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)
11/2002
11/07/2002	US20020163818 Magnetic device and method of manufacture therefor
11/07/2002	US20020163380 Integrated circuit
11/07/2002	US20020163376 Variable stage charge pump
11/07/2002	US20020163371 Power converter circuit and method for controlling
11/07/2002	US20020163323 Maximum power point tracking method and device
11/07/2002	US20020163322 Active rectifier
11/07/2002	DE10117157A1 Transformation of a primary voltage into a secondary voltage using a switched supply
11/06/2002	EP1255347A2 Switched mode power supply responsive to current derived from voltage across energy transfer element input
11/06/2002	EP1203427A4 High pulse rate pulse power system with liquid cooling
11/06/2002	EP1010233A4 Leakage current power supply
11/06/2002	CN1378717A Clocked power supply
11/06/2002	CN1378331A Switch power device and electronic device for using said switch power device
11/06/2002	CN1378330A DC power source converter
11/06/2002	CN1378329A Charging pump circuit for low supply voltage
11/06/2002	CN1378285A 半导体器件 Semiconductor devices
11/06/2002	CN1378119A Power device
11/05/2002	USRE37898 Self-oscillating switching power supply with output voltage regulated from the primary side
11/05/2002	US6477066 Method and apparatus for reducing audible acoustical noise in a power supply transformer by shaping the waveform of a primary side inductor current
11/05/2002	US6477065 Resonant gate driver
11/05/2002	US6477064 High efficiency DC-DC power converter with turn-off snubber
11/05/2002	US6477063 Multi-output switching power source apparatus
11/05/2002	US6477062 Power supply unit including an inverter
11/05/2002	US6476683 Adaptive switching speed control for pulse width modulation
11/05/2002	US6476666 Bootstrapped charge pump
11/05/2002	US6476665 Switched-mode power supply and display
11/05/2002	US6476589 Circuits and methods for synchronizing non-constant frequency switching regulators with a phase locked loop
11/05/2002	US6476588 Voltage transformer and associated operating method
11/05/2002	US6476566 Method and apparatus for canceling ripple current in a lamp
10/2002
10/31/2002	WO2002087054A1 Battery-driven electronic device and mobile communication apparatus
10/31/2002	WO2002086919A1 Solenoid drive apparatus and drive method
10/31/2002	WO2002061914A9 Battery-operated power supply
10/31/2002	WO2002043443A3 Led-driver circuit
10/31/2002	WO2002039567A3 Magnetic amplifier ac/dc converter with primary side regulation
10/31/2002	WO2000069056A3 Direct current converter
10/31/2002	US20020159282 Electrical power supply converter
10/31/2002	US20020159280 Start-up circuit and control for high power isolated boost DC/DC converters
10/31/2002	US20020159277 Magnetic core, coil assembly and power supply circuit using the same
10/31/2002	US20020159276 Semiconductor circuit and switch-mode power supply
10/31/2002	US20020159214 Miniaturized ac/dc power supply and battery charger
10/31/2002	US20020159210 Output feedback and under-voltage detection system
10/31/2002	US20020158656 Apparatus and method for power continuity testing in a parallel testing system
10/31/2002	US20020158618 Data processing system
10/31/2002	US20020158613 DC to DC converter method and circuitry
10/31/2002	US20020158595 Drive assembly for a covering of an architectural opening
10/31/2002	DE10214061A1 Switched mode power supply for e.g. brightness-controlled LED array, employs optical feedback loop from secondary circuit
10/31/2002	DE10119881A1 Stabilized switched-mode power supply has second transformer connected to secondary of first transformer, to produce further output voltages
10/30/2002	EP1252705A1 Simplified implementation of parallelability for modules with synchronous rectification
10/30/2002	EP1252704A2 Load matched alternator system
10/30/2002	EP1252701A2 Multi-output switched power converter providing an uninterrupted voltage at one output
10/30/2002	EP1251991A1 Method for regulating and/or controlling a welding current source with a resonance circuit
