Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
03/2014
03/06/2014US20140063865 Dc/dc converter
03/06/2014US20140063862 Varying switching frequency and period of a power supply controller
03/06/2014US20140063861 Ac-dc voltage converter with low standby power consumption and control method thereof
03/06/2014US20140063860 Dc power source device and power conversion method
03/06/2014US20140063859 Power supply device
03/06/2014US20140063857 Method and apparatus for controlling a lighting device
03/06/2014US20140063856 Volatge converting apparatus and sub-harmonic detector thereof
03/06/2014US20140062581 Radiation hardened charge pump
03/06/2014US20140062531 Signal driver circuit having adjustable output voltage for a high logic level output signal
03/06/2014US20140062450 Capacitive load drive circuit, liquid ejection printing apparatus, liquid ejection device, fluid transportation device, and medical instrument
03/06/2014US20140062448 Voltage level converting circuit and electronic device using the same
03/06/2014US20140062444 Boundary conduction mode switching regulator and driver circuit and control method thereof
03/06/2014US20140062443 Dc-dc converter and control method thereof
03/06/2014US20140062440 Sensorless Current Sense for Regulating Inductor Current in a Buck Converter
03/06/2014US20140062439 Switching power supply
03/06/2014US20140062437 Power Supply Module
03/06/2014US20140062434 Switch mode power supply, control circuit and associated control method
03/06/2014US20140062433 Multiphase switching converters operating over wide load ranges
03/06/2014US20140062429 Rectifier circuit
03/06/2014US20140062187 Forward-based power conversion apparatus
03/06/2014DE112011105299T5 Brennstoffzellensystem Fuel cell system
03/06/2014DE102012108150A1 Mehrphasiger Gleichspannungswandler mit Schaltungsanordnung zum Nachbildeneines magnetischen Flusses durch zumindest zwei Induktivitäten Multi-phase DC-DC converter with circuitry for Nachbildeneines magnetic flux through at least two inductances
03/06/2014DE102012108149A1 Flusskompensation für Fluss-Nachbildungen für mehrphasige Gleichspannungswandler Flow compensation for flow simulations for multi-phase DC-DC converter
03/05/2014EP2704302A1 Switching a DC-to-DC converter
03/05/2014EP2704301A1 DC-DC converter and control method thereof
03/05/2014EP2704300A1 Method for controlling a power stage
03/05/2014EP2702677A1 Operating device for a lamp, comprising a power factor correction circuit
03/05/2014EP2702676A1 Method and circuit for power factor correction
03/05/2014EP2702675A1 Method and circuit for power factor correction
03/05/2014CN203466748U Vehicle-mounted inversion power supply
03/05/2014CN203466739U Energy compensation type power supply structure for electrolytic copper foil generation process
03/05/2014CN203466732U Inductive rotating power supply
03/05/2014CN203466731U Multi-path output switching power supply
03/05/2014CN203466730U LLC resonant converter
03/05/2014CN203466729U Multi-level LLC converter
03/05/2014CN203466728U Intrinsically safe switching power supply DC intrinsically safe power supply
03/05/2014CN203466727U Miniwatt voltage stabilizing source circuit
03/05/2014CN203466726U Direct-current voltage conversion circuit
03/05/2014CN1835365B Frequency dividing circuit, power supply circuit and display device
03/05/2014CN103620935A Bidirectional dc-dc converter
03/05/2014CN103620934A DC-DC driver device having input and output filters, for driving a load, in particular an LED unit
03/05/2014CN103620933A Control arrangement and method for regulating the output voltage of a dc source power converter connected to a multi-source dc system
03/05/2014CN103620932A Adaptive digital modification of analog feedback loop in switch-mode power converter
03/05/2014CN103620931A Switching power supply device
03/05/2014CN103618466A Power circuit for supplying 5V voltage
03/05/2014CN103618462A Multiphase resonance bridge type modular multi-level switch capacitor converter
03/05/2014CN103618461A Controlling method of bridge type inverter and controlling device
03/05/2014CN103618460A Synchronous rectification voltage reducing-flyback direct current to direct current power adaptor
03/05/2014CN103618459A Positive and negative shock doubler rectifier converter connected in series at primary side and outputting in parallel at auxiliary side of transformer
03/05/2014CN103618458A Three-winding transformer secondary side output series forward and flyback double-voltage converter
03/05/2014CN103618457A Efficient switching regulator having self-adaption output circuit driving ability
