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Class Information
Number: 323/285
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
Description: Subject matter including means for sensing a condition of the system or its load, such means being in addition to the means responsive to deviation in the output of the system.

Sub-classes under this class:

Class Number Class Name Patents
323/286 Including filter sensing 182

Patents under this class:

Patent Number Title Of Patent Date Issued
8428709 Current control for electrotransport drug delivery Apr. 23, 2013
8427128 Control circuit and method for reducing output ripple in constant on-time switching regulator Apr. 23, 2013
8427069 Current-regulated power supply with soft-start protection Apr. 23, 2013
8421428 Current trigger circuit and switching power converter using the same Apr. 16, 2013
8421426 Constant current driving device having an improved accuracy Apr. 16, 2013
8421424 Current driver circuit Apr. 16, 2013
8416594 Power converter with a controlled current source and connected in single-phase mode Apr. 9, 2013
8416590 Power supply device Apr. 9, 2013
8415933 Buck or boost DC-DC converter Apr. 9, 2013
8415932 Switching control circuit Apr. 9, 2013
8410768 Switch-mode power supply having reduced audible noise Apr. 2, 2013
8410767 Control circuit of DC-DC converter applying offset to coil current, DC-DC converter applying offset to coil current and control method of DC-DC converter Apr. 2, 2013
8410762 DC-DC converter Apr. 2, 2013
8405374 Power amplification device Mar. 26, 2013
8405373 Systems and methods for intelligently optimizing operating efficiency using variable gate drive voltage Mar. 26, 2013
8400133 Output current detection of a voltage regulator Mar. 19, 2013
8400132 Method of switching a PWM multi-phase voltage converter Mar. 19, 2013
8400129 Adaptive constant on-time switching regulator Mar. 19, 2013
8400128 Start mode in switching regulation Mar. 19, 2013
8400127 Average current regulator and driver circuit thereof and method for regulating average current Mar. 19, 2013
8395369 Buck converter with delay circuit Mar. 12, 2013
8395368 Adaptive voltage position DC-DC regulators and the method thereof Mar. 12, 2013
8390263 Soft-start circuit having a ramp-up voltage and method thereof Mar. 5, 2013
8390262 Methods and circuits for LED drivers and for PWM dimming controls Mar. 5, 2013
8384368 Power conversion apparatus and controller thereof Feb. 26, 2013
8384367 Step-down switching regulator Feb. 26, 2013
8384364 Unit inverter system Feb. 26, 2013
8379423 Power factor correction circuit and driving method thereof Feb. 19, 2013
8378656 Quasi-AC, photovoltaic module for unfolder photovoltaic inverter Feb. 19, 2013
8378647 Power supply unit and information processor Feb. 19, 2013
8373400 System and method for smoothing mode transitions in a voltage supply Feb. 12, 2013
8373397 DC-DC converter and semiconductor integrated circuit Feb. 12, 2013
8373395 Power source apparatus, control circuit, and method of controlling power source apparatus Feb. 12, 2013
8368376 Electronic device with power switch capable of regulating power dissipation Feb. 5, 2013
8362755 Current-mode control type DC-DC converter and control method therefor Jan. 29, 2013
8358118 Current mode boost converter with fixed PWM/PFM boundary Jan. 22, 2013
8358117 Hysteretic regulator with output slope detection Jan. 22, 2013
8354831 Reverse current comparator circuit and method for switching regulators Jan. 15, 2013
8351232 Power factor corrector with high power factor at low load or high mains voltage conditions Jan. 8, 2013
8351227 Switching controller for power converters Jan. 8, 2013
8350553 Reference voltage generation circuit for supplying a constant reference voltage using a linear resistance Jan. 8, 2013
8350552 Voltage reference and temperature sensor Jan. 8, 2013
8350548 Frequency control circuit and method for a non-constant frequency voltage regulator Jan. 8, 2013
8350537 Power supply transient response improving Jan. 8, 2013
8344717 Switching regulator with balanced control configuration with filtering and referencing to eliminate compensation Jan. 1, 2013
8344716 Methods and systems for power supply adaptive control utilizing transfer function measurements Jan. 1, 2013
8344712 Modification of activation order in a multi-phase power delivery system Jan. 1, 2013
8344709 Intelligent switching controller and power conversion circuits and methods Jan. 1, 2013
8339116 DC/DC converter including ultrasonic feature for use with low quiescent currents Dec. 25, 2012
8339113 Buck switch-mode power converter large signal transient response optimizer Dec. 25, 2012

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