LL

Leif Lund

PI Power Integrations: 81 patents #4 of 206Top 2%
📍 San Jose, CA: #395 of 32,062 inventorsTop 2%
🗺 California: #3,334 of 386,348 inventorsTop 1%
Overall (All Time): #22,242 of 4,157,543Top 1%
81
Patents All Time

Issued Patents All Time

Showing 26–50 of 81 patents

Patent #TitleCo-InventorsDate
8441309 Temperature independent reference circuit David Kung 2013-05-14
8427848 Variable time clamp for a power supply controller 2013-04-23
8374006 Method and apparatus to regulate an output voltage of a power converter at light/no load conditions Alex B. Djenguerian, William M. Polivka 2013-02-12
8299772 Method and apparatus for implementing slew rate control using bypass capacitor David Kung 2012-10-30
8278994 Temperature independent reference circuit David Kung 2012-10-02
8248053 Off-line converter with digital control Balu Balakrishnan, Alex B. Djenguerian 2012-08-21
8222882 Power supply controller with input voltage compensation for efficiency and maximum power output Balu Balakrishnan, Alex B. Djenguerian 2012-07-17
8194421 Method and apparatus for implementing an unregulated dormant mode with an event counter in a power converter Alex B. Djenguerian 2012-06-05
8184413 Fault condition protection Balu Balakrishnan, Alex B. Djenguerian 2012-05-22
8159843 Method and apparatus to regulate an output voltage of a power converter at light/no load conditions Alex B. Djenguerian, William M. Polivka 2012-04-17
8125265 Temperature independent reference circuit David Kung 2012-02-28
8115465 Method and apparatus for a high voltage power supply circuit Chan Woong Park 2012-02-14
8063622 Method and apparatus for implementing slew rate control using bypass capacitor David Kung 2011-11-22
8008903 Method and apparatus for regulating a diode conduction duty cycle Chan Woong Park 2011-08-30
7999606 Temperature independent reference circuit David Kung 2011-08-16
7995359 Method and apparatus for implementing an unregulated dormant mode with an event counter in a power converter Alex B. Djenguerian 2011-08-09
7974112 Off-line converter with digital control Balu Balakrishnan, Alex B. Djenguerian 2011-07-05
7936159 Method and apparatus for a high voltage power supply circuit Chan Woong Park 2011-05-03
7893754 Temperature independent reference circuit David Kung 2011-02-22
7881027 Fault condition protection Balu Balakrishnan, Alex B. Djenguerian 2011-02-01
7876587 Method and apparatus providing a multi-function terminal for a power supply controller Balu Balakrishnan, Alex B. Djenguerian 2011-01-25
7773350 Fault condition protection Balu Balakrishnan, Alex B. Djenguerian 2010-08-10
7663852 Output feedback and under-voltage detection system Balu Balakrishnan, Alex B. Djenguerian 2010-02-16
7596005 Method and apparatus providing a multi-function terminal for a power supply controller Balu Balakrishnan, Alex B. Djenguerian 2009-09-29
7477534 Off-line converter with digital control Balu Balakrishnan, Alex B. Djenguerian 2009-01-13