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Browse by Category: Main > Electrical & Energy
Class Information
Number: 323/280
Name: Electricity: power supply or regulation systems > Output level responsive > Using a three or more terminal semiconductive device as the final control device > Linearly acting > With a specific feedback amplifier (e.g., integrator, summer)
Description: Subject matter including a signal processing circuit between the means responsive to the output level and the final control device, the signal processing circuit including an amplifier in a feedback path, the amplifier including such elements as cascaded stages, summing junctions, or additional feedback circuitry.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11

Patent Number Title Of Patent Date Issued
7535208 Capacitive feedback circuit May. 19, 2009
7531996 Low dropout regulator with wide input voltage range May. 12, 2009
7531994 Constant voltage regulator for generating a low voltage output May. 12, 2009
7525294 High-voltage regulator system compatible with low-voltage technologies and corresponding electronic circuit Apr. 28, 2009
7521936 Diagnostic system for power converter Apr. 21, 2009
7521909 Linear regulator and method therefor Apr. 21, 2009
7504809 Power supply and a device for providing a control voltage that is substantially equivalent to a reference voltage used by the power supply Mar. 17, 2009
7498781 Methods and systems for disturbance rejection in DC-to-DC converters Mar. 3, 2009
7495422 Area-efficient capacitor-free low-dropout regulator Feb. 24, 2009
7492137 Series regulator and differential amplifier circuit thereof Feb. 17, 2009
7480487 Power regulation for field instruments Jan. 20, 2009
7477043 Voltage regulator output stage with low voltage MOS devices Jan. 13, 2009
7466115 Soft-start circuit and method for power-up of an amplifier circuit Dec. 16, 2008
7456619 Power supply circuit Nov. 25, 2008
7453244 Low dropout regulator with control loop for avoiding hard saturation Nov. 18, 2008
7453245 Method and system for providing precise current regulation and limitation for a power supply Nov. 18, 2008
7446515 Compensating NMOS LDO regulator using auxiliary amplifier Nov. 4, 2008
7446514 Linear regulator for use with electronic circuits Nov. 4, 2008
7443149 Regulator circuit capable of detecting variations in voltage Oct. 28, 2008
7439718 Apparatus and method for high speed voltage regulation Oct. 21, 2008
7432693 Low drop-out DC voltage regulator Oct. 7, 2008
7429852 Constant voltage circuit capable of quickly responding to a sudden change of load current Sep. 30, 2008
7423414 Apparatus and method for switching regulator with compensation delay for output voltage error correction Sep. 9, 2008
7408331 Constant voltage power supply circuit and method of controlling the same Aug. 5, 2008
7405546 Standard CMOS low-noise high PSRR low drop-out regulator with new dynamic compensation Jul. 29, 2008
7402987 Low-dropout regulator with startup overshoot control Jul. 22, 2008
7402989 Capacitor multiplier Jul. 22, 2008
7402984 Oscillation sensor for linear regulation circuit Jul. 22, 2008
7400123 Voltage regulator with variable drive strength for improved phase margin in integrated circuits Jul. 15, 2008
7400362 Method and apparatus to interface video signals to a decoder to compensate for droop Jul. 15, 2008
7394306 Regulator circuit Jul. 1, 2008
7392405 Digitally controlled power supply Jun. 24, 2008
7385378 Constant-voltage circuit, semiconductor device using the same, and constant-voltage outputting method providing a predetermined output voltage Jun. 10, 2008
7368896 Voltage regulator with plural error amplifiers May. 6, 2008
7358709 Constant voltage regulator for generating a low voltage output Apr. 15, 2008
7358708 Linear voltage regulator Apr. 15, 2008
7345465 Two pin-based sensing of remote DC supply voltage differential using precision operational amplifier and diffused resistors Mar. 18, 2008
7323853 Low drop-out voltage regulator with common-mode feedback Jan. 29, 2008
7323854 Zero cancellation in multiloop regulator control scheme Jan. 29, 2008
7320482 Semiconductor integrated circuit device Jan. 22, 2008
7312598 Capacitor free low drop out regulator Dec. 25, 2007
7304458 Regulator circuit Dec. 4, 2007
7301315 Power supplying method and apparatus including buffer circuit to control operation of output driver Nov. 27, 2007
7282902 Voltage regulator apparatus Oct. 16, 2007
7276861 System and method for driving LED Oct. 2, 2007
7262586 Shunt type voltage regulator Aug. 28, 2007
7253595 Low drop-out voltage regulator Aug. 7, 2007
7248025 Voltage regulator with improved power supply rejection ratio characteristics and narrow response band Jul. 24, 2007
7242171 Power converter circuit and method for power conversion Jul. 10, 2007
7221132 Power supply circuit May. 22, 2007

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