Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
11/2006
11/30/2006DE102005025127A1 DC load e.g. electronic commutating DC motor, voltage adjusting method, involves providing smaller supply voltage which superimposes higher supply voltage such that resulting load voltage does not fall below smaller supply voltage
11/29/2006EP1727266A2 Switching power supply unit and voltage converting method
11/29/2006EP1727265A1 Dc-dc converter
11/29/2006EP1727264A1 Power supply apparatus
11/29/2006EP1727146A1 Charge-pump type voltage-boosting device with reduced ripple, in particular for non-volatile flash memories
11/29/2006EP1726086A1 Universal power supply apparatus
11/29/2006EP1726085A1 Method for operating a supply unit for a driver circuit, and supply unit for a driver circuit
11/29/2006EP1297611B1 Dc/dc converter
11/29/2006CN2842865Y Highvoltage resistance potential divider
11/29/2006CN2842864Y One-drive multi-purpose low voltage constant temperature power supply device
11/29/2006CN1871762A Switching-bursting method and apparatus for reducing standby power and improving load regulation in a DC-DC converter
11/29/2006CN1871761A Apparatus for noise current reduction in power converters
11/29/2006CN1871760A 电压转换器 Voltage converter
11/29/2006CN1870409A Apparatus for generating high-voltage and method thereof
11/29/2006CN1870408A Multi-channel output DC-DC inverter
11/29/2006CN1870407A Method for regulating an output signal and circuit therefor
11/29/2006CN1870406A Secondary side controller and method therefor
11/29/2006CN1870405A Multiple DC power generator
11/29/2006CN1870366A Power supply device for cathode-anode of overflow laser and method for power supplying to cathod-anode of multi-channel laser using the device
11/29/2006CN1870100A Power supply device and plasma display device including power supply device
11/29/2006CN1287510C Flyback type conversion device having synchronous rectifier
11/28/2006US7142440 Ripple-current reduction for transformers
11/28/2006US7142438 Extended output range switching power supply with constant power feature
11/28/2006US7142437 Method and apparatus for output voltage regulation in primary control switched mode power supplies
11/28/2006US7142436 Reliable bi-directional driving circuit for wide supply voltage and output range
11/28/2006US7142401 Detecting overcurrents in a switching regulator using a voltage dependent reference
11/28/2006US7142041 Controlled active shutdown of charge pump
11/28/2006US7142040 Stabilized power supply circuit
11/28/2006US7142039 Regulated charge pump with digital resistance control
11/28/2006US7142020 Resonant logic and the implementation of low power digital integrated circuits
11/28/2006US7141958 Power supply apparatus and power supply control device
11/28/2006US7141896 Pulse width modulation signal generator
11/28/2006US7141895 Circuit arrangement comprising a power supply unit
11/28/2006CA2420405C Power circuit for a plasma tv display, plasma television set containing said circuit and respective powering method
11/23/2006WO2006124844A2 Apparatus and method to synchronize switching frequencies of multiple power regulators
11/23/2006WO2006123905A1 Synchronous rectifier type series resonant converter for operating in intermittence mode
11/23/2006WO2006123843A2 Voltage control of upconverter in a motored vehicle drive
11/23/2006WO2006123738A1 Dc/dc converter
11/23/2006US20060262576 AC-DC converters
11/23/2006US20060262575 Power converter with isolated and regulation stages
11/23/2006US20060262574 DC high voltage to DC low voltage converter
11/23/2006US20060262573 On-die coupled inductor structures for improving quality factor
11/23/2006US20060261798 Apparatus and method to synchronize switching frequencies of multiple power regulators
11/23/2006DE202006014633U1 Power supply device for airplane, has control unit that adjusts current flow to voltage gradient, and includes active unit with switchable unit that is formed by negative temperature coefficient-resistor
11/23/2006DE102005023360A1 Gleichspannungswandlervorrichtung und Verfahren zum Betreiben des Gleichspannungswandlers eines Kraftfahrzeugbordnetzes DC-DC converter apparatus and method of operating the DC-DC converter of a motor vehicle on-board network
11/23/2006DE102005023290A1 Bidirektionaler Batteriewechselrichter Bidirectional battery inverter
