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