Inventor · disambiguated record
Alexander Mednik
Also filed as: MEDNIK ALEXANDER
33 granted patents·6 pending applications·935 citations·filing 1997–2022
97Inventor score
Top patents by PatentIndex Score
39 records- 0198US6958920B2Switching power converter and method of controlling output voltage thereof using predictive sensing of magnetic fluxSUPERTEX INC·Filed 2004·Granted Oct 25, 2005·258 cites·31 claims
- 0297US9661702B2Constant-current controller with square-wave input current shapingMICROCHIP TECH INC·Filed 2016·Granted May 23, 2017·35 cites·21 claims
- 0396US7561452B2Transformer-isolated flyback converters and methods for regulating output current thereofSUPERTEX INC·Filed 2006·Granted Jul 14, 2009·68 cites·20 claims
- 0496US6940733B2Optimal control of wide conversion ratio switching convertersSUPERTEX INC·Filed 2003·Granted Sep 6, 2005·173 cites·41 claims
- 0596US6781351B2AC/DC cascaded power converters having high DC conversion ratio and improved AC line harmonicsSUPERTEX INC·Filed 2002·Granted Aug 24, 2004·137 cites·20 claims
- 0695US7723926B2Shunting type PWM dimming circuit for individually controlling brightness of series connected LEDS operated at constant current and method thereforSUPERTEX INC·Filed 2007·Granted May 25, 2010·49 cites·8 claims
- 0794US10381918B1Multi-phase parallelable constant on time buck controller with phase interleaving ensured by ripple injectionMICROCHIP TECH INC·Filed 2018·Granted Aug 13, 2019·14 cites·19 claims
- 0894US10284095B1Method and apparatus for phase current balancing in multi-phase constant on-time buck converterMICROCHIP TECH INC·Filed 2018·Granted May 7, 2019·13 cites·17 claims
- 0993US8106597B2High efficiency boost LED driver with outputMEDNIK ALEXANDER·Filed 2009·Granted Jan 31, 2012·37 cites·20 claims
- 1088US8461777B1Protection from short cathode condition in LED driver and method thereforMEDNIK ALEXANDER·Filed 2010·Granted Jun 11, 2013·10 cites·14 claims
- 1188US8358090B1Dimmer circuit for transformer—isolated LED driver and method thereforSUPERTEX INC·Filed 2010·Granted Jan 22, 2013·10 cites·22 claims
- 1287US7863836B2Control circuit and method for regulating average inductor current in a switching converterSUPERTEX INC·Filed 2008·Granted Jan 4, 2011·15 cites·18 claims
- 1386US10348205B1Coupled-inductor cascaded buck converter with fast transient responseMICROCHIP TECH INC·Filed 2018·Granted Jul 9, 2019·4 cites·17 claims
- 1485US9602015B2Communication method and apparatus using modulation of post-conduction oscillation frequency in switching convertersMICROCHIP TECH INC·Filed 2015·Granted Mar 21, 2017·5 cites·21 claims
- 1584US8456106B2LED driver with extended dimming range and method for achieving the sameMEDNIK ALEXANDER·Filed 2009·Granted Jun 4, 2013·11 cites·14 claims
- 1683US8907580B2Circuit and method for flicker suppression in light emitting diodes (LEDs)MEDNIK ALEXANDER·Filed 2013·Granted Dec 9, 2014·6 cites·9 claims
- 1777US7538534B2Method and apparatus for controlling output current of a cascaded DC/DC converterSUPENTEX INC·Filed 2005·Granted May 26, 2009·17 cites·25 claims
- 1875US8896219B1Dimming circuit and methodMEDNIK ALEXANDER·Filed 2013·Granted Nov 25, 2014·3 cites·15 claims
- 1974US9698689B2Zero-voltage switching buck converter and control circuit thereforMICROCHIP TECH INC·Filed 2016·Granted Jul 4, 2017·2 cites·12 claims
- 2074US5841268AMulti-resonant soft switching snubber network for DC-to-DC converterPOWER ARCHITECTS CORP·Filed 1997·Granted Nov 24, 1998·54 cites·18 claims
- 2172US9590613B2Circuit and method for active crosstalk reduction in multiple-channel power supply controllersMICROCHIP TECH INC·Filed 2015·Granted Mar 7, 2017·2 cites·10 claims
- 2272US8587278B2LED driver with low harmonic distortion of input AC current and methods of controlling the sameMEDNIK ALEXANDER·Filed 2011·Granted Nov 19, 2013·3 cites·5 claims
- 2370US9337725B2Output current control in a boundary conduction mode buck converterMICROCHIP TECH INC·Filed 2013·Granted May 10, 2016·2 cites·15 claims
- 2468US9658276B2Circuit and method for detecting short circuit failure of a switching transistorMICROCHIP TECH INC·Filed 2015·Granted May 23, 2017·1 cites·10 claims
- 2566US9041313B2Low dropout light emitting diode (LED) ballast circuit and method thereforMICROCHIP TECH INC·Filed 2013·Granted May 26, 2015·1 cites·10 claims
- 2664US9621021B2Auxiliary power supplies in parallel with a switch of a switching regulatorSUPERTEX INC·Filed 2013·Granted Apr 11, 2017·2 cites·28 claims
- 2759US12431816B1Secondary-side flyback converter controllerMICROCHIP TECH INC·Filed 2022·Granted Sep 30, 2025·0 cites·24 claims
- 2857US10778080B1Self-biased non-isolated low-power switching regulatorMICROCHIP TECH INC·Filed 2019·Granted Sep 15, 2020·0 cites·21 claims
- 2956US9474118B2Cascode-type dimming switch using a bipolar junction transistor for driving a string of light emitting diodesMICROCHIP TECH INC·Filed 2014·Granted Oct 18, 2016·0 cites·20 claims
- 3055US8130519B2Led driver with low harmonic distortion of input AC current and methods of controlling the sameMEDNIK ALEXANDER·Filed 2008·Granted Mar 6, 2012·3 cites·16 claims
- 3155US2009179575A1Shunting type pwm dimming circuit for individually controlling brightness of series connected leds operated at constant current and method thereforMEDNIK ALEXANDER·Filed 2009·Application pending·0 cites
- 3254US11444535B2DC-DC converter with improved line transient rejectionMICROCHIP TECH INC·Filed 2021·Granted Sep 13, 2022·0 cites·21 claims
- 3348US10103635B2Buck-boost controller achieving high power factor and valley switchingMICROCHIP TECH INC·Filed 2017·Granted Oct 16, 2018·0 cites·19 claims
- 3447US9866101B2Auxiliary power supply for a control circuit of a switching regulatorMICROCHIP TECH INC·Filed 2015·Granted Jan 9, 2018·0 cites·20 claims
- 3545US2016212812A9Led driver with extended dimming range and method for achieving the sameMICROCHIP TECH INC·Filed 2013·Application pending·0 cites
- 3644US2013207567A1Boost converter assisted valley-fill power factor correction circuitMEDNIK ALEXANDER·Filed 2012·Application pending·0 cites
- 3743US2021367519A1Method and apparatus for phase current balancing in a multi-phase dc-to-dc converterMICROCHIP TECH INC·Filed 2020·Application pending·0 cites
- 3841US2014347021A1Sampling negative coil current in a switching power converter and method thereofMEDNIK ALEXANDER·Filed 2014·Application pending·0 cites
- 3934US2004264216A1Switching power converter and method of controlling output voltage thereof using predictive sensing of magnetic fluxFiled 2003·Application pending·0 cites
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