Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
04/1998
04/28/1998US5744943 Circuitry for supplying DC power to a small-size electronic apparatus
04/28/1998CA2086892C Low loss snubber circuit with active recovery switch
04/23/1998WO1998016994A1 Inverter
04/23/1998WO1998016993A1 Converter
04/23/1998DE19745218A1 Steuerschaltung und Verfahren zur Steuerung des Schaltens von MOS-Gate-gesteuerten Leistungshalbleiterbauteilen Control circuit and method for controlling the switching of MOS-gated power semiconductor components
04/23/1998DE19642845A1 Steuergerät mit Ruhestromreduzierung Control unit with quiescent current reduction
04/23/1998DE19642522C1 Wechselrichter Inverter
04/23/1998DE19640306A1 Integrated switching regulator circuit
04/22/1998EP0837548A2 Interleaved switching converter circuit and switching converter controlling method
04/22/1998EP0837547A2 Power circuit
04/22/1998EP0837546A2 Power circuit
04/22/1998EP0836794A1 Inverter
04/22/1998EP0836793A1 Power supply for feeding and igniting a discharge lamp
04/22/1998EP0836762A1 Voltage converter for generating a regulated output voltage from an input voltage
04/21/1998US5742495 Power converter with soft switching
04/21/1998US5742494 Circuit arrangement for driving a converter
04/21/1998US5742491 Power converter adaptively driven
04/21/1998US5742490 Power converter having a configurable output stage
04/21/1998US5742105 Trickle power supply
04/16/1998WO1998016010A1 Triple well charge pump
04/16/1998WO1998016003A1 Power unit and voltage transformer
04/16/1998WO1998016002A1 Switched-mode power supply
04/16/1998DE19737213A1 Transducer
04/16/1998DE19641299A1 Getaktete Stromversorgung von Schaltnetzteilen Pulsed power supply switch mode power supplies
04/16/1998DE19640305A1 Voltage regulator circuit
04/15/1998EP0836268A1 Improved positive charge pump
04/15/1998EP0836129A1 Voltage multiplier
04/15/1998EP0835547A2 Switched-mode power supply with compensation for varying input voltage
04/15/1998CN1179240A Power-supply circuit
04/15/1998CN1179239A Power-supply circuit
04/15/1998CN1179238A Power supply circuit
04/14/1998US5740026 Controlled input circuit for an SCR to accept either AC or DC voltage
04/14/1998US5740023 Control system for a modular power supply and method of operation thereof
04/14/1998US5740022 Power factor improving circuit
04/14/1998US5739711 Regulation circuit for bipolar voltage switching circuits having logic circuitry using a single error amplifier for regulation of both positive and negative voltages
04/14/1998US5739622 Converter wherein a piezoelectric transformer input signal is frequency modulated by a pulse width modulated signal
04/09/1998WO1998015054A1 Merged transconductance amplifier
04/08/1998EP0834981A2 MOS charge pump generation and regulation method and apparatus
04/08/1998EP0834214A1 Rectification, derectification and power flow control
04/08/1998EP0834213A1 Switch mode power supply
04/07/1998US5737208 Modular uninterruptable power supply system
04/07/1998US5737203 Multiple output power converter
04/07/1998US5737202 Redundant power supply system
04/07/1998US5737201 Electronic device for electrical energy conversion between a voltage source and a current source by means of controllable switching cells
04/07/1998US5737197 High voltage power supply having multiple high voltage generators
04/07/1998US5736916 High frequency pulse transformer for an IGBT gate drive
04/07/1998US5736842 Technique for reducing rectifier reverse-recovery-related losses in high-voltage high power converters
04/07/1998US5736841 Switching power supply attaining sinusoidal input current and comprising series coupled 2-terminal switching block
04/07/1998US5736833 Rapid battery charging circuit with overvoltage shunt
04/07/1998US5736832 Multiple function battery charger, self-configuring as supply voltage regulator for battery powered apparatuses
04/07/1998US5736807 Piezoelectric transformer suitable for generating a high voltage
