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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
6894469 Power supply circuit May. 17, 2005
6885177 Switching regulator and slope correcting circuit Apr. 26, 2005
6861827 Low drop-out voltage regulator and an adaptive frequency compensation Mar. 1, 2005
6861832 Threshold voltage adjustment for MOS devices Mar. 1, 2005
6856124 LDO regulator with wide output load range and fast internal loop Feb. 15, 2005
6841978 Voltage regulator with frequency response correction Jan. 11, 2005
6842068 Power management method and structure Jan. 11, 2005
6812678 Voltage independent class A output stage speedup circuit Nov. 2, 2004
6806690 Ultra-low quiescent current low dropout (LDO) voltage regulator with dynamic bias and bandwidth Oct. 19, 2004
6806693 Method and system for improving quiescent currents at low output current levels Oct. 19, 2004
6777920 Internal power-supply potential generating circuit Aug. 17, 2004
6765374 Low drop-out regulator and an pole-zero cancellation method for the same Jul. 20, 2004
6756774 Constant voltage source, a constant voltage source circuit board and a method for applying a constant voltage Jun. 29, 2004
6750638 Linear regulator with output current and voltage sensing Jun. 15, 2004
6744243 System and method for dynamically regulating a step down power supply Jun. 1, 2004
6744242 Four-state switched decoupling capacitor system for active power stabilizer Jun. 1, 2004
6710584 Series regulator Mar. 23, 2004
6710583 Low dropout voltage regulator with non-miller frequency compensation Mar. 23, 2004
6707340 Compensation technique and method for transconductance amplifier Mar. 16, 2004
6703815 Low drop-out regulator having current feedback amplifier and composite feedback loop Mar. 9, 2004
6703816 Composite loop compensation for low drop-out regulator Mar. 9, 2004
6700360 Output stage compensation circuit Mar. 2, 2004
6696824 Reduction of external component count in variable voltage integrated DC/DC converter Feb. 24, 2004
6690147 LDO voltage regulator having efficient current frequency compensation Feb. 10, 2004
6677737 Voltage regulator with an improved efficiency Jan. 13, 2004
6677736 Energy recovery system for droop compensation circuitry Jan. 13, 2004
6677735 Low drop-out voltage regulator having split power device Jan. 13, 2004
6664772 DC to DC converter producing output voltage exhibiting rise and fall characteristics independent of load thereon Dec. 16, 2003
6661213 On-chip filter-regulator, such as one for a microprocessor phase locked loop (PLL) supply Dec. 9, 2003
6661214 Droop compensation circuitry Dec. 9, 2003
6650093 Auxiliary boundary regulator that provides enhanced transient response Nov. 18, 2003
6630817 Electrical circuit arrangement for converting an input voltage Oct. 7, 2003
6628108 Method and apparatus to provide a low voltage reference generation Sep. 30, 2003
6617832 Low ripple scalable DC-to-DC converter circuit Sep. 9, 2003
6617833 Self-initialized soft start for Miller compensated regulators Sep. 9, 2003
6603294 Voltage supplying device, and semiconductor device, electro-optical device and electronic instrument using the same Aug. 5, 2003
6603293 Power supply rejection ratio optimization during test Aug. 5, 2003
6600299 Miller compensated NMOS low drop-out voltage regulator using variable gain stage Jul. 29, 2003
6586917 Battery charger shunt regulator with dual feedback control Jul. 1, 2003
6580257 Voltage regulator incorporating a stabilization resistor and a circuit for limiting the output current Jun. 17, 2003
6580256 System and method for remote regulation of a switching power converter Jun. 17, 2003
6566851 Output conductance correction circuit for high compliance short-channel MOS switched current mirror May. 20, 2003
6559624 Voltage converter capable of outputting a stable output voltage May. 6, 2003
6541946 Low dropout voltage regulator with improved power supply rejection ratio Apr. 1, 2003
6531851 Linear regulator circuit and method Mar. 11, 2003
6522112 Linear regulator compensation inversion Feb. 18, 2003
6518737 Low dropout voltage regulator with non-miller frequency compensation Feb. 11, 2003
6519167 PWM controller with single-cycle response Feb. 11, 2003
6515459 Apparatus and method for effecting controlled start up of a plurality of supply voltage signals Feb. 4, 2003
6509722 Dynamic input stage biasing for low quiescent current amplifiers Jan. 21, 2003

1 2 3 4 5 6 7 8 9 10 11

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