Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
07/2007
07/04/2007CN2919676Y Exact stabilized voltage and high voltage power able to be adjusted continuously
07/04/2007CN2919675Y DC-AC convertor
07/04/2007CN2919674Y Power supply convertor and electronic device with the same
07/04/2007CN2919644Y Large power starting power supply
07/04/2007CN2917545Y Multifunctional footwear repairing and cleaning machine with DC voltage-regulating, abrasive-drilling, cutting, and polishing functions
07/04/2007CN1993877A Power supply apparatus
07/04/2007CN1993876A Apparatus comprising a charge pump and LCD driver comprising such an apparatus
07/04/2007CN1993547A System and method for starting a combustion engine of a hybrid vehicle.
07/04/2007CN1992495A Input voltage sensing circuit
07/04/2007CN1992494A Dc-dc converter and control circuit for dc-dc converter
07/04/2007CN1992493A Resonance DC/DC converter and control method thereof
07/04/2007CN1992492A Novel automatic temperature-controlled power
07/04/2007CN1992491A Device for powering electric or electronic devices operatively associated with a circuit breaker
07/04/2007CN1992490A Step-up device and step-down device
07/04/2007CN1992489A Charge pump circuit and semiconductor device having the same
07/04/2007CN1992488A Synchronous rectification device
07/04/2007CN1992487A Adaptive PWM pulse positioning for fast transient response
07/04/2007CN1992486A Control circuit for 2 stage converter
07/04/2007CN1992269A 半导体集成电路设备 The semiconductor integrated circuit device
07/04/2007CN1992265A A fully integrated floating power supply for high voltage technologies including n-epi biasing
07/04/2007CN1324798C Two-way two-tube positive excitation converter topology
07/04/2007CN1324797C Isolated voltage regulator with one core structure
07/04/2007CN1324796C One by one period switch control used on low ready machine power
07/04/2007CN1324795C Control circuit for control system power source
07/04/2007CN1324793C Switched-mode power supply with a power factor correction circuit
07/03/2007US7239533 DC power supply apparatus
07/03/2007US7239532 Primary-side feedback switching power supply
07/03/2007US7239531 Resonant lossless circuit for providing a low operating voltage in power converter
07/03/2007US7239530 Apparatus for isolated switching power supply with coupled output inductors
07/03/2007US7239194 Trench capacitor power supply system and method
07/03/2007US7239193 Semiconductor device
07/03/2007US7239192 Self-reparable device to generate a high voltage, and method for repairing a device to generate a high voltage
07/03/2007US7239118 DC regulator with pulse period modulation
07/03/2007US7239114 Converter for direct current-to-direct current downward conversion
07/03/2007US7239110 Primary units, methods and systems for contact-less power transfer
07/03/2007US7239046 Electric power supply unit and electric power supply controlling method
07/03/2007US7239043 Power conversion apparatus and methods using an adaptive waveform reference
07/03/2007US7238992 Semiconductor circuit for DC-DC converter
06/2007
06/28/2007WO2007072925A1 Discharge lamp lighting device and image display device
06/28/2007WO2007072075A2 Switch mode power supply controllers
06/28/2007WO2007071033A1 Method and apparatus for controlling current supplied to electronic devices
06/28/2007WO2007003474A3 Control method for two-stage converters
06/28/2007US20070147099 Electronic circuits utilizing normally-on junction field-effect transistor
06/28/2007US20070147096 Power source device and apparatus using same
06/28/2007US20070146940 Switch mode power supply with output voltage equalizer
06/28/2007US20070146092 High voltage pulsed power supply using solid state switches with droop compensation
06/28/2007US20070146046 Electronic circuits utilizing normally-on junction field-effect transistor
06/28/2007US20070145964 DC-DC converter
06/28/2007US20070145963 DC converter with halt mode setting means
06/28/2007US20070145959 Assembling structure for generator
06/28/2007US20070145580 Semiconductor device
06/28/2007DE19850125B4 Netzteil für Spannungsversorgung eines Busses AC adapter for power supply of a bus
