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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
7352161 Burst-mode switching voltage regulator with ESR compensation Apr. 1, 2008
7348766 Switching power supply device Mar. 25, 2008
7345463 Load compensated switching regulator Mar. 18, 2008
7345461 Semiconductor circuit device and data processing system Mar. 18, 2008
7342392 Switching regulator with slope compensation independent of changes in switching frequency Mar. 11, 2008
7339361 Multi-phase DC-DC converter using auxiliary resistor network to feed back multiple single-ended sensed currents to supervisory controller for balanced current-sharing among plural channels Mar. 4, 2008
7339359 Terminal for multiple functions in a power supply Mar. 4, 2008
7336511 Power supply control loop with multiple leveling modes Feb. 26, 2008
7332900 Method and apparatus to reduce maximum power from a power supply with transition region regulation Feb. 19, 2008
7327130 Current sense method Feb. 5, 2008
7327129 Current sense circuit and method for a DC-to-DC converter Feb. 5, 2008
7327128 Switching power supply transient suppression Feb. 5, 2008
7327127 Pulse-frequency mode DC-DC converter circuit Feb. 5, 2008
7321223 Switching power supply apparatus Jan. 22, 2008
7319313 Photovoltaic DC-to-AC power converter and control method Jan. 15, 2008
7319312 Digital power supply controller with voltage positioning Jan. 15, 2008
7319311 Step down switching regulator with the substrate of the switching transistor selectively connected to either its drain or source Jan. 15, 2008
7317306 Nonlinear adaptive voltage positioning for DC-DC converters Jan. 8, 2008
7317302 Converter with feedback voltage referenced to output voltage Jan. 8, 2008
7315160 Non linear controlled power supply with a linear soft start operation Jan. 1, 2008
RE39976 Multi-phase switching regulator Jan. 1, 2008
7313005 PWM circuit control method Dec. 25, 2007
7309975 Process for operating a switching power supply Dec. 18, 2007
7307406 Switching power supply device and a semiconductor integrated circuit Dec. 11, 2007
7307405 Transition mode operating device for the correction of the power factor in switching power supply units Dec. 11, 2007
7304464 Switching voltage regulator with low current trickle mode Dec. 4, 2007
7301288 LED buck regulator control IC Nov. 27, 2007
7298601 Over-voltage protection for voltage regulator modules of a parallel power system Nov. 20, 2007
7298122 Actuation circuit for a switch regulating the power consumption in a switching converter Nov. 20, 2007
7298121 Circuit and method for increasing the stability of switch-mode power supplies Nov. 20, 2007
7298119 Step-up/step-down (buck/boost) switching regulator control methods Nov. 20, 2007
7298118 Power converter employing a tapped inductor and integrated magnetics and method of operating the same Nov. 20, 2007
7294993 Method and apparatus for customizing of a power supply based on load characteristic data Nov. 13, 2007
7292018 Reverse current preventing circuit with an automatic correction of reference Nov. 6, 2007
7292016 Buck/boost DC-DC converter control circuit with input voltage detection Nov. 6, 2007
7285991 Semiconductor device for controlling switching power supply and switching power supply unit using the same Oct. 23, 2007
7285941 DC-DC converter with load intensity control method Oct. 23, 2007
7285939 DC-DC converter for boosting input voltage at variable frequency Oct. 23, 2007
7279878 Output regulating device for regulating output of electric power source depending on input therefrom Oct. 9, 2007
7279877 Adaptive current reversal comparator Oct. 9, 2007
7279876 Device for the correction of the power factor in forced switching power supplies Oct. 9, 2007
7279870 DC-DC converter and method of controlling DC-DC converter Oct. 9, 2007
7279869 PFM control circuit for DC regulator Oct. 9, 2007
7268527 Method and apparatus for determining load current in a CPU core voltage regulator Sep. 11, 2007
7268526 Switch mode power supply control circuit Sep. 11, 2007
7265528 High-frequency power apparatus Sep. 4, 2007
7265526 Semiconductor device Sep. 4, 2007
7250745 Control circuit of DC-DC converter and its control method Jul. 31, 2007
7248029 Off-line converter with digital control Jul. 24, 2007
7247996 Projector Jul. 24, 2007

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