10/30/2002	EP0922323B1 Digitally controlled switched-mode voltage converter
10/30/2002	CN2519527Y Reverse exciting type transducer output synchronous rectifier
10/30/2002	CN2519526Y Multipath isolated power module
10/30/2002	CN2519525Y New active power factor corrector
10/30/2002	CN1377137A IC device with power control logic circuit and operation thereof
10/30/2002	CN1377126A Method for driving switch in switching power supply and switching power supply
10/30/2002	CN1377125A Step-up transformer
10/29/2002	US6473323 Device for transferring energy to a transformer secondary during a predetermined time period
10/29/2002	US6473322 AC-DC converter
10/29/2002	US6473321 Semiconductor integrated circuit and nonvolatile semiconductor memory
10/29/2002	US6473318 Leakage energy recovering system and method for flyback converter
10/29/2002	US6473317 Forward DC/DC converter with semi-synchronous rectification and improved efficiency
10/29/2002	US6473316 Phase control circuit and switching regulator
10/29/2002	US6473304 Thermally conductive case for electrical components and method of manufacture therefor
10/29/2002	US6473284 Low-power dc-to-dc converter having high overvoltage protection
10/29/2002	US6473280 Switching voltage regulator failure detection circuit and method
10/29/2002	US6472926 Internal voltage generation circuit
10/29/2002	US6472856 Bounded power supply voltage positioning
10/29/2002	US6472854 Battery operated power circuit and driving method thereof
10/29/2002	US6472852 Resonant buck-type voltage converter using swinging inductance
10/24/2002	WO2002084873A1 Synchronous rectifiers
10/24/2002	WO2002084853A1 A switching resonant power supply
10/24/2002	WO2002084852A1 Overcurrent protection switched mode power supply
10/24/2002	WO2002084462A2 Voltage multiplier for low voltage microprocessor
10/24/2002	US20020154524 Charge pump rash current limiting circuit
10/24/2002	US20020154522 Switching power supply
10/24/2002	US20020154519 Control apparatus for DC/DC converter
10/24/2002	US20020153940 Amplifier system with on-demand power supply boost
10/24/2002	US20020153939 Boosting circuit with high voltage generated at high speed
10/24/2002	US20020153872 Switching power-supply module
10/24/2002	US20020153871 Constant-current/constant-voltage circuit architecture
10/24/2002	US20020153869 Power supply device
10/24/2002	US20020153868 PWM feedback control by using dynamic pulse-to-pulse error compensation
10/24/2002	US20020153849 Electronic dimmable ballast for high intensity discharge lamp
10/24/2002	DE10213254A1 Lastbetriebssystem und Verfahren dazu Load Operating System and method therefor
10/24/2002	DE10213253A1 Lastbetriebssystem und Verfahren dazu Load Operating System and method therefor
10/24/2002	DE10159034A1 Power stage for safety-relevant circuit is switched mode power supply stage, supplies automatic gas-fired system, fan motor and, indirectly via automatic gas-fired system, gas valve
10/23/2002	EP1251630A2 Switching power supply
10/23/2002	CN2518260Y High voltage and frequency pulse d.c. generator
10/23/2002	CN1376327A Voltage control circuitry for charging output capacitor
10/23/2002	CN1375919A Power-supply controlling apapratus and its method
10/23/2002	CN1093305C Spare electric-power supply using dc-dc converter
10/22/2002	USRE37889 Low loss synchronous rectifier for application to clamped-mode power converters
10/22/2002	US6469942 System for word line boosting
10/22/2002	US6469936 Apparatus and method for programming voltage protection in a non-volatile memory system
10/22/2002	US6469921 Power supply apparatus
10/22/2002	US6469915 Resonant reset dual switch forward DC-to-DC converter
10/22/2002	US6469914 Universal pulse width modulating power converter
10/22/2002	US6469913 Switching power supply device having series capacitance
10/22/2002	US6469571 Charge pump with charge equalization for improved efficiency

1 ... 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 ... 545