Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
06/2003
06/11/2003EP0860048B1 An ac-dc power supply
06/10/2003USRE38140 Dual interleaved DC to DC switching circuits realized in an integrated circuit
06/10/2003US6577518 Integrated controller for synchronous rectifiers
06/10/2003US6577516 Method and apparatus for optimizing the output power of a rectifier
06/10/2003US6577515 Asymmetric power supply including a fast response converter
06/10/2003US6577514 Charge pump with constant boosted output voltage
06/10/2003US6577511 Switching power supply unit and electronic apparatus using the same
06/10/2003US6577510 Switching power supply
06/10/2003US6577509 Semiconductor circuit and switch-mode power supply
06/10/2003US6577173 Inductive load driving circuit
06/10/2003US6577162 Step-up circuit
06/10/2003US6577111 Controlling magnetizing current in a transformer by comparing the difference between first and second positive peak values of the magnetizing current with a threshold
06/10/2003US6577110 DC-to-DC converter with constant ripple current regulation for continuous and discontinuous conduction mode operation
06/10/2003US6577109 Interleaved power converters incorporating bang-bang control
06/10/2003CA2313138C Power circuit
06/05/2003WO2003047105A1 Output driver comprising an improved control circuit
06/05/2003WO2003047103A1 Switch mode power supply and driving method for efficient rf amplification
06/05/2003WO2003047081A1 Apparaus and method for control and driving bjt used as synchronous rectifier
06/05/2003WO2003047079A2 Power converters with primary-only feedback
06/05/2003WO2003047078A2 Integrated dc/dc converter
06/05/2003WO2003047058A1 Ion generator
06/05/2003WO2003003552A3 Bidirectional flyback switch mode power supply (smps)
06/05/2003WO2003003551A3 Power converter
06/05/2003WO2002099956A3 Micro power supply with integrated charging capability
06/05/2003WO2002063770A3 Switching fet circuit
06/05/2003WO2002063765A3 Integrated fet and driver
06/05/2003US20030103366 Dual input AC/DC to programmable DC output converter
06/05/2003US20030103362 Constant voltage reset circuit for forward converter
06/05/2003US20030103360 Switching power supply
06/05/2003US20030102850 System and method for detection of zero current condition
06/05/2003US20030102849 Multi-phase switching regulator
06/05/2003US20030102822 Circuit arrangement for generating a high voltage
06/05/2003US20030102818 High power factor electronic ballast with lossless switching
06/05/2003US20030102775 Piezoelectric transformer and strobe apparatus having the piezoelectric transformer
06/04/2003EP1317052A2 Switching power supply
06/04/2003EP1316138A1 Current mode switching controller
06/04/2003EP0913026B1 Single ended forward dc-to-dc converter providing enhanced resetting for synchronous rectification
06/04/2003CN2554861Y AC/DC switch converter with high-efficient and low no-loud loss
06/04/2003CN1421997A Semiconductor boosted circuit of transistor without breakdown voltage being two times of power supply voltage
06/04/2003CN1421986A Switch type power source
06/04/2003CN1421985A Dc/dc转换器控制电路和dc/dc转换器系统 Dc / dc converter control circuit and a dc / dc converter system
06/04/2003CN1421930A Semiconductor integrated circuit apparatus and producing method thereof
06/04/2003CN1421838A Continuous pulse generator of plasma display panel
06/03/2003US6574125 DC-DC converter and bi-directional DC-DC converter and method of controlling the same
06/03/2003US6574124 Plural power converters with individual conditioned error signals shared on a current sharing bus
06/03/2003US6574122 Low-noise switching power supply
06/03/2003US6574081 DC-DC converter
06/03/2003US6573780 Four-phase charge pump with lower peak current
06/03/2003US6573695 High-efficiency power supply
06/03/2003US6573692 Device for regulating the current passing through an inductive element, in particular an solenoid valve
05/2003
05/30/2003WO2003044954A1 Circuit arrangement for the reliable switching of electrical circuits
05/30/2003WO2003044937A2 Dc-to-dc converters
05/30/2003WO2003044936A2 Dc-to-dc converters
05/30/2003WO2003044935A1 Full wave dc/dc converter
05/30/2003WO2003044934A2 Dc/dc conversion system
05/30/2003WO2003044933A1 A parallel feed-forward compensating type power factor correction circuit for a three-phase power source
05/30/2003WO2003044932A2 Switched mode power amplifier
05/30/2003WO2003017455A3 Thermally compensated current sensing of intrinsic power converter elements
05/30/2003WO2002058217A3 A single level time-shifted reference dc/dc converter
05/30/2003CA2467679A1 Circuit arrangement for the reliable switching of electrical circuits
05/29/2003US20030099122 Generator for sustaining pulse of plasma display panel
05/29/2003US20030099119 Switching power supply
05/29/2003US20030099071 Circuit system for discharging a buffer capacitor used for supplying high voltage to a control unit, in particular a control unit for actuating a piezoelectric output stage
05/29/2003US20030098737 Semiconductor booster circuit requiring no transistor elements having a breakdown voltage of substantially twice the power supply voltage
05/29/2003US20030098736 Semiconductor integrated circuit device and method of manufacturing the same
05/29/2003US20030098678 DC/DC converter control circuit and DC/DC converter system
05/29/2003US20030098677 Method and circuit for limiting a pumped voltage
05/29/2003US20030098676 Method and circuit for limiting a pumped voltage
05/29/2003US20030098675 Method and circuit for limiting a pumped voltage
05/29/2003US20030098674 Wideband regulator with fast transient suppression circuitry
05/29/2003US20030098650 Ion generating apparatus
05/28/2003EP1315181A1 Transformer
05/28/2003EP1315169A2 Booster circuit for semiconductor device
05/28/2003EP1314238A2 Multiple output dynamically regulated charge pump power converter
05/28/2003EP1314081A2 Transient suppression power regulation
05/28/2003EP1161789B1 Clamping circuit and method for synchronous rectification
05/28/2003EP1125178A4 Method and apparatus for digital voltage regulation
05/28/2003EP1062523B1 Power supply circuit
05/28/2003EP0813751B1 Series capacitor charge pump
05/28/2003EP0801841B1 Full wave buck boost power converter with buck power converter properties
05/28/2003EP0701737B1 Method of forming a plurality of transistors in a substrate.
05/28/2003CN1420980A Universal input to DC output conversion circuitry
05/28/2003CN1420613A Method and apparatus for testing output inductor current in DC/DC power converter
05/28/2003CN1420612A 电源 Power supply
05/28/2003CN1420611A Three-phase power supply parallel feedforward compensation power factor correction circuit
05/28/2003CN1420505A 变压器 Transformer
05/28/2003CN1110117C Non-contact power transmitting device
05/27/2003US6570807 Intermediate boosted array voltage
05/27/2003US6570435 Integrated circuit with current limited charge pump and method
05/27/2003US6570372 Constant-current/constant-voltage current supply
05/27/2003US6570369 Regulator with integratable pulse drive signal
05/27/2003US6570368 Switching power supply device for suppressing an increase in ripple output voltage
05/27/2003US6570268 Synchronous rectifier drive circuit and power supply including same
05/27/2003US6570128 Generator for arc welding machines
05/22/2003WO2003043170A2 Redox flow battery system and method of operating it
05/22/2003WO2003043166A1 Leading edge modulator for post regulation of multiple output voltage power supplies
05/22/2003WO2003043165A2 Half-bridge isolation stage topologies
05/22/2003US20030095422 Switching power supply
05/22/2003US20030095421 Power factor correction circuit
05/22/2003US20030095420 Resonant power supply circuit