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)
10/1999
10/26/1999US5973946 Power-factor improvement converter
10/26/1999US5973945 Coupled inductor power supply with reflected feedback regulation circuitry
10/26/1999US5973944 Inductorless step-up and step-down converter with inrush current limiting
10/26/1999US5973941 Electricity meter with a switching mode transformer power supply circuit
10/26/1999US5973940 Switched-mode power supply for a load having a low power supply
10/26/1999US5973939 Double forward converter with soft-PWM switching
10/26/1999US5973938 Switched-mode power supply
10/26/1999US5973937 Switching power supply circuit of current-resonance type without a choke coil
10/26/1999US5973936 Current-voltage regulator
10/26/1999US5973895 Method and circuit for disabling a two-phase charge pump
10/26/1999US5973547 Self-biasing, offset-nulling power supply monitor circuit
10/26/1999US5973546 Charge pump circuit architecture
10/26/1999US5973545 Single pump circuit for generating high voltage from two different inputs
10/26/1999US5973485 Method and apparatus for a multiple stage sequential synchronous regulator
10/26/1999US5973483 Switching mode power supply with over voltage stabilizer
10/26/1999US5973367 Multiple gated MOSFET for use in DC-DC converter
10/21/1999WO1999053601A1 Circuit for a power supply unit
10/21/1999DE19913115A1 Isolation type DC-DC power conversion unit and electrical system for an electric vehicle
10/21/1999DE19817498A1 Voltage convertor of the blocking oscillator type
10/21/1999DE19816447A1 Schaltungsanordnung für ein Stromversorgungsgerät Circuit arrangement for a power supply
10/21/1999DE19801026C1 Verfahren zur Erzeugung von Stellbefehlen für Stromrichter A method for generating control commands for the converter
10/20/1999EP0951133A2 Method and active filter for reducing ripple of a current drawn by a charge from a network
10/20/1999EP0950342A1 Driver circuit and method of operating the same
10/20/1999EP0847572A4 Microcontroller with liquid crystal display charge pump
10/20/1999EP0803067B1 Two-way dc-to-dc voltage converters and current sensor
10/20/1999CN1232312A Resonance type switching power source
10/20/1999CN1232268A Booster circuit for semiconductor device
10/20/1999CN1045838C Voltage boosting circuit used in active cycle of semiconductor memory device
10/19/1999US5969988 Voltage multiplier circuit and nonvolatile semiconductor memory device having voltage multiplier
10/19/1999US5969965 Self-contained converter plant for modular power supply systems
10/19/1999US5969962 Low line harmonic AC to DC power supply
10/19/1999US5969961 Load pump type of voltage generator circuit
10/19/1999US5969955 Push-pull power converter with crowbar circuit for very fast output voltage turn-off
10/19/1999US5969954 AC/DC converter with a piezoelectric transformer
10/19/1999US5969565 Voltage booster circuit
10/19/1999US5969557 Delay circuit, oscillation circuit and semiconductor memory device
10/19/1999US5969515 Apparatus and method for digital control of a power converter current
10/19/1999US5969514 Digital feedback power supply
10/19/1999US5969512 Output voltage variable power circuit
10/19/1999CA2217121C Resonant switching power supply circuit
10/15/1999CA2268993A1 A converter module for an electrical power supply and a system including it
10/14/1999WO1999052200A1 Method and circuit for operating a transistor as a rectifier
10/14/1999DE19814681A1 Current-mode switching regulator for power supply
10/13/1999EP0949751A2 Generator for arc welding machines with forward topology and active clamp
10/13/1999EP0949750A2 Charge pump type booster circuit
10/13/1999EP0949739A2 Power supply apparatus
10/13/1999EP0948775A1 Non-contact integrated circuit comprising a charge pump
10/13/1999EP0880783B1 Low supply voltage negative charge pump
10/13/1999EP0861517B1 A fast 3-state booster circuit
10/13/1999EP0799521B1 Power supply circuit
