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)
10/2005
10/06/2005DE102004023458A1 Vorrichtung zum Umformen in Gleichspannung durch ein Pulsbreitenmodulationssignal Device for forming into DC voltage by a pulse width modulation signal
10/06/2005DE102004013243A1 Verfahren und Vorrichtung zur Wirkungsgradverbesserung parallelgeschalteter Gleichspannungswandler Method and device for improvement in efficiency of parallel-connected DC-DC converter
10/06/2005DE102004011458A1 Circuit for producing a controlled operating voltage for a data carrier such as a contactless chip card has charge pump circuit and monitor of output voltage
10/06/2005DE10103817B4 DC-DC-Wandler DC-DC converter
10/06/2005CA2503981A1 Converter circuit with coupled inductances
10/05/2005EP1581407A2 Voltage converting device, computer readable recording medium with program recorded thereon for causing computer to execute failure processing, and failure processing method
10/05/2005EP1497910B1 Switched-mode power supply arrangement
10/05/2005EP1472782B1 System comprising an electrical bridge for generating an electrical signal for a load and a control unit for such a system
10/05/2005EP1440502B1 Dual input ac and dc power supply having a programmable dc output utilizing a secondary buck converter
10/05/2005CN2731828Y Digital displaying controllable voltage regulator for vehicle
10/05/2005CN2731807Y Current type d.c. remote unintermittent power supply system
10/05/2005CN2731547Y Commutator for network power supply and direct power supply
10/05/2005CN1679226A Apparatus and method for charging and discharging a capacitor
10/05/2005CN1679225A Dc-to-dc converter
10/05/2005CN1679224A Switching power source device
10/05/2005CN1679223A Voltage doubler circuit
10/05/2005CN1678136A Power supply of phantom power supplied microphones
10/05/2005CN1677967A Binary frequency-shift key-controlled demodulator and frequency voltage conversion circuit
10/05/2005CN1677825A Semiconductor device for controlling switching power supply
10/05/2005CN1677824A Semiconductor device for controlling switching power supply
10/05/2005CN1677823A Switch power supply apparatus and control method thereof
10/05/2005CN1677822A Step-down DC-DC converter
10/05/2005CN1677820A Booster circuit
10/05/2005CN1677819A Capacitor charging circuit and strobe apparatus comprising same
10/05/2005CN1677818A Method of forming a floating charge pump and structure therefor
10/05/2005CN1677817A Boost circuit capable of step-up ratio control
10/05/2005CN1677816A Boost controller capable of step-up ratio control
10/05/2005CN1677815A Reversible back-boost chopper circuit, and inverter circuit with the same
10/05/2005CN1677814A Low audible noise power supply controller and method therefor
10/05/2005CN1677813A Device for controlling drive voltage supplied to multiple loads
10/05/2005CN1677812A Power factor correction circuit
10/05/2005CN1677788A Battery, battery protection processing device and control method
10/05/2005CN1677666A Semiconductor device
10/05/2005CN1677572A Nonvolatile semiconductor memory device
10/05/2005CN1677300A Switching regulator control circuit, switching regulator and switching regulator control method
10/05/2005CN1677299A Low dropout voltage regulator
10/04/2005US6952619 Dependent power supplying apparatus and electronic instrument
10/04/2005US6952355 Two-stage converter using low permeability magnetics
10/04/2005US6952354 Single stage PFC power converter
10/04/2005US6952353 Integrated magnetic isolated two-inductor boost converter
10/04/2005US6952129 Four-phase dual pumping circuit
10/04/2005US6952116 Non-cascading charge pump circuit and method
10/04/2005US6952093 Adaptive small-signal compensation for switching regulators
10/04/2005CA2374244C Integrated direct current converter
10/04/2005CA2369060C Dc-dc-converter and bi-directional dc-dc converter and method of controlling the same
09/2005
09/29/2005WO2005091497A1 Switch mode power supply with output voltage equalizer
