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Class Information
Number: 323/286
Name: Electricity: power supply or regulation systems > Output level responsive > Using a three or more terminal semiconductive device as the final control device > Switched (e.g., switching regulators) > With plural condition sensing > Including filter sensing
Description: Subject matter wherein the additional condition is a condition of a filter used to smooth the output of the switched final control device.

Sub-classes under this class:

Class Number Class Name Patents
323/287 In flyback path 100

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8704503 Single ended primary inductor converter with over-current and/or over-voltage protection and method for controlling the same Apr. 22, 2014
8686705 Current mode synchronous rectification DC/DC converter Apr. 1, 2014
8674631 Power conversion apparatus and method of controlling capacitor voltage of power conversion apparatus Mar. 18, 2014
8665611 Controller for a resonant switched-mode power converter Mar. 4, 2014
8659277 Current providing method and current providing system Feb. 25, 2014
8653801 Wide input voltage range power factor correction circuit Feb. 18, 2014
8649194 Electro-magnetic interference reduction circuit for power converters and method thereof Feb. 11, 2014
8629666 Dynamic control parameter adjustment in a power supply Jan. 14, 2014
8604768 Control loop for switching power converters Dec. 10, 2013
8598856 Power supply switching and discontinuous power supply mode Dec. 3, 2013
8587152 Sequential shunt regulator with analog fill control Nov. 19, 2013
8552893 Control system using nonlinear delta-sigma modulator with switching period error compensation Oct. 8, 2013
8541996 Power control device, power supply device, and power control method Sep. 24, 2013
8536849 Systems and methods for DC to DC conversion with peak and valley current detection control Sep. 17, 2013
8525501 Power factor correction device simultaneously applying two trigger schemes Sep. 3, 2013
8525505 PWM controller and control method for a DC-DC voltage converter Sep. 3, 2013
8513933 DC-DC converter with low side switch control Aug. 20, 2013
8502509 Power conversion system and power control method for reducing cross regulation effect Aug. 6, 2013
8493045 Voltage regulator configuration Jul. 23, 2013
8487593 System and method for detection and compensation of aggressive output filters for switched mode power supplies Jul. 16, 2013
8476881 Power control device, power supply device, and power control method Jul. 2, 2013
8456868 Controller for a resonant switched-mode power converter Jun. 4, 2013
8450988 Systems and methods for controlling inductive energy in DC-DC converters May. 28, 2013
8446137 Switching voltage regulator and related feed-forward control method May. 21, 2013
8446132 Methods and apparatuses for electrical pulse energy capture May. 21, 2013
8441238 Zero current detecting circuit and related synchronous switching power converter May. 14, 2013
8432141 Input voltage control circuit using two differential amplifiers to regulate operating voltage Apr. 30, 2013
8427127 Control loop for switching power converters Apr. 23, 2013
8428709 Current control for electrotransport drug delivery Apr. 23, 2013
8410768 Switch-mode power supply having reduced audible noise Apr. 2, 2013
8395369 Buck converter with delay circuit Mar. 12, 2013
8368371 Method for controlling an interleaving multiphase converter and corresponding controller Feb. 5, 2013
8344717 Switching regulator with balanced control configuration with filtering and referencing to eliminate compensation Jan. 1, 2013
8305059 Voltage regulator circuit Nov. 6, 2012
8305065 Power supplying apparatus including a pulse-width modulation oscillator and smoothing filters Nov. 6, 2012
8299770 Threshold voltage monitoring and control in synchronous power converters Oct. 30, 2012
8258767 Power conversion system and power control method for reducing cross regulation effect Sep. 4, 2012
8253397 Switching converters with efficiently-controlled mode transitions Aug. 28, 2012
8159205 Inductor current measurement for DC to DC converters Apr. 17, 2012
8154268 Switching regulator with balanced control configuration with filtering and referencing to eliminate compensation Apr. 10, 2012
8143874 Switch-mode power supply (SMPS) controller integrated circuit determining operating characteristics from filter component information Mar. 27, 2012
8138739 Circuits and methods for improving transient response of hysteretic DC-DC converters Mar. 20, 2012
8093882 Low heat dissipation I/O module using direct drive buck converter Jan. 10, 2012
8085024 Self-tuning digital current estimator for low-power switching converters Dec. 27, 2011
8076918 Multi-phase driving circuit with phase adjusting function Dec. 13, 2011
8049482 Multi-threshold multi-gain active transient response circuit and method for digital multiphase pulse width modulated regulators Nov. 1, 2011
8049478 Switching regulator and method for eliminating beat oscillation Nov. 1, 2011
8049363 Motor drive circuit Nov. 1, 2011
8018218 Controller of DC-DC converter with input voltage and output voltage sensing from the phase node Sep. 13, 2011
7999525 Voltage regulator and method of manufacturing the same Aug. 16, 2011

1 2 3 4

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