04/07/1998US5735958 Electrostatic coating system
04/02/1998WO1998013918A1 Circuit arrangement to provide electronic tripping devices with an electricity supply
04/02/1998DE19638620A1 Self-adjusting static converter circuit arrangement
04/01/1998EP0833432A2 Speed control to supply DC universal motors
04/01/1998EP0833430A2 Power stage and secondary stage for a transformer
04/01/1998CN1178039A Switched-mode power supply with synchronous preconverter
04/01/1998CN1177857A Double-way voltage changer
03/1998
03/31/1998US5734564 High-efficiency switching power converter
03/31/1998US5734563 Synchronous rectification type converter
03/31/1998US5734290 Charge pumping circuit having cascaded stages receiving two clock signals
03/31/1998US5734286 Driving device of charge pump circuit and driving pulse generation method thereof
03/31/1998US5734278 Low-power, high-reliability switching rotary phase shifter device
03/31/1998US5734259 Balanced delta current method for current control in a hysteretic power supply
03/31/1998US5734258 For regulating power flow between first and second voltage sources
03/26/1998WO1998012798A1 Power supply circuit
03/26/1998WO1998012796A1 Snubber circuit, voltage converter circuit and method in such a snubber circuit
03/26/1998DE19638353A1 Feedback-free voltage converter for vehicle tractor-trailer combination
03/25/1998EP0831576A1 Soft switching power converter including means for connecting middle point voltage of a capacitive divider
03/25/1998EP0830982A2 Lighting circuit device for automobile
03/25/1998EP0830661A1 Arrangement for the galvanically isolated transmission of auxiliary power (direct voltage) and information to an electronic unit
03/24/1998US5732039 Variable stage charge pump
03/24/1998US5731968 X-ray apparatus comprising a power supply section for powering an X-ray tube
03/24/1998US5731736 Charge pump for digital potentiometers
03/24/1998US5731731 High efficiency switching regulator with adaptive drive output circuit
03/24/1998US5731694 Control circuit and method for maintaining high efficiency over broard current ranges in a switching regulator circuit
03/24/1998US5731692 System and method for limiting overshoot in a voltage and current control circuit
03/24/1998CA2215181A1 Soft switch power converter comprising means for correcting the median voltage of a capacitor divider
03/19/1998WO1998011673A1 Current booster for pc card
03/19/1998WO1998011659A1 Self oscillating proportional drive zero voltage switching power supply
03/19/1998WO1998011658A1 Dc/dc converter circuit
03/19/1998WO1998011657A1 A switched-mode power supply control circuit
03/19/1998WO1998011656A1 A forward converter with an inductor coupled to a transformer winding
03/18/1998EP0829949A1 Hyperresonant switching stabilized power supply device with synchronous rectification
03/18/1998EP0828562A2 Modular and low power ionizer
03/18/1998CN1176522A Double forward converter with soft-PWM switching
03/18/1998CN1037802C Feedback limited duty cycle switched mode power supply
03/18/1998CN1037800C Focus coil current generator for cathode ray tube
03/17/1998US5729448 Low cost highly manufacturable DC-to-DC power converter
03/17/1998US5729447 Switched-mode power supply
03/17/1998US5729444 High-efficiency DC-DC converter
03/17/1998US5729443 Switched current regulator with improved power switch control mechanism
03/17/1998US5729172 For use in a semiconductor integrated circuit device
03/17/1998US5729163 Synchronous AC to DC conversion of differential AC signals
03/17/1998US5729121 Power supply apparatus
03/17/1998US5729119 Dual mode power supply and under voltage trip device
03/12/1998WO1998010507A1 Power supply device
03/12/1998WO1998010462A1 Fast power supply for image intensifying tube
03/12/1998DE19635611A1 Current consumption reduction circuit for electronic device stand-by
03/11/1998EP0828334A2 Overcurrent protection circuitry for non-isolated battery discharge controller