11/22/2006EP1724910A2 Supply of loads having different powers by a DC-DC converter
11/22/2006EP1724909A2 A Process for Operating a Switching Power Supply
11/22/2006EP1724908A1 Circuit and method for reducing overshoot in a switching regulator
11/22/2006EP1724784A1 High-voltage switch with low output ripple for non-volatile floating-gate memories
11/22/2006EP1724649A2 Power supply apparatus and electronic equipment
11/22/2006EP1723483A2 Switching power supply controller with built-in supply switching
11/22/2006EP1298780B1 X-ray generator and x-ray ct apparatus comprising the same
11/22/2006CN2840541Y Incoming call displaying telephone set needed noexternal electric supply and battery
11/22/2006CN2840505Y 开关电源模块 Switching power supply module
11/22/2006CN2840504Y Original side regulating voltage secondary rectifying single-phase electroplating DC power source single-chip machine constant-current apparatus
11/22/2006CN2840503Y Driver package with off first and on afterwards detection circuit
11/22/2006CN2840474Y Electric power supply device for mobile electronic products
11/22/2006CN1868110A 功率变换器 Power converter
11/22/2006CN1868109A Total feed forward switching power supply control
11/22/2006CN1868108A 开关模式电源 Switch mode power supply
11/22/2006CN1868107A 升压变换器 Boost converter
11/22/2006CN1866718A Full-bridge soft switching inverter and driving method thereof
11/22/2006CN1866713A Three-level zero-voltage switch DC convertor and control method thereof
11/22/2006CN1866712A High-power high-precision switch linear combined manostat
11/22/2006CN1866711A Constant-voltage circuit, semiconductor apparatus including constant-voltage circuit, and control method of constant-voltage circuit
11/22/2006CN1866710A Voltage detecting circuit and current detecting circuit
11/22/2006CN1866709A Light emitting diode drive circuit
11/22/2006CN1866708A Switchable voltage converter
11/22/2006CN1866707A Charge pump type booster circuit and antenna switch
11/22/2006CN1866706A 电子电路 Electronic circuit
11/22/2006CN1866705A Apparatus for supplying power source
11/22/2006CN1866704A Dual-tube dual-forward-excitation boosting type single-stage power factor correction circuit
11/22/2006CN1866669A Two-way multi-level soft switch DC/DC for superconducting magnetic energy storage and its current side phase shift control method
11/22/2006CN1286259C Switch power circuit
11/22/2006CN1286257C 电源供应装置 Power supply means
11/22/2006CN1286256C Semiconductor device
11/21/2006US7139181 Power converter having temperature compensated output power
11/21/2006US7139179 Switching mode power converter having secondary side bias generating and driving circuit to provide synchronous rectification and active clamp
11/21/2006US7138994 Energy recovering circuit with boosting voltage-up and energy efficient method using the same
11/21/2006US7138874 Two-stage amplifier
11/21/2006US7138853 Power boosting system and method
11/21/2006US7138791 Logic controlled high voltage resonant switching power supply
11/21/2006US7138790 Control device for controlling a charging switch in a switching regulator and method for controlling a charging switch
11/21/2006US7138789 Multiphase converter with zero voltage switching
11/21/2006US7138788 Switch controller for a power control system and method therefor
11/21/2006US7138731 Switching converter having a controllable load element
11/21/2006US7138730 Topologies for multiple energy sources
11/21/2006US7138698 Semiconductor device including power MOS field-effect transistor and driver circuit driving thereof
11/21/2006US7138614 Non-contact feeder system
11/16/2006WO2006121538A1 Capacitor charging methods and apparatus
11/16/2006WO2006121524A1 Methods and apparatus for dynamically reconfiguring a charge pump during output transients
11/16/2006WO2006121065A1 Dc-dc converter and power supply
11/16/2006WO2006120842A1 Switching regulator and electronic device having same
11/16/2006WO2006120741A1 Dc/dc converter
11/16/2006WO2005060570A3 Ac to dc converter circuit
11/16/2006US20060256598 Inverter device
11/16/2006US20060256596 Dc/dc-rectifier with reduced losses
11/16/2006US20060256595 Power supply for simultaneously providing operating voltages to a plurality of devices
11/16/2006US20060256592 Electronic circuit