Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02M - Apparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems; Conversion of dc or ac input power into surge output power; Control or regulation thereof › H02M 3 - Conversion of dc power input into dc power output
Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
11/1998
11/17/1998US5838558 Phase staggered full-bridge converter with soft-PWM switching
11/17/1998US5838557 Circuit for use in a DC-DC converter having a booster module
11/17/1998US5838556 Switching power supply circuit
11/17/1998US5838554 Small form factor power supply
11/17/1998US5838553 Voltage stabilized self-oscillating power supply
11/17/1998US5838552 Asymmetrical power converter and method of operation thereof
11/17/1998US5838190 Negative voltage drive circuit
11/17/1998US5838147 IC wherein a chopper-type buck regulator PNP switch supplies base current to the load
11/11/1998EP0877469A2 Circuit for a DC-DC converter
11/11/1998EP0877468A2 Programmable step down DC-DC converter controller
11/11/1998EP0876704A2 Switched-mode power supply with state information
11/11/1998EP0876700A1 Intelligent power supply with staged loading capability
11/11/1998EP0737379B1 Voltage transformer
11/11/1998CN1040715C Switch mode power supply with reduced input current distortion
11/10/1998US5835368 Power-factor improvement converter
11/10/1998US5835367 Distributed plannar-type high voltage transformer
11/10/1998US5835365 Alternating current inrush limiting circuit
11/10/1998US5835363 Power supply device featuring synchronous mode and asynchronous mode operation
11/10/1998US5835361 Switch-mode power supply with over-current protection
11/10/1998US5835360 Regulation of second output of a switched mode power supply
11/10/1998US5835358 Power supply module for equipping an assembly PC board
11/10/1998US5835350 Encapsulated, board-mountable power supply and method of manufacture therefor
11/10/1998US5834907 Cold cathode tube operating apparatus with piezoelectric transformer
11/10/1998US5833712 Implantable defibrillator system for generating a biphasic waveform
11/05/1998WO1998049766A1 Switched-mode power supply having an improved start-up circuit
11/05/1998WO1998049765A2 Overvoltage protection circuit for smps based on demagnetization signal
11/05/1998WO1998049607A1 Dc-to-dc converter with set point voltage control of the output voltage
11/05/1998WO1998025333A3 Power converter with reduced energy consumption from a very low voltage source
11/04/1998EP0875994A1 Delta-sigma pulse width modulator
11/04/1998EP0875983A2 A power supply apparatus
11/04/1998EP0875063A1 Voltage multiplier
11/04/1998CN2296597Y High frequency power integrated module switch power source
11/04/1998CN1198267A Switching power unit
11/03/1998US5832324 Power supply unit of camera
11/03/1998US5831847 Power supply with separated airflows
11/03/1998US5831845 Voltage regulator with charge pump and parallel reference nodes
11/03/1998US5831844 High voltage generating circuit able to generate positive high voltage and negative high voltage at the same time
11/03/1998US5831839 Switched-mode power supply
11/03/1998US5831838 Resonant fly-forward converter circuit
11/03/1998US5831470 High-efficiency charge pumping circuit
11/03/1998US5831469 Multiplier improved voltage
11/03/1998US5831420 For providing an output voltage on an output port
11/03/1998US5831419 Circuit and method for regulating a voltage
11/03/1998US5831418 Step-up/down DC-to-DC converter
11/03/1998CA2108073C Single transformer switching regulator
10/1998
10/29/1998WO1998048505A1 Multishaft power supply circuit of transistor inverter and unit circuit thereof
10/29/1998DE19749602A1 Data input/output voltage detector for substrate voltage generator circuit
10/28/1998EP0874461A2 Apparatus and method using waveform shaping for reducing high frequency noise from switching inductive loads
10/28/1998EP0874446A1 A switched mode power supply controller and method
10/28/1998EP0873651A1 Switched-mode power supply with low power loss in standby operation