09/29/2005WO2005091486A1 Control circuit for switching power supply
09/29/2005WO2005091484A1 Switching power supply
09/29/2005WO2005091483A1 Dc-dc converter
09/29/2005WO2005091482A1 Dc-dc converter
09/29/2005WO2005091111A1 Droop amplifier circuit for a dc-dc converter
09/29/2005WO2005089309A2 Power control methods and apparatus
09/29/2005US20050213781 Charge pump circuit
09/29/2005US20050213358 Method for operating a switching converter and drive circuit for driving a switch in a switching converter
09/29/2005US20050213356 Step-up power supply unit and portable apparatus utilizing the same
09/29/2005US20050213355 Switching power source
09/29/2005US20050213354 High efficiency power converter
09/29/2005US20050213353 LED power control methods and apparatus
09/29/2005US20050213352 Power control methods and apparatus
09/29/2005US20050213280 Trench capacitor power supply system and method
09/29/2005US20050213267 Switched-capacitor power supply system and method
09/29/2005US20050212608 Phase adjusting circuit and oscillator including the same
09/29/2005US20050212604 Programmable radio transceiver
09/29/2005US20050212587 Method of forming a floating charge pump and structure therefor
09/29/2005US20050212586 High efficiency, low cost, charge pump circuit
09/29/2005US20050212502 Low audible noise power supply controller and method therefor
09/29/2005US20050212500 Control circuit
09/29/2005US20050212499 Switching regulator control circuit, switching regulator and switching regulator control method
09/29/2005US20050212498 Switching power supply
09/29/2005US20050212497 DC-DC converter and control method thereof
09/29/2005US20050212496 Voltage regulator
09/29/2005US20050212493 Capacitor system
09/29/2005DE102004045718A1 Isolierter DC-DC-Wandler Isolated DC-DC converter
09/29/2005DE102004010914A1 Verfahren und Vorrichtung zur Regelung eines durch eine induktive Last fließenden Stromes Method and apparatus for controlling a current flowing through an inductive load current
09/29/2005CA2730210A1 Power control methods and apparatus
09/28/2005EP1580874A2 Method and apparatus for robust mode selection with low power consumption
09/28/2005EP1580872A2 Control circuit
09/28/2005EP1580871A1 A quasi-active power factor correction circuit for switching power supply
09/28/2005EP1580639A1 Transition mode power factor correction device in switching power supplies
09/28/2005EP1579563A2 Adaptive resonant switching power system
09/28/2005EP1579561A2 Power converter circuitry and method
09/28/2005EP1579560A2 Power converter circuitry and method
09/28/2005EP1579559A1 Power converter circuitry and method
09/28/2005EP1579558A1 Load-dependent variable frequency voltage regulator
09/28/2005EP1579557A2 Power converter circuitry and method
09/28/2005EP1579556A1 Apparatus and method for cpu surge reduction and protection
09/28/2005EP1579554A2 Controller for dc to dc converter
09/28/2005CN2730018Y Wide voltage input stabilized output type DC/DC power module with high separation ability
09/28/2005CN1675821A Dc-to-dc converter
09/28/2005CN1675820A Overheat protection device
09/28/2005CN1675819A Voltage conversion device, voltage conversion method, and computer-readable recording medium containing program for causing computer to execute voltage conversion control
09/28/2005CN1675464A Booster power supply for engine generator and its controlling method
09/28/2005CN1674444A 电荷泵电路 The charge pump circuit
09/28/2005CN1674425A 电压调节器 Voltage Regulator
09/28/2005CN1674424A Step-up power supply unit and portable apparatus utilizing the same
09/28/2005CN1674423A DC-DC converter and control method thereof
09/28/2005CN1674422A Pulse wide modulation converting to DC voltage unit
09/28/2005CN1674421A 控制电路 The control circuit
09/28/2005CN1221126C Imaging device and method for controlling same
09/28/2005CN1220851C Air conditioner controller and control method
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