Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
09/1999
09/22/1999EP0944159A2 DC-DC converter
09/22/1999CN1229569A Pump support choke
09/22/1999CN1229536A Single ended forward DC-to-DC converter providing enhanced resetting for synchronous rectification
09/22/1999CN1229303A High-efficiency multichannel output power supply
09/22/1999CN1229302A Charge pump for generating negative voltage
09/21/1999US5956246 Low-noise switching power supply
09/21/1999US5956245 Circuit and method for controlling a synchronous rectifier converter
09/21/1999US5956242 Switched-mode power supply having a sample-and-hold circuit with improved sampling control
09/21/1999US5956240 Quick-reset circuit for auxiliary power supply
09/21/1999US5956239 Switching current mode converter with reduced turn-on delay of power devices
09/21/1999US5956238 Blocking time maintenance circuit for ZVS converters
09/21/1999US5955910 Switch with programmable delay
09/21/1999US5955872 Low drop-out switching regulators
09/21/1999US5955871 Voltage regulator that bases control on a state of a power conservation mode
09/21/1999US5955792 Method and device for driving a load
09/16/1999WO1999046850A1 Bi-directional ac or dc voltage regulator
09/16/1999WO1999046655A1 Power circuit for low power solenoid operation using an ac or dc supply
09/16/1999WO1999046611A2 Power supply circuit
09/16/1999DE19903383A1 Universelle Schaltstromversorgung Universal switching power supply
09/16/1999DE19810875A1 Procedure for generating equal loss powers in semiconductors of DC converter with alternating voltage intermediate circuit
09/15/1999EP0942520A2 DC to DC power converter
09/15/1999EP0942519A1 Switching power supply
09/15/1999EP0942518A2 A power supply apparatus
09/15/1999EP0941638A1 Inverter circuits
09/15/1999EP0941636A1 Pump support choke
09/15/1999EP0941573A1 Functional on/off switch for switched-mode power supply circuit with burst mode operation
09/15/1999EP0941572A1 Multiresonant dc-dc converter with full-wave rectifying means
09/15/1999EP0941571A1 Switching mode power supply unit with a regulation of the output voltage
09/15/1999EP0941481A1 Measuring instrument for a loaded dc/dc converter
09/15/1999EP0852799A4 Variable stage charge pump
09/15/1999CN1228882A Power pad/power delivery system
09/15/1999CN1228599A Power source circuit for generating positive and negative voltage sources
09/14/1999US5953223 Power supply unit capable of high frequency switching for powering an image induction heat fusing apparatus
09/14/1999US5953219 Control circuit power supply circuit and power supply circuit including same
09/14/1999US5953218 High voltage generation apparatus
09/14/1999US5952872 Input/output voltage detection type substrate voltage generation circuit
09/14/1999US5952817 Apparatus and method using waveform shaping for reducing high frequency noise from switching inductive loads
09/14/1999US5952733 Power distribution system for electronic devices
09/10/1999WO1999045630A1 Switching controller
09/09/1999DE19809385A1 Schaltregler Switching Regulators
09/09/1999DE19808780A1 Method of driving load, especially magnetic valve for controlling fuel delivery in IC engine
09/09/1999DE19808637A1 Gleichspannungs-/Gleichspannungswandler mit einem Transformator und einer Drossel DC / DC converter having a transformer and a choke
09/08/1999EP0940963A2 Power supply apparatus and method for mobile communication terminal
09/08/1999EP0940907A1 Power supply for mains operated electronic devices, in particular for electric meters and/or remote control receivers, for generating at least a DC voltage with an integral predefined capacity
09/08/1999EP0939925A1 Self-compensating resonant switching power converter
09/08/1999CN1227989A Power supply circuit
09/07/1999US5949708 Integrated circuit charge coupling circuit
09/07/1999US5949671 Power supply with re-configurable outputs for different output voltages and method of operation thereof
09/07/1999US5949668 Power amplifier with multiple switched output stages, and method and driver for operating same