03/05/2014CN103618456A Power supply switching circuit for BOOST type DC - DC converter
03/05/2014CN103618455A Method for reducing steady state error of output voltage of single-inductor double-output converter and circuit
03/05/2014CN103618454A Multi-phase synchronous switch regulator
03/05/2014CN103618453A Switching regulator circuit
03/05/2014CN103618452A Capacity multiplier for internal frequency compensation of switching type voltage stabilizing integrated circuit
03/05/2014CN103618451A Inverter welding machine with PFC (Positive Feedback Circuit) function
03/05/2014CN103618450A System for double-mode DC-DC power conversion
03/05/2014CN103618449A Three-winding coupling inductance double tube boost converter with charge pump
03/05/2014CN103618448A Coupling inductance double tube direct current converter with charge pump
03/05/2014CN103618447A Switching regulator
03/05/2014CN103618446A Passive clamping parallel type boost converter with coupling inductors and switch capacitors
03/05/2014CN103618445A Coupling inductance ZVS/ZCS double tube direct current converter with charge pump
03/05/2014CN103618444A Three-winding coupling inductance ZVS/ZCS double-tube boost converter
03/05/2014CN103618443A Switching regulator
03/05/2014CN103618441A Enhanced low voltage starting integrated circuit
03/05/2014CN103618437A Control circuit enabling switch voltage stabilization circuit to keep high efficiency within wide current range
03/05/2014CN103618183A A charging adapter for a golf cart
03/05/2014CN103617879A Transformer structure and rectifying circuit suitable for same
03/05/2014CN103617315A Modeling method on basis of effective duty cycle for phase-shifted full-bridge ZVS (zero voltage switching) converter
03/05/2014CN102447406B Alternating current (AC)/direct current (DC) converter
03/05/2014CN102437738B Power supply system of high voltage direct transformation electrolytic power supply and method for realizing high voltage direct transformation electrolytic power supply
03/05/2014CN102386762B Boosting clock circuit and charge pump with same
03/05/2014CN102368661B Switching power supply with function of correcting power factor as well as control device and control method thereof
03/05/2014CN102111072B Multiple-output power supply unit and image forming apparatus having power supply unit
03/05/2014CN102065603B Load drive circuit and multi-load feedback circuit
03/05/2014CN101997413B Power supply converter with synchronous rectifier and control method for synchronous rectifier
03/05/2014CN101800473B Switch pressure stabilizing system
03/05/2014CN101523710B Universal power converter
03/04/2014US8665621 Power supply with open-loop protection and short-circuit protection
03/04/2014US8665620 Variable frequency timing circuit for a power supply control circuit
03/04/2014US8665616 Near zero current-ripple inversion or rectification circuits
03/04/2014US8665615 Method and apparatus for increasing the power capability of a power supply
03/04/2014US8665614 Control method and device for switching power supplies having more than one control mode
03/04/2014US8665613 Switched mode power converter and method of operation thereof
03/04/2014US8665612 Constant current controller
03/04/2014US8665611 Controller for a resonant switched-mode power converter
03/04/2014US8665610 Modified zero voltage transition (ZVT) full bridge converter and photovoltaic (PV) array using the same
03/04/2014US8664926 DC-DC converter and power supplying system using a DC-DC converter
03/04/2014US8664922 Snubber circuit
02/2014
02/27/2014WO2014031300A1 Dc-dc converter using hysteretic control and associated methods
02/27/2014WO2014031023A1 Method for producing a direct current flowing in a power supply circuit of a load
02/27/2014WO2014030499A1 Dc-dc converter apparatus, and electric power conversion apparatus
02/27/2014WO2014030494A1 Electric power conversion apparatus
02/27/2014US20140056037 Control circuit and interleaved power supply including that control circuit
02/27/2014US20140056035 Method and arrangement for improved operability of a high temperature fuel cell system
02/27/2014US20140056034 Dc/dc converter, electronic apparatus having the same and dc/dc conversion method thereof
02/27/2014US20140056033 Electronic apparatus and power controlling method thereof
02/27/2014US20140056032 High-efficiency High Step-up Ratio Direct CurrentConverter with Interleaved Soft-switchingMechanism
02/27/2014US20140055194 Low Noise Charge Pump Method and Apparatus
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