06/28/2007DE112004002939T5 Gerät und Verfahren zur Überwachung einer Lastansteuerungsschaltung bezüglich einer Anomalie Apparatus and method for monitoring a load drive circuit with respect to an abnormality
06/28/2007DE112004002911T5 Verfahren und Schaltung zum Begrenzen der Ausgangsspannung eines Schaltnetzteils und ein Schaltnetzteil Method and circuit for limiting the output voltage of a switching power supply and a switching power supply
06/28/2007CA2632385A1 Method and apparatus for controlling current supplied to electronic devices
06/27/2007EP1801960A2 Bi-directional DC-DC converter and control method
06/27/2007EP1801959A2 Pulse frequency modulated voltage regulator with linear regulator control
06/27/2007EP1801958A2 Harmonics related synchronization for switching regulators
06/27/2007EP1800401A2 Control apparatus and method with increased resolution for use with modulated light sources
06/27/2007EP1800390A2 Switched-mode power supply regulation
06/27/2007EP1800389A2 Voltage converter for converting a voltage to multiple output voltages and method of operating said voltage converter
06/27/2007EP1800198A2 Master slave critical conduction mode power converter
06/27/2007EP1668769A4 Method and apparatus for isolating rfi, emi and noise transients in power supply circuits
06/27/2007EP1550017A4 Negative charge pump with bulk biasing
06/27/2007CN2917083Y Normal/reverse excitation combined DC/DC isolated transformer
06/27/2007CN2917082Y Bridge arm soft switch circuit and application system thereof
06/27/2007CN1989702A 扩展频谱隔离器 Spread spectrum isolator
06/27/2007CN1989684A Charge pump circuit and electronic circuit provided therewith, and method for driving charge pump circuit
06/27/2007CN1989683A Low dropout voltage regulator providing adaptive compensation
06/27/2007CN1988350A Feed forward pulse width modulator
06/27/2007CN1988349A Bi-directional DC-DC converter and control method
06/27/2007CN1988348A PWM combined three level DC converter for zero voltage current switch
06/27/2007CN1988347A System and method for driving bipolar transistor in switch power converter
06/27/2007CN1988346A PWM combined three level DC converter of Zero voltage switch
06/27/2007CN1988345A Power converter comprising a controller and a power component mounted on separate circuit boards
06/27/2007CN1988344A Voltage converter and its method
06/27/2007CN1988343A Control circuit and control method for dc-dc converter
06/27/2007CN1988342A Multiple phase DC-to-DC power converter with extending circuit
06/27/2007CN1988341A 电源供应电路 Power supply circuits
06/27/2007CN1988071A Transformer with current sensing means
06/26/2007US7236752 Circuit arrangement for increasing a supply voltage
06/26/2007US7236714 Power source control apparatus, and power source control method
06/26/2007US7236381 Current balancing circuit
06/26/2007US7236379 Passive power filter circuit
06/26/2007US7236378 Signal distribution to a plurality of circuit units
06/26/2007US7236377 DC-AC converter and controller IC therefor
06/26/2007US7236376 Controller for regulating output current at the primary side of a power supply
06/26/2007US7236375 DC/AC converter and its controller IC
06/26/2007US7236372 Surface mounted power supply circuit apparatus and method for manufacturing it
06/26/2007US7236078 Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components
06/26/2007US7235956 Step up switching converter
06/26/2007US7235954 Load driving device and portable apparatus utilizing such driving device
06/26/2007US7235899 Switching constant-current power supply system
06/26/2007US7235759 Method and apparatus for receiving a universal input voltage in a welding, plasma or heating power source
06/21/2007WO2007069508A1 Control circuit for self-excitation dc/dc converter, light emitting device using such control circuit, and electronic device
06/21/2007WO2007069413A1 Control device and corresponding control method for a boost converter in a motor drive system
06/21/2007WO2007069403A1 Composite transformer and insulated switching power supply
06/21/2007WO2007069371A1 Light emitting diode lighting device and vehicle light lighting device using same
06/21/2007WO2007069055A1 Voltage conversion device
06/21/2007WO2007068186A1 A resonant soft-switched converter