Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
02/2003
02/25/2003US6525514 Method and apparatus for reducing audio noise in a switching regulator
02/25/2003US6525513 Soft switching topological circuit in boost or buck converter
02/25/2003US6525488 Self-oscillating synchronous boost converter
02/25/2003US6525435 Proportional distribution of power from a plurality of power sources
02/25/2003US6525434 Binary demand switching circuit
02/20/2003WO2003015250A2 Dc to dc converters
02/20/2003WO2003015233A1 An electrical apparatus and a limiting method
02/20/2003WO2003014902A1 Distributed power supply architecture
02/20/2003WO2002088862B1 Amplifier system with on-demand power supply boost
02/20/2003WO2002084462A3 Voltage multiplier for low voltage microprocessor
02/20/2003WO2002065587B1 Circuit for coupling energy to a pulse forming network or capacitor
02/20/2003WO2002015371B1 Switched magamp post regulator
02/20/2003WO2001095467A3 Switching power converter with gated oscillator control
02/20/2003US20030035307 Switching power supply
02/20/2003US20030035306 Insulating-type switching electric power source device
02/20/2003US20030035305 Electroplating power supply apparatus
02/20/2003US20030035304 Tracking power supply controlling
02/20/2003US20030035303 Switched mode power supply responsive to current derived from voltage across energy transfer element input
02/20/2003US20030035260 Integrated circuit for generating a plurality of direct current (DC) output voltages
02/20/2003US20030034827 High-efficiency power charge pump supplying high DC output currents
02/20/2003US20030034826 Voltage charge pump with circuit to prevent pass device latch-up
02/20/2003US20030034823 Data processing system
02/20/2003US20030034808 Drive circuit
02/20/2003US20030034766 Voltage/current controller device, particularly for interleaving switching regulators
02/20/2003US20030034765 PWM controller having off-time modulation for power converter
02/20/2003US20030034764 Pulse width modulation controller using trip-point voltage to modulate switching frequency
02/20/2003US20030034762 DC-DC converter
02/20/2003US20030034761 Air conditioner
02/20/2003US20030034760 Technique for limiting current through a reactive element in a voltage converter
02/20/2003US20030034744 Discharge lamp ballast circuit
02/19/2003EP0938771B1 Auxiliary power supply control
02/19/2003CN1398411A 功率调整器 Power regulator
02/19/2003CN1398364A Low power mode and feedback arrangement for switching power converter
02/19/2003CN1398038A Method and device for sampling source voltage
02/19/2003CN1101989C Sef-driving cirucit of DC/DC converter
02/18/2003US6522560 Power supply apparatus
02/18/2003US6522559 Low voltage charge employing optimized clock amplitudes
02/18/2003US6522558 Single mode buck/boost regulating charge pump
02/18/2003US6522209 Oscillator averaging phase shift generator
02/18/2003US6522192 Boost doubler circuit
02/18/2003US6522191 Synchronized voltage generator for amplifying voltage inputs
02/18/2003US6522190 High efficiency multiple input voltage sources power supply
02/18/2003US6522120 Load driving apparatus
02/18/2003US6522118 Constant-current/constant-voltage current supply
02/18/2003US6522113 Synchronous coupled inductor switching regulator with improved output regulation
02/18/2003US6522109 Power conversion apparatus
02/18/2003US6522108 Loss and noise reduction in power converters
02/18/2003US6522107 DC-DC converter circuit for preventing beat interference
02/13/2003WO2003012966A1 Fuel cell inverter
02/13/2003WO2003012965A1 Switched-mode power supply with a damping network
02/13/2003WO2003012964A2 Tapped-inductor step-down converter
02/13/2003WO2002071591A8 Asymmetric multi-converter power supply
02/13/2003WO2002037655A9 Integrated multi-level inverter assembly
02/13/2003US20030031036 Asymmetric multi-converter power supply
02/13/2003US20030031035 Switching power unit
02/13/2003US20030031034 Programmable power supply
02/13/2003US20030031033 System for controlling the delivery of power to dc computer components utilizing phase shift regulation
02/13/2003US20030030422 Use of a rectified image voltage for controlling the switch on the primary side of a switched-mode power supply
02/13/2003US20030030421 Power supply unit
02/13/2003US20030030420 Load driving apparatus
02/13/2003US20030030419 DC-DC converter and driving method for the same
02/13/2003US20030030385 AC power generating apparatus having electrolytic capacitor and ceramic capacitor
02/13/2003US20030030326 Distributed power and supply architecture
02/13/2003US20030030324 Power distribution apparatus
02/12/2003EP1283587A2 Power supply
02/12/2003EP1282933A1 Method and arrangement for regulating low output voltages in multiple output flyback dc/dc converters
02/12/2003EP0938813B1 Quick-reset circuit for auxiliary power supply
02/12/2003EP0938812B1 Standby power supply for video display apparatus
02/12/2003CN2535969Y Liquid crystal screen with power source conversion function
02/12/2003CN1396697A Alternatively parallel three-level converter excited by positive voltage
02/12/2003CN1396696A Control method of charging exciting circuit
02/11/2003US6519538 Method for predicting stability characteristics of power supplies
02/11/2003US6519167 PWM controller with single-cycle response
02/11/2003US6519166 Apparatus and method for controlled preload operation of an electrical converter
02/11/2003US6519165 Dc-to-dc converter
02/11/2003US6519164 Single power stage AC/DC forward converter with power switch voltage clamping function
02/11/2003US6519163 Power supply unit
02/11/2003US6518831 Boosting circuit for high voltage operation
02/11/2003US6518830 High efficiency electronic circuit for generating and regulating a supply voltage
02/11/2003US6518829 Driver timing and circuit technique for a low noise charge pump circuit
02/11/2003US6518828 Pumping voltage regulation circuit
02/11/2003US6518739 Zero-voltage-switch snubber circuit
02/11/2003US6518738 Switching regulator control circuit with proactive transient response
02/11/2003US6518733 Circuits and techniques for capacitor charging circuits
02/06/2003WO2003010876A2 Power factor correction circuit with a coil
02/06/2003WO2003010875A2 Energy converting device
02/06/2003WO2003009690A2 Oscillating circuit, converter with such oscillating circuit, and preconditioner with such converter
02/06/2003WO2002089286A8 Dc-dc conversion charging apparatus
02/06/2003WO2002041483A3 Apparatus and method for measuring dc load current of a switching power supply
02/06/2003US20030026116 On-vehicle DC-DC converter & method thereof
02/06/2003US20030026115 Switching-type DC-DC converter
02/06/2003US20030026112 DC-DC voltage converter
02/06/2003US20030026051 Dual-switching and dual-linear power controller chip
02/06/2003US20030025550 Method and integrated circuit for boosting a voltage
02/06/2003US20030025549 Booster circuit capable of switching between a conventional mode and a low consumption current mode
02/06/2003US20030025548 Voltage generation circuits and methods of operating same that use charge sharing to increase voltage step-up
02/06/2003US20030025484 Cancellation of slope compensation effect on current limit
02/06/2003US20030025181 Semiconductor device provided with potential transmission line
02/05/2003EP1282221A2 Voltage supply module
02/05/2003EP1281233A1 Switching power supply circuit