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)
01/2003
01/01/2003	CN1097762C Pulse width modulated power supply
12/2002
12/31/2002	US6501921 High voltage generating circuit for a toner system printer
12/31/2002	US6501666 Method and apparatus for magnetic amplifier to reduce minimum load requirement
12/31/2002	US6501326 Semiconductor integrated circuit
12/31/2002	US6501325 Low voltage supply higher efficiency cross-coupled high voltage charge pumps
12/31/2002	US6501209 Piezoelectric transformer driving circuit
12/31/2002	US6501194 Energy recovery snubber circuit for bidirectional power converter and method of operation thereof
12/31/2002	US6501193 Power converter having regulated dual outputs
12/27/2002	WO2002103887A2 Power converters
12/27/2002	WO2002103886A2 Circuit arrangement for controlling a power supplied to a load
12/26/2002	US20020197522 Fuel cell assembly for portable electronic device and interface, control, and regulator circuit for fuel cell powered electronic device
12/26/2002	US20020196673 Booster circuit for raising voltage by sequentially transferring charges from input terminals of booster units to output terminals thereof in response to clock signals having different phases
12/26/2002	US20020196644 Current inrush limiting and bleed resistor current inhibiting in a switching power converter
12/26/2002	US20020196643 Charge pump circuit
12/26/2002	US20020196642 Method and circuit to bias output-side pulse width modulation control in an isolating voltage converter system
12/26/2002	US20020196208 Display
12/26/2002	US20020196070 Booster circuit
12/26/2002	US20020196006 Volt-second balanced PFCPWM power converter
12/26/2002	US20020196005 Data processing system
12/26/2002	US20020196004 Power distribution with digital current control
12/26/2002	US20020196003 Switching-type, inductive DC-DC converter with improved efficiency
12/26/2002	US20020196002 Self-synchronized synchronous rectifier
12/26/2002	US20020195976 Method and apparatus for canceling ripple current in a lamp
12/26/2002	US20020195662 Power semiconductor switching devices, power converters, integrated circuit assemblies, integrated circuitry, power current switching methods, methods of forming a power semiconductor switching device, power conversion methods, power semiconductor switching device packaging methods, and methods of forming a power transistor
12/25/2002	CN1387694A Externally-driven scheme for synchronous rectification
12/25/2002	CN1387307A Self-excitation oscillation synchronous step-up transducer
12/25/2002	CN1387306A Tree-level switching transformer
12/25/2002	CN1387305A Circuit of switching power supply with secondary power supply and its drive method
12/25/2002	CN1097337C Gate control circuit for voltage drive switching element
12/25/2002	CN1097335C Hydroelectric power generating equipment
12/25/2002	CN1097215C Adjustable DC voltage stabilizer
12/24/2002	US6498761 Power supply circuit and semiconductor memory device having the same
12/24/2002	US6498737 Voltage regulator with low sensitivity to body effect
12/24/2002	US6498735 Switching power supply unit
12/24/2002	US6498734 Power supply unit having reduced size and weight and an electronic apparatus using the same
12/24/2002	US6498466 Cancellation of slope compensation effect on current limit
12/24/2002	US6498465 Device for generating an adjustment signal for a D.C. converter
12/24/2002	US6498463 Boost converter with zero voltage main switch and zero current auxiliary switches
12/19/2002	WO2002101910A2 Switching converter
12/19/2002	WO2002101909A2 Power converter and method for power conversion
12/19/2002	WO2002101529A2 Apparatus for setting output power levels of integrated pwm controller
12/19/2002	WO2002075683A3 Control transducer and method for controlling a switch in a control transducer
12/19/2002	WO2002049194A3 Modularized power supply
12/19/2002	US20020194516 Apparatus for setting output power levels of integrated PWM controller
12/19/2002	US20020191472 Semiconductor memory device operating with low power consumption
12/19/2002	US20020191429 Single stage PFC + ballast control circuit/general purpose power converter
12/19/2002	US20020191428 Ac/dc coverter
12/19/2002	US20020191427 Inverter device with improved current detector