10/13/1999CN1231751A Non-contact IC comprising a charge pump
10/12/1999US5966518 Capacitor designing method of MOS transistor
10/12/1999US5966299 Boost and buck chopper type potential source excitation system for synchronous type electric power generator
10/12/1999US5966298 Electrical device with a constant voltage converter
10/12/1999US5966003 DC-DC converter control circuit
10/12/1999US5966002 Method and apparatus for adapting voltage control in alarm systems
10/12/1999CA2057991C Improvements in or relating to apparatus for and/or methods of supplying power to a load
10/07/1999WO1999050862A1 Voltage boosting circuit including capacitor with reduced parasitic capacitance
10/06/1999EP0947990A2 Booster circuit for semiconductor device
10/06/1999EP0947048A1 Power modulator
10/06/1999EP0873651B1 Switched-mode power supply with low power loss in standby operation
10/06/1999EP0713614B1 Power supply comprising means for improving the power factor
10/06/1999CN1231079A Snubber circuit, voltage converter circuit and method in such a snubber circuit
10/06/1999CN1231037A Hybrid regulator
10/06/1999CN1230820A Gate control circuit for voltage drive switching element
10/05/1999US5963439 Device for limiting transient variations of a supply voltage
10/05/1999US5963438 Used in a feedback control circuit for an electrical power supply
10/05/1999US5963437 Power circuit
10/05/1999US5963436 Switching power supply apparatus and controlling method for the same
10/05/1999US5963025 For use in a semiconductor integrated circuit
10/05/1999US5963024 Switched mode power supply
10/05/1999US5960898 Power supply unit and electric vehicle incorporating the same
09/1999
09/30/1999WO1999049560A1 Power supply
09/30/1999DE19812299A1 Gleichspannungswandler DC voltage converter
09/30/1999DE19812069A1 Power amplifier esp. gradient amplifier of magnetic resonance imaging tomograph
09/30/1999DE19811605A1 Schaltungsanordnung zur Ansteuerung eines Pulsweitenmodulators in einem Schaltnetzteil Circuit arrangement for driving a pulse width modulator in switching power supply
09/30/1999DE19805847A1 Circuit for timing and pulse width modulation of a primary side clocked current supply
09/30/1999CA2265003A1 Switched converter with multiple regulated outputs
09/29/1999EP0945769A1 Watch provided with thermoelectric generation unit
09/29/1999EP0944951A1 Snubber circuit, voltage converter circuit and method in such a snubber circuit
09/29/1999EP0944949A1 Dual-output dc-dc power supply
09/28/1999US5960075 Switchmode power converters for telephone subscriber line interface circuits
09/28/1999US5959857 Power supply apparatus for producing a constant DC voltage from a range of AC inputs
09/28/1999US5959856 DC-to-DC power converter
09/28/1999US5959855 Voltage control with feedback utilizing analog and digital control signals
09/28/1999US5959854 Voltage step-up circuit and method for controlling the same
09/28/1999US5959853 Closed-loop switched capacitor network power supply
09/28/1999US5959851 Switched-mode power supply control circuit
09/28/1999US5959850 Asymmetrical duty cycle flyback converter
09/28/1999US5959846 Modular surface mount circuit device and a manufacturing method thereof
09/28/1999US5959443 Controller circuit for controlling a step down switching regulator operating in discontinuous conduction mode
09/28/1999US5959442 Buck converter
09/28/1999US5959441 Voltage mode control for a multiphase DC power regulator
09/28/1999US5959439 Monolithic DC to DC converter
09/28/1999US5959438 Soft-switched boost converter with isolated active snubber
09/28/1999CA2167494C Dc voltage regulation circuit
09/23/1999WO1999048204A1 Circuit for controlling a pulse width modulator in a switched-mode power supply
09/22/1999EP0944162A1 Auto-synchronized DC/DC converter and method of operating same
09/22/1999EP0944161A2 Current-resonant switching power supply
09/22/1999EP0944160A1 Electrical power management system
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