1
Christopher B Umminger, Randy G Flatness: Circuits and methods for synchronizing non-constant frequency switching regulators with a phase locked loop. Linear Technology Corporation, Mark D Rowland, Michael J DeHaemer Jr, Fish & Neave, November 5, 2002: US06476589 (99 worldwide citation)

Methods for synchronizing non-constant frequency switching regulators with a phase locked loop are disclosed. The methods enable non-constant frequency switching regulators to be synchronized with a phase locked loop to achieve constant frequency operation in steady state while retaining the advanta ...


2
Milton E Wilcox, Christopher B Umminger: Synchronous switching regulator which employs switch voltage-drop for current sensing. Linear Technology Corporation, Robert W Morris, Garry J Tuma, Fish & Neave, December 8, 1998: US05847554 (73 worldwide citation)

Synchronous switching regulator circuits with voltage-drop sensing circuitry are presented in which the current sensing element typically in series with a load is eliminated, resulting in reduced dissipative losses and less costly manufacture. Voltage drops are measured across the regulator's synchr ...


3
Christopher B Umminger, Randy G Flatness: Circuits and methods for synchronizing non-constant frequency switching regulators with a phase locked loop. Linear Technology Corporation, Mark D Rowland, Fish & Neave, August 10, 2004: US06774611 (12 worldwide citation)

Methods for synchronizing non-constant frequency switching regulators with a phase locked loop are disclosed. The methods enable non-constant frequency switching regulators to be synchronized with a phase locked loop to achieve constant frequency operation in steady state while retaining the advanta ...


4
Christopher B Umminger: Circuits and methods for providing multiple phase switching regulators which employ the input capacitor voltage signal for current sensing. Linear Technology Corporation, Ropes & Gray, Robert W Morris, Jeffrey D Mullen, September 6, 2005: US06940261 (12 worldwide citation)

Circuits and methods to correct the load sharing in multiphase switching regulators are provided. Using these systems and methods, the input capacitor voltage signal can be sampled and used for current sensing of the regulator's stages. Differences in the amount of output current for a converter sta ...


5
Christopher B Umminger, Randy G Flatness: Circuits and methods for synchronizing non-constant frequency switching regulators with a phase locked loop. Linear Technology Corporation, Fish & Neave IP Group Ropes & Gray, Mark D Rowland, Chi Hsin Chang, March 28, 2006: US07019497 (8 worldwide citation)

Methods for synchronizing non-constant frequency switching regulators with a phase locked loop are disclosed. The methods enable non-constant frequency switching regulators to be synchronized with a phase locked loop to achieve constant frequency operation in steady state while retaining the advanta ...


6
Christopher B Umminger: Circuits and methods for providing multiple phase switching regulators which employ the input capacitor voltage signal for current sensing. Linear Technology Corporation, Fish & Neave IP Group of Ropes & Gray, Robert W Morris, Jeffrey D Mullen, January 16, 2007: US07164258 (7 worldwide citation)

Circuits and methods to correct the load sharing in multiphase switching regulators are provided. Using these systems and methods, the input capacitor voltage signal can be sampled and used for current sensing of the regulator's stages. Differences in the amount of output current for a converter sta ...


7
Christopher B Umminger, Randy G Flatness: Circuits and methods for synchronizing non-constant frequency switching regulators with a phase locked loop. Linear Technology Corporation, Fish & Neave, January 6, 2005: US20050001602-A1

Methods for synchronizing non-constant frequency switching regulators with a phase locked loop are disclosed. The methods enable non-constant frequency switching regulators to be synchronized with a phase locked loop to achieve constant frequency operation in steady state while retaining the advanta ...


8
Christopher B Umminger: Circuits and methods for providing multiple phase switching regulators which employ the input capacitor voltage signal for current sensing. Linear Technology Corporation, Fish & Neave Ip Group, Ropes & Gray, March 29, 2007: US20070069705-A1

Circuits and methods to correct the load sharing in multiphase switching regulators are provided. Using these systems and methods, the input capacitor voltage signal can be sampled and used for current sensing of the regulator's stages. Differences in the amount of output current for a converter sta ...


9
Christopher B Umminger, Randy G Flatness: Circuits and methods for synchronizing non-constant frequency switching regulators with a phase locked loop. Linear Technology Corporation, Fish & Neave, October 10, 2002: US20020145409-A1

Methods for synchronizing non-constant frequency switching regulators with a phase locked loop are disclosed. The methods enable non-constant frequency switching regulators to be synchronized with a phase locked loop to achieve constant frequency operation in steady state while retaining the advanta ...


10
Christopher B Umminger: Circuits and methods for providing multiple phase switching regulators which employ the input capacitor voltage signal for current sensing. Linear Technology, Fish & Neave Ip Group, Ropes & Gray, November 3, 2005: US20050242798-A1

Circuits and methods to correct the load sharing in multiphase switching regulators are provided. Using these systems and methods, the input capacitor voltage signal can be sampled and used for current sensing of the regulator's stages. Differences in the amount of output current for a converter sta ...