10/28/1998CN1197332A Input/output voltage detection type substrate voltage generation circuit
10/28/1998CA2235230A1 Pulse load averaging power converter
10/27/1998US5828620 Method of supplying a boosted voltage to a random access memory circuit
10/27/1998US5828561 Multi level power converter with self-correcting capacitor charge timing adjustment
10/27/1998US5828560 Voltage converter circuit
10/27/1998US5828559 For providing stress relief for a switching element
10/27/1998US5828558 PWN controller use with open loop flyback type DC to AC converter
10/27/1998US5828557 Flyback transformer
10/22/1998WO1998047218A1 Switch-mode power supply with over-current protection
10/22/1998DE19715259A1 Voltage converter for electronic bias circuit for gas discharge lamp
10/21/1998EP0872014A1 Vehicle electrical system
10/21/1998EP0872010A1 Device and method of supplying from an ac source
10/21/1998CN1196865A Inverter
10/21/1998CN1196605A Power supplier with low-consumption of power
10/21/1998CN1196604A Electric-saving power supplier capable of quick reverting starting
10/21/1998CN1196603A Pressure-drop D. C.-D. C. converter
10/20/1998US5825642 Power supply apparatus
10/20/1998US5825638 Switched-mode power supply control circuit
10/20/1998US5825248 Low power consuming balanced transformer less amplifier device
10/20/1998US5825234 Switch-control integrated circuit
10/20/1998US5825165 Micropower switch controller for use in a hysteretic current-mode switching regulator
10/20/1998US5825163 DC-to-DC converter with low supply voltage
10/20/1998US5825103 For supplying an output voltage
10/20/1998US5824990 Power selection and protection circuit for inverter power supply
10/15/1998WO1998045932A1 High efficiency pulse generator for producing short voltage pulses
10/15/1998WO1998045931A1 Method and arrangement in a dc-to-dc converter
10/15/1998WO1998045930A2 Switched-mode power supply with regulation of line current consumption
10/15/1998DE19813146A1 Power supply system for electric vehicle
10/15/1998DE19714980A1 Impulsgenerator mit hohem Wirkungsgrad zur Erzeugung von kurzen Spannungsimpulsen Pulse generator with high efficiency for the production of short voltage pulses
10/15/1998DE19714552A1 Schaltungsanordnung zur Vervielfachung eines Stromsignals Circuitry for amplifying a current signal
10/15/1998DE19713814A1 Schaltnetzteil Switching power supply
10/14/1998EP0871328A1 Control of the output power of a dc-dc converter upon varying the switching frequency
10/14/1998EP0871224A2 Semiconductor device having device supplying voltage higher than power supply voltage
10/14/1998EP0870220A1 Circuit for the production of an auxiliary voltage
10/14/1998CN1195920A Switching power supply
10/14/1998CN1195795A Chopper-amplifier for voltage of photovoltaic power source, in particular for timepiece
10/14/1998CN1195617A Power supply system for electric vehicle
10/13/1998US5822200 Low level, high efficiency DC/DC converter
10/13/1998US5822198 Single stage power converter and method of operation thereof
10/13/1998US5821826 Method for generating signals with an apparatus
10/13/1998US5821805 Charge pump circuit having different threshold biases of the transistors
10/13/1998US5821755 Apparatus and method for obtaining power from a battery charger
10/13/1998US5821740 For supplying power to a load from a source
10/13/1998US5821701 Boost regulator circuit with stoarge capacitor for reduced power consumption
10/13/1998US5821643 Synchronization control scheme for a plurality of switching circuits, method of operation therefor and battery plant employing the same
10/13/1998US5821639 High voltage generator with oscillator servo-linked to low supply voltage
10/08/1998WO1998044622A2 Digitally controlled switched-mode voltage converter
10/08/1998WO1998044560A1 Multiple gated mosfet for use in dc-dc converter
10/08/1998DE19739072A1 Booster circuit for driving supply voltage using condenser unit, E.G for DRAM
10/08/1998DE19711017A1 Electric power feeder for multistage gradient amplifier
1 ... 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 ... 545