Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
10/1997
10/23/1997WO1997039388A1 Current control process
10/23/1997DE19617110A1 Schaltungsanordnung zum Betrieb eines Elektromagneten Circuit arrangement for operating an electromagnet
10/23/1997DE19614866A1 Verfahren zur Stromregelung A method for flow control
10/22/1997EP0802702A2 Higher-efficiency cold-cathode fluorescent lamp power supply
10/22/1997EP0802623A1 Converter circuit for a polyphase switched inductive load
10/22/1997EP0802616A2 Synchronization of power converter arrays
10/22/1997EP0802603A1 Self-excitation type switch power supply unit with overcurrent protection
10/22/1997EP0801842A1 Circuit for driving a converter
10/22/1997EP0801841A1 Full wave buck boost power converter with buck power converter properties
10/22/1997EP0801840A1 High efficiency voltage doubler
10/22/1997EP0801839A1 Arrangements for reducing the electromagnetic field created by power electronic equipment
10/22/1997CN1163021A DC-DC converter circuit and inductive load driver using it
10/22/1997CN1162862A Switched-mode power supply having reduced harmonic load on the mains
10/21/1997US5680301 For converting a dc bus voltage into an ac current for driving a load
10/21/1997US5680300 Regulated charge pump DC/DC converter
10/21/1997US5680036 Logarithmic power compensation for a switching power supply
10/21/1997US5680034 PWM controller for resonant converters
10/16/1997WO1997038479A1 Dc power converter
10/16/1997WO1997030574A3 Switched-mode power supply with compensation for varying input voltage
10/16/1997CA2200932A1 Higher-efficiency cold-cathode fluorescent lamp power supply
10/15/1997EP0801460A2 Encapsulated, integrated power magnetic device and method of manufacture therefor
10/14/1997US5677874 Nonvolatile semiconductor memory device
10/14/1997US5677649 Frequency-variable oscillator controlled high efficiency charge pump
10/14/1997US5677645 Vccp pump for low voltage operation
10/14/1997US5677643 Potential detecting circuit which suppresses the adverse effects and eliminates dependency of detected potential on power supply potential
10/14/1997US5677619 Method and apparatus for multiple output regulation in a step-down switching regulator
10/14/1997US5677618 DC-to-DC switching power supply utilizing a delta-sigma converter in a closed loop controller
10/14/1997US5677617 Micro power supply device using switching element
10/09/1997WO1997037424A1 Power supply circuit arrangement for an electronic load circuit
10/08/1997EP0800260A1 Voltage booster for memory devices
10/08/1997EP0800259A1 Standby voltage boosting stage and method for a menory device
10/08/1997EP0800212A2 Semiconductor integrated circuit device
10/08/1997EP0799521A1 Power supply circuit
10/07/1997US5675485 Switching mode power supply controller
10/07/1997US5675484 Wide input voltage range power supply with auto-transformers and piezoelectric transformer
10/07/1997US5675483 Power supply comprising means for improving the power factor
10/07/1997US5675481 Drive signal controlled under-voltage lockout circuit
10/07/1997US5675480 Microprocessor control of parallel power supply systems
10/07/1997US5675479 Switching power-supply
10/07/1997US5675478 Oscillator voltage regulator
10/07/1997US5675476 Phase controlled bridge
10/07/1997US5675467 Circuit mounting unit
10/07/1997US5675279 Voltage stepup circuit for integrated semiconductor circuits
10/07/1997US5675240 All digital switching regulator for use in power supplies, battery chargers, and DC motor control circuits
10/07/1997US5675239 For providing power to a positive and negative load
10/02/1997DE19612443A1 Schaltungsanordnung zur Versorgung eines elektronischen Lastkreises Circuit arrangement for supplying an electronic load circuit
10/02/1997DE19612365A1 Step=down DC voltage converter
10/01/1997EP0798862A1 Charge pump circuit for use in a phase locked loop
10/01/1997EP0798857A2 Direct current regulator
10/01/1997EP0798845A2 Voltage-boosting circuit with mode signal
10/01/1997EP0798840A2 Battery power supply
10/01/1997EP0512121B1 Current controller for inductive load
