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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
7728571 