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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
8334682 Buck converter with internal ripple compensation Dec. 18, 2012
8330444 Power supply circuit and dynamic switch voltage control Dec. 11, 2012
8330439 System and method for PFM/PWM mode transition within a multi-phase buck converter Dec. 11, 2012
8330438 Method and apparatus for equalizing phase currents in multiphase switching power converters Dec. 11, 2012
8330435 Hysteretic controlled buck-boost converter Dec. 11, 2012
8325463 Dynamic capacitor energy system Dec. 4, 2012
8324880 Power converting system with function of reducing dead-time Dec. 4, 2012
8324875 Multiphase DC/DC converter with output phases deviated from or aligned with each other and driven with fixed on time Dec. 4, 2012
8319484 Voltage regulator system and method for efficiency optimization using duty cycle measurements Nov. 27, 2012
8319482 Power supply and power control device Nov. 27, 2012
8314600 Constant current driving system with stable output current Nov. 20, 2012
8314599 DC/DC converter control circuit and DC/DC converter control method Nov. 20, 2012
8310219 DC-DC converter with a PWM mode and a continuously on mode Nov. 13, 2012
8305067 Controller and driver communication for switching regulators Nov. 6, 2012
8305066 Low dropout regulator Nov. 6, 2012
8305065 Power supplying apparatus including a pulse-width modulation oscillator and smoothing filters Nov. 6, 2012
8305063 Power supply controller with an input voltage compensation circuit Nov. 6, 2012
8305059 Voltage regulator circuit Nov. 6, 2012
8305058 Power supply having an improved maximum power point tracking function Nov. 6, 2012
8305055 Non-inverting buck boost voltage converter Nov. 6, 2012
8299770 Threshold voltage monitoring and control in synchronous power converters Oct. 30, 2012
8299766 Switching output circuit Oct. 30, 2012
8294446 Switching regulator device and method with adaptive frequency foldback Oct. 23, 2012
8294444 Power tracking device and power tracking method thereof Oct. 23, 2012
8294436 DC/DC converter and method for controlling a DC/DC converter Oct. 23, 2012
8288953 Buck constant average current regulation of light emitting diodes Oct. 16, 2012
8283908 On-off timer circuit for use in DC-DC converter Oct. 9, 2012
8283907 Boost regulator with pulse frequency mode of operation having substantially constant percentage output ripple and frequency Oct. 9, 2012
8283900 Methods and systems for controlling boost converters Oct. 9, 2012
8278902 DC to DC switching power converter controller using spread spectrum PWM Oct. 2, 2012
8278900 Switched mode power supply with burst mode controller Oct. 2, 2012
8278897 Power supply converter and method Oct. 2, 2012
8269475 Class DH amplifier Sep. 18, 2012
8269474 System and method for reducing voltage overshoot during load release within a buck regulator Sep. 18, 2012
8264211 Programmable power limiting for power transistor system Sep. 11, 2012
8258770 Multi-phase voltage regulator module and method controlling the same Sep. 4, 2012
8258769 Method of switching a PWM multi-phase voltage converter Sep. 4, 2012
8258767 Power conversion system and power control method for reducing cross regulation effect Sep. 4, 2012
8258763 Switching power supply unit and control circuit for same Sep. 4, 2012
8253507 Fixed-frequency control circuit and method for pulse width modulation Aug. 28, 2012
8253406 Switching voltage regulator Aug. 28, 2012
8253404 Constant voltage circuit Aug. 28, 2012
8248053 Off-line converter with digital control Aug. 21, 2012
8248050 Multi-channel low voltage micro-electric-field generator Aug. 21, 2012
8248046 DC-DC converter for pulse frequency modulation control and power supply system Aug. 21, 2012
8248040 Time-limiting mode (TLM) for an interleaved power factor correction (PFC) converter Aug. 21, 2012
8242813 Adaptive non-positive inductor current detector (ANPICD) Aug. 14, 2012
8242765 Switching power supply device and semiconductor device used for the same Aug. 14, 2012
8242764 DC-DC converter having VFM mode in which inductor current increases and switching frequency decreases Aug. 14, 2012
8237417 DC-DC converter, DC-DC converter control method, and electronic device Aug. 7, 2012

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