitry for avoiding bootstrap capacitor discharge |
12/03/2002 | US6489756 DC-DC converter with switchable control mode |
12/03/2002 | US6489754 Switched mode power supply having a boost converter operatively combined with a flyback converter |
12/03/2002 | US6489730 Discharge-lamp illumination circuit |
11/28/2002 | WO2002095917A2 Electricity supply having a high degree of efficiency |
11/28/2002 | WO2002095916A2 Dc-to-dc converter comprising a switching controller |
11/28/2002 | WO2002095913A2 Power systems power circuits and components for power systems |
11/28/2002 | US20020176266 Load matched alternator system with fault protection |
11/28/2002 | US20020176264 DC-DC converter |
11/28/2002 | US20020176263 Magnetic element in a non-saturated region in a trnsformer/ inductor |
11/28/2002 | US20020176261 Apparatus and a method for voltage conversion |
11/28/2002 | US20020175746 Semiconductor integrated circuit device |
11/28/2002 | US20020175745 Circuit for generating high voltage |
11/28/2002 | US20020175744 Semiconductor integrated circuit device including a negative power supply circuit |
11/28/2002 | US20020175720 Circuit for adjusting operating voltage of a chip |
11/28/2002 | US20020175662 Power supply and reference voltage circuit for TFT LCD source driver |
11/28/2002 | US20020175661 Integrated FET and driver |
11/28/2002 | US20020175640 Digital controlled electronic ballast with piezoelectric transformer |
11/28/2002 | US20020175638 Self-oscillating synchronous boost converter |
11/28/2002 | DE10221746A1 Voltage limited high voltage supply for a corona discharge process used in printing |
11/28/2002 | DE10122461A1 Bidirectional push pull DC to DC converter has controlled switching to reduce loading |
11/27/2002 | EP1261122A2 Switching power supply unit |
11/27/2002 | EP1261121A2 Power distribution with digital current control |
11/27/2002 | EP1261119A2 Power factor corrector with efficient ripple attenuator |
11/27/2002 | EP1260014A1 Switched mode power supply |
11/27/2002 | EP1260013A2 Switchable power converter for multiple level input line power factor correction |
11/27/2002 | EP1260012A2 Start-up circuit for flyback converter having secondary pulse width modulation control |
11/27/2002 | CN2523108Y Self-excited vibration flyback switching power source |
11/27/2002 | CN2523107Y Voltage sampling device of DC high-tension power source |
11/27/2002 | CN2523106Y DC-DC switching power source commutator |
11/27/2002 | CN1381942A Supply transformer containing circuit for controlling synchronous rectifier |
11/26/2002 | US6487099 Time compensated current ramp for resonant power converters |
11/26/2002 | US6487097 Feedforward clamping applied to the control voltage in switch mode power supplies (SMPS) |
11/26/2002 | US6487095 Multiphase zero-volt-switching resonant DC-DC regulator |
11/26/2002 | US6487094 High efficiency DC-DC power converter |
11/26/2002 | US6487093 Voltage regulator |
11/26/2002 | US6487092 DC/DC converter |