12/19/2002	US20020191425 Power convertor with low loss switching
12/19/2002	US20020191422 Switching power supply unit
12/19/2002	US20020191420 Voltage converter
12/19/2002	US20020191418 Method and apparatus for soft switched AC power distribution
12/19/2002	US20020191357 Current regulated voltage limited high voltage power supply for corona charger
12/19/2002	US20020190780 Charge pump for generating high voltages for semiconductor circuits
12/19/2002	US20020190701 Driving signal supply circuit
12/19/2002	US20020190698 Converter control
12/19/2002	US20020190696 Power factor corrector with efficient ripple attenuator
12/19/2002	US20020190689 Power supply apparatus and electronic equipment
12/19/2002	US20020190579 Method and apparatus for controlling power and power loss
12/19/2002	US20020190577 Method for negative feedback controlling electrical power and negative feedback controlled power supply
12/19/2002	DE10128687A1 Spannungswandler Voltage converter
12/19/2002	DE10128678A1 Soft-switching pulse-width modulated (PWM) bridge-type converter circuit, uses first and second electronic power switches with diode and inductance elements
12/18/2002	EP1267477A2 DC-DC low voltage to high voltage converter with high frequency capacitive storage
12/18/2002	EP1267476A2 Voltage converter
12/18/2002	EP1266745A2 Power source for electrofusion operations
12/18/2002	EP1266545A1 Electronic transformer
12/18/2002	EP1266442A2 Dynamically-controlled, intrinsically regulated charge pump power converter
12/18/2002	EP1266440A1 Synchronous rectification in a flyback converter
12/18/2002	EP1266272A1 System and method for providing step-down power conversion using an intelligent switch
12/18/2002	EP0891649B1 Dc power converter
12/18/2002	CN1385954A Phase-shift controlled bidirectional dc-dc converter
12/17/2002	US6496438 Semiconductor device and method for generating internal power supply voltage
12/17/2002	US6496396 Reverse recovery circuit, method of operation thereof and asymmetrical half-bridge power converter
12/17/2002	US6496395 Direct-current power-supply apparatus, control circuit thereof and semiconductor integrated circuit device for power supply
12/17/2002	US6496394 Uninterruptible power system
12/17/2002	US6496392 Dissipative clamping of an electrical circuit with a clamp voltage varied in response to an input voltage
12/17/2002	US6496391 Power supply unit utilizing a current transformer
12/17/2002	US6496390 Power supply with reduced power consumption in standby mode
12/17/2002	US6496389 Power factor improving switching circuit
12/17/2002	US6496055 Gate enhanced tri-channel positive charge pump
12/17/2002	US6495995 Self-clocking multiphase power supply controller
12/17/2002	US6495994 Regulator circuit for independent adjustment of pumps in multiple modes of operation
12/17/2002	US6495993 Circuitry for improving the efficiency of a switching regulator by reducing reverse recovery current
12/17/2002	US6495971 High intensity discharge lamp ballast
12/12/2002	WO2002099956A2 Micro power supply with integrated charging capability
12/12/2002	WO2002099955A2 Active clamp step-down converter with power switch voltage clamping function
12/12/2002	WO2002099948A1 Power supply architecture with controlled power-on and power-off sequence
12/12/2002	WO2002099916A2 Fuel cell assembly for portable electronic device and interface, control, and regulator circuit for fuel cell powered electronic device
12/12/2002	WO2002071587A3 Start-up circuit for switched mode power supply
12/12/2002	WO2002061928A3 A converter
12/12/2002	WO2002061925A3 A converter
12/12/2002	US20020188383 Power systems, power circuits, and components for power systems
12/12/2002	US20020186577 Unified power architecture
12/12/2002	US20020186575 Control circuit for use with switch power converter
12/12/2002	US20020186574 Voltage booster circuit and semiconductor device for incorporating same
12/12/2002	US20020186572 Switching power supply and electronic apparatus using the same
12/12/2002	US20020186571 Switching power supply device
12/12/2002	US20020186553 Converter device
12/12/2002	US20020186518 Overvoltage protection circuit
12/12/2002	US20020186026 Control device for a resonant converter

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