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)
06/1998
06/03/1998EP0845853A2 DC/DC converter with a protection circuit
06/03/1998EP0845852A2 A power source driving device
06/03/1998CN1183863A Power supply
06/03/1998CN1183862A High voltage power supply having multiple high voltage generators
06/03/1998CN1183667A SMPS with variable start up frequency circuit
06/03/1998CN1183666A Forward converter
06/03/1998CN1038631C Circuit arrangement
06/02/1998US5761108 In a dynamic random access memory array
06/02/1998US5761058 Power converter apparatus for a discharge lamp
06/02/1998US5761055 Driving pulse output limiting circuit
06/02/1998US5760638 Phase generator circuit for charge pump type or negative supply circuit
06/02/1998US5760637 Programmable charge pump
06/02/1998US5760497 Charge pump circuit with multiple boost stages
06/02/1998US5760494 Power-supply control apparatus
06/02/1998US5758495 Device for exhaust silencers of engines with electrostatic field
06/02/1998US5758397 Process for making piezoelectric ceramic transformer having large voltage step-up ratio
05/1998
05/27/1998EP0844728A2 Forward converter
05/27/1998EP0844727A2 SMPS with a variable frequency start up circuit
05/27/1998EP0843822A2 A bidirectional load and source cycler
05/27/1998CN1182973A Voltage reducing type ac-ac regulator
05/26/1998US5757638 Power supply apparatus
05/26/1998US5757635 Power factor correction circuit and circuit therefor having sense-FET and boost converter control circuit
05/26/1998US5757632 Switched capacitance voltage multiplier
05/26/1998US5757631 Converter apparatus with reversible driving of a switching transistor
05/26/1998US5757629 Switched-mode power supply with compensation for varying input voltage
05/26/1998US5757627 Isolated power conversion with master controller in secondary
05/26/1998US5757626 Single-stage, single-switch, islolated power-supply technique with input-current shaping and fast output-voltage regulation
05/26/1998US5757625 Switched mode power supply with transformer and feedback via primary winding
05/26/1998US5757624 DC-DC converter unit
05/26/1998US5757223 Integrated negative D-C bias circuit
05/26/1998US5757173 Semi-soft switching and precedent switching in synchronous power supply controllers
05/26/1998US5757043 Charge pump semiconductor device
05/22/1998WO1998021887A1 Quick-reset circuit for auxiliary power supply
05/22/1998WO1998021886A1 Standby power supply for video display apparatus
05/22/1998WO1998021885A1 Power supply for standby mode operation
05/22/1998WO1998021814A1 Fault control circuit for switched power supply
05/22/1998WO1998021813A1 Auxiliary power supply control
05/22/1998WO1998021812A1 Method for mounting from modular elements a direct voltage converter capable of different configurations and resulting converter
05/22/1998WO1998021811A1 Fault control circuit for switched power supply
05/20/1998EP0843404A1 Electric circuit
05/20/1998EP0843403A1 Rcc-type switching power supply
05/20/1998EP0843402A1 BiCMOS negative charge pump
05/20/1998EP0801839B1 Arrangements for reducing the electromagnetic field created by power electronic equipment
05/20/1998DE19645783A1 Stromversorgungsschaltung Power supply circuit
05/20/1998CN1182303A Switched-mode power supply
05/19/1998US5754476 Negative charge pump circuit for electrically erasable semiconductor memory devices
05/19/1998US5754419 Surge and overcurrent limiting circuit for power converters
05/19/1998US5754418 High voltage generation circuit for semiconductor memory device
05/19/1998US5754417 Linearly regulated voltage multiplier
05/19/1998US5754416 Single soft switching circuit for power supply
05/19/1998US5754415 Constant current flyback power supply having forward converter mode-configured auxiliary secondary windings producing constant voltage output
05/19/1998US5754414 Self-compensating switching power converter
05/19/1998US5754413 Reduced voltage stress asymmetrical DC-to-DC converter using first and second transformers having differing turns ratios
05/19/1998US5754384 Overcurrent protection circuitry for non-isolated battery discharge controller
05/14/1998WO1998020621A1 Programmable voltage source
05/14/1998WO1998020611A1 Electric power supply circuit
05/14/1998WO1998020603A2 Switched-mode power supply with state information
05/14/1998WO1998020401A1 Positive/negative high voltage charge pump system
05/14/1998WO1998019890A1 Control unit for the power supply system on-board
05/14/1998DE19645944A1 Steuergerät für ein Bordnetz Control unit for a vehicle power supply
05/13/1998EP0841741A2 Switched-mode power supply
05/13/1998EP0841740A1 Control signal for a voltage generator used for a LCD-display control circuit
05/13/1998EP0710428B1 Device for feeding an electric load
05/13/1998EP0660977B1 Synchronous rectifier resistant to feedback
05/13/1998CN2281611Y Multifunctional adjustable high voltage D. C. supplier
05/13/1998CN1181848A Integrated driver for half-bridge circuit
05/12/1998US5751565 Controlling pulse skip modulation in power conversion
05/12/1998US5751561 Low cost AC-to-DC converter having input current with reduced harmonics
05/12/1998US5751560 Switching power circuit with current resonance for zero current switching
05/12/1998US5751150 Bidirectional load and source cycler
05/12/1998US5751140 Voltage converter with battery discharge protection
05/12/1998US5751139 Multiplexing power converter
05/07/1998DE19635911C1 High potential side MOS switching transistor and charge pump electric circuit
05/06/1998EP0840431A2 Power converter
05/06/1998CN2281038Y Isolation type soft switch state current transformer
05/06/1998CN1180955A Interleaved switching converter circuit and switching converter controlling method
05/05/1998US5748461 SMPS with low load switching frequency stabilization
05/05/1998US5748460 Power supply apparatus
05/05/1998US5748458 AC/DC converter power supply circuit having multiple rectifiers
05/05/1998US5748457 Family of zero voltage switching DC to DC converters
05/05/1998US5748032 Charge pumping circuit for generating a high output voltage
05/05/1998US5747977 Switching regulator having low power mode responsive to load power consumption
05/05/1998US5747976 Constant on-time architecture for switching regulators
05/05/1998US5747938 Automatic control electroluminescent backlight panel
05/05/1998US5747894 Factory automation connector and work pallet
04/1998
04/30/1998WO1998018298A1 Inverter circuits
04/30/1998WO1998018198A1 Active rectifier circuit
04/30/1998WO1998018196A1 Control apparatus with reduced quiescent current
04/29/1998EP0838893A2 Power source apparatus
04/29/1998EP0838051A1 Pulse generator
04/29/1998EP0732004B1 Switch-mode power supply for a power amplifier
04/28/1998US5745359 Variable-input-voltage converter with delay proportional to V in / V out
04/28/1998US5745358 Variable-frequency converter with constant programmed delay
04/28/1998US5745357 Regulator circuit and multi-output switching power unit using the regulator circuit
04/28/1998US5745354 Pump circuit for generating multiple high voltage outputs from two different inputs
04/28/1998US5745353 Snubber circuit that suppresses surge and rush current flowing to a switching element of a self excitation-type flyback power supply
04/28/1998US5745352 DC-to-DC converter functioning in a pulse-skipping mode with low power consumption and PWM inhibit
04/28/1998US5745351 DC-to-DC bidirectional voltage converters and current sensor
04/28/1998US5745350 Power supply circuit with a widely varying input voltage
04/28/1998US5744994 Three-terminal power mosfet switch for use as synchronous rectifier or voltage clamp
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