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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:
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Patent Number Title Of Patent Date Issued
7245113 High light load efficiency synchronous buck regulator with pulse skipping control Jul. 17, 2007
7242170 Control circuit having error amplifier for DC-DC converter and control method therefor Jul. 10, 2007
7242169 Method and apparatus for voltage compensation for parasitic impedance Jul. 10, 2007
7242168 Wide input range buck/boost switching regulator Jul. 10, 2007
7239120 Device for power factor correction in forced switching power supply units Jul. 3, 2007
7239119 Method and apparatus to provide temporary peak power from a switching regulator Jul. 3, 2007
7233135 Ripple converter Jun. 19, 2007
7233134 DC-to-DC converter with fast load transient response and method thereof Jun. 19, 2007
7230838 Active damping control for a switch mode power supply Jun. 12, 2007
7221134 Apparatus and method for flywheel current injection for a regulator May. 22, 2007
7221130 Switching power converter employing pulse frequency modulation control May. 22, 2007
7215108 Method for starting a voltage-mode switching power supply into a biased load May. 8, 2007
7215107 Method and apparatus to limit output power in a switching power supply May. 8, 2007
7212012 Method of and system for regulating output voltage May. 1, 2007
7211992 Adaptive digital voltage regulator with Bresenham sequence generator May. 1, 2007
7208985 Semiconductor device for controlling switching power supply Apr. 24, 2007
7208928 Oscillatorless DC-DC power converter Apr. 24, 2007
7208925 Voltage regulator controller power good indicator circuitry Apr. 24, 2007
7205754 Method and apparatus for a switch mode power supply that generates a high pulse width modulation gain while maintaining low noise sensitivity Apr. 17, 2007
7205750 Power supply for positive and negative output voltages Apr. 17, 2007
7202652 Motor driving apparatus incorporating switch device driving apparatus Apr. 10, 2007
7202650 Controller for DC to DC converter Apr. 10, 2007
7202646 Control interface with droop compensation Apr. 10, 2007
7202641 DC-to-DC converter Apr. 10, 2007
7202640 Power factor improving circuit Apr. 10, 2007
7199568 DC power supply and integrated circuit device Apr. 3, 2007
7199560 Switch-mode power supply voltage regulator and methodology Apr. 3, 2007
7196503 Current averaging circuit for a PWM power converter Mar. 27, 2007
7190153 System, circuit and method for tuning a resonant circuit Mar. 13, 2007
7187159 DC--DC converter Mar. 6, 2007
7183757 Switching power source, switching power source control method, electric apparatus having the switching power source, and printing apparatus having the switching power source Feb. 27, 2007
7180280 Method and apparatus to reduce maximum power from a power supply with transition region regulation Feb. 20, 2007
7176668 Switching regulator with advanced slope compensation Feb. 13, 2007
7176662 Power converter employing a tapped inductor and integrated magnetics and method of operating the same Feb. 13, 2007
7173404 Auto-switching converter with PWM and PFM selection Feb. 6, 2007
7170308 On-chip voltage regulator using feedback on process/product parameters Jan. 30, 2007
7170273 Power-supply device and hard disk drive using same Jan. 30, 2007
7170272 Semiconductor integrated circuit for controlling power supply, an electronic component and a power supply device Jan. 30, 2007
7170267 Switching regulator with average current mode control Jan. 30, 2007
7161333 System and method for determining load current in switching regulators operable in pulse skipping mode Jan. 9, 2007
7161332 Removing a phase in multiphase DC/DC converter without disturbing the output voltage Jan. 9, 2007
7157888 Light loading control circuit for a buck-boost voltage converter Jan. 2, 2007
7151360 Power supply for power factor correction and driving method thereof Dec. 19, 2006
7149098 Over-power protection apparatus with programmable over-current threshold Dec. 12, 2006
7148664 High frequency partial boost power factor correction control circuit and method Dec. 12, 2006
7148663 Switching power supply circuit Dec. 12, 2006
7142401 Detecting overcurrents in a switching regulator using a voltage dependent reference Nov. 28, 2006
7141957 Converter circuit and control method for same Nov. 28, 2006
7138790 Control device for controlling a charging switch in a switching regulator and method for controlling a charging switch Nov. 21, 2006
7135846 Method for implementing radiation hardened, power efficient, non isolated low output voltage DC/DC converters with non-radiation hardened components Nov. 14, 2006

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