10/01/1997CN1160946A Power-supply unit, controlling method for power-supply unit, power-supply unit for computer game and controller of supply unit for computer game
10/01/1997CN1160877A Uninterruptive switching regulator
09/1997
09/30/1997US5673187 Power supply system
09/30/1997US5673186 Apparatus for protecting multiple output rectifiers in a current-fed DC-to DC converter
09/30/1997US5673185 Circuit arrangement for generating a DC-separated output voltage
09/30/1997US5673184 Switch mode power supply circuit with increased power factor for mains
09/30/1997US5673183 DC/DC converter for low output voltages
09/30/1997US5672992 Charge pump circuit for high side switch
09/30/1997US5672988 High-speed switching regulator drive circuit
09/30/1997US5672940 Television power supply with polarity-independent charging paths
09/30/1997US5672051 For an internal combustion engine
09/30/1997CA2054543C Dc-dc converter of charge pump type
09/24/1997EP0797290A2 Regulated resonant converter
09/24/1997EP0797289A2 Improvements in or relating to resonant converters
09/24/1997EP0797288A1 Switching power supply with reduced harmonic network load
09/24/1997EP0626750B1 Power supply voltage booster
09/24/1997CN1035972C Snubber
09/23/1997US5671132 High voltage bipolar CT scanner power supply
09/23/1997US5671131 Method and apparatus for detecting an isolated power switch
09/23/1997US5671129 Electronic switched-mode power supply for supplying power to an accumulator
09/23/1997US5670908 Circuit for controlling output voltage from charge pump
09/23/1997US5670907 VBB reference for pumped substrates
09/23/1997US5670866 Chopper-type regulator circuit and chopper-type regulator IC
09/23/1997US5670832 Power-supply control apparatus for image processing apparatus
09/18/1997WO1997034363A1 Switching controller
09/18/1997DE19609634A1 Schaltregler Switching Regulators
09/18/1997DE19609123A1 Schaltungsanordnung für Schaltnetzteile mit mehreren lastunabhängigen Ausgangsspannungen Circuitry for switching power supplies with multiple load-independent output voltages
09/18/1997DE19609122A1 Schaltungsanordnung zur Stabilisierung des Regelverhaltens von direkt geregelten Umrichtern Circuitry to stabilize the control behavior of directly controlled inverters
09/17/1997EP0795230A1 Switched-mode power supply with transformer and feedback via primary winding
09/16/1997US5668711 Electronic circuit for converting electrical energy, and a power supply installation making use thereof
09/16/1997US5668710 Charge pump circuit having independent inverted and non-inverted terminals
09/16/1997US5668709 Switched capacitor current source
09/16/1997US5668705 Wide range single-phase/polyphase switching power supply
09/16/1997US5668704 Self-exciting flyback converter
09/16/1997US5668703 Boost converter for driving a capacitive load
09/16/1997US5668493 Circuits and methods for increasing switch turn-off speed in high-speed switching regulator drive circuits
09/16/1997US5668466 Reverse energy transfer in zero-current switching power conversion
09/16/1997CA2125267C Device for applying a voltage to an electronic circuit, particularly to an electronic circuit associated with a current sensor on an electrical line
09/12/1997WO1997033361A1 Circuit arrangement for switching network sections with several load-independent output voltages
09/12/1997WO1997033360A1 Circuit arrangement for stabilising the control response of directly controlled converters
09/11/1997DE19608152A1 Two quadrant DC voltage supply regulator
09/10/1997EP0794608A2 Trickle power supply
09/10/1997EP0794607A2 Switching power source apparatus
09/10/1997EP0793872A1 Power-supply circuit with a transformer and an on/off switch at the secondary side of the transformer
09/10/1997CN1159094A Internal power supply circuit
09/09/1997US5666463 In a microprocessor based closed loop velocity control system for a dc motor
09/09/1997US5666280 High voltage integrated circuit driver for half-bridge circuit employing a jet to emulate a bootstrap diode
09/09/1997US5666276 Power supply circuit for selectively supplying normal read voltage and high voltage to semiconductor memory