LL

Leif Lund

PI Power Integrations: 81 patents #4 of 206Top 2%
Overall (All Time): #22,242 of 4,157,543Top 1%
81
Patents All Time

Issued Patents All Time

Showing 25 most recent of 81 patents

Patent #TitleCo-InventorsDate
10284100 Method and apparatus for implementing an unregulated dormant mode with an event counter in a power converter Alex B. Djenguerian 2019-05-07
10243471 Power converter controller with multiple power sources Alex B. Djenguerian, Sheng Liu 2019-03-26
10135343 Load responsive jitter Alex B. Djenguerian, Peter Vaughan 2018-11-20
10079544 Method and apparatus for implementing an unregulated dormant mode with an event counter in a power converter Alex B. Djenguerian 2018-09-18
9985542 Controller IC with zero-crossing detector and capacitor discharge switching element David Kung 2018-05-29
9979296 Load responsive jitter Alex B. Djenguerian, Peter Vaughan 2018-05-22
9774268 Method and apparatus for implementing an unregulated dormant mode with an event counter in a power converter Alex B. Djenguerian 2017-09-26
9543821 MOSFET driver with pulse timing pattern fault detection and adaptive safe operating area mode of operation Arthur B. Odell, Sujit Banerjee 2017-01-10
9490706 Power supply controller with input voltage compensation for efficiency and maximum power output Balu Balakrishnan, Alex B. Djenguerian 2016-11-08
9484822 Method and apparatus for implementing an unregulated dormant mode with an event counter in a power converter Alex B. Djenguerian 2016-11-01
9455621 Controller IC with zero-crossing detector and capacitor discharge switching element David Kung 2016-09-27
9450478 Load responsive jitter Alex B. Djenguerian, Peter Vaughan 2016-09-20
9331587 Power converter controller with multiple power sources Alex B. Djenguerian, Sheng Liu 2016-05-03
9276479 Receive circuit for use in a power converter Alex B. Djenguerian, Sheng Liu 2016-03-01
9166575 Low threshold voltage comparator Balu Balakrishnan, Alex B. Djenguerian 2015-10-20
8970290 Method and apparatus for implementing slew rate control using bypass capacitor David Kung 2015-03-03
8913407 Method and apparatus to regulate an output voltage of a power converter at light/no load conditions Alex B. Djenguerian, William M. Polivka 2014-12-16
8908395 Method and apparatus for implementing an unregulated dormant mode with an event counter in a power converter Alex B. Djenguerian 2014-12-09
8737091 Variable time clamp for a power supply controller 2014-05-27
8729882 Method and apparatus for implementing slew rate control using bypass capacitor David Kung 2014-05-20
8710817 Off-line converter with digital control Balu Balakrishnan, Alex B. Djenguerian 2014-04-29
8669751 Power supply controller with input voltage compensation for efficiency and maximum power output Balu Balakrishnan, Alex B. Djenguerian 2014-03-11
8542468 Fault condition protection Balu Balakrishnan, Alex B. Djenguerian 2013-09-24
8498132 Method and apparatus for regulating a diode conduction duty cycle Chan Woong Park 2013-07-30
8482938 Method and apparatus providing a multi-function terminal for a power supply controller Balu Balakrishnan, Alex B. Djenguerian 2013-07-09