09/07/1999US5949667 Supply device with converters connected in redundant mode
09/07/1999US5949665 Soft start pulse width modulation integrated circuit
09/07/1999US5949661 Simple current limiting coupling for regulating the output current of a power supply
09/07/1999US5949660 Switched-mode power supply having a standby mode
09/07/1999US5949659 Galvanically isolated transmission of power and information to an electronic unit
09/07/1999US5949658 Efficiency multiple output DC/DC converter
09/07/1999US5949632 Power supply having means for extending the operating time of an implantable medical device
09/07/1999US5949275 Dual output voltage boost circuit
09/07/1999US5949273 Short circuit protection for parallel connected devices
09/07/1999US5949229 Power factor correction circuit having an error signal multiplied by a current signal
09/07/1999US5949226 DC/DC converter with reduced power consumpton and improved efficiency
09/07/1999US5949224 Buck boost switching regulator
09/07/1999US5949223 Power source apparatus having first and second switching power source units
09/07/1999US5949222 Self-oscillating switch mode DC to DC conversion with current switching threshold hystersis
09/07/1999US5949213 In a portable appliance
09/07/1999US5949154 Auxiliary power supply control
09/07/1999US5948004 Implantable stimulator having an efficient output generator
09/02/1999WO1999044278A1 D.c.-d.c. converter with a transformer and a reactance coil
09/02/1999WO1999044277A1 A boosting circuit with supply-dependent gain
09/02/1999WO1999044109A1 Apparatus and method for digital control of a power converter current
09/02/1999DE19901936A1 Combinational circuit component
09/02/1999DE19901930A1 Combinational circuit component
09/01/1999EP0939483A2 Secondary side post regulator and multiple output power supply employing the same
09/01/1999EP0938813A1 Quick-reset circuit for auxiliary power supply
09/01/1999EP0938812A1 Standby power supply for video display apparatus
09/01/1999EP0938772A1 Fault control circuit for switched power supply
09/01/1999EP0938771A1 Auxiliary power supply control
09/01/1999EP0938770A1 Fault control circuit for switched power supply
09/01/1999EP0870220B1 Circuit for the production of an auxiliary voltage
08/1999
08/31/1999US5946229 Semiconductor device having device supplying voltage higher than power supply voltage
08/31/1999US5946210 Configuring power converters
08/31/1999US5946207 Power supply having a synchronous rectifier circuit for improved switching timing
08/31/1999US5946206 Plural parallel resonant switching power supplies
08/31/1999US5946204 Voltage booster with reduced Vpp current and self-timed control loop without pulse generator
08/31/1999US5946202 Boost mode power conversion
08/31/1999US5946200 Circulating current free type high frequency soft switching pulsewidth modulated full bridge DC/DC converter
08/31/1999US5945870 Voltage ramp rate control circuit
08/31/1999US5945820 DC-DC switching regulator with switching rate control
08/26/1999WO1999035733A3 Methods for establishing control commands for electronic power converters
08/25/1999EP0938184A2 Switching power source
08/25/1999EP0705495B1 Universal power converter with single, shared power transformation circuit
08/25/1999CN2335307Y Guasi-resonating dc high-voltage generator with 75% high-voltage measuring button
08/25/1999CN1044790C Power supply for providing output for a pair of output terminals
08/24/1999US5943271 Semiconductor integrated circuit device
08/24/1999US5943263 Apparatus and method for programming voltage protection in a non-volatile memory system
08/24/1999US5943229 Solid state transformer
08/24/1999US5943227 Programmable synchronous step down DC-DC converter controller
08/24/1999US5943226 Bootstrap charge pump circuit
08/24/1999US5943225 Circuit for removing a peak reverse voltage generated from a power supply source
08/24/1999US5943224 Post regulator with energy recovery snubber and power supply employing the same
08/24/1999US5943222 Self-excited RCC type switching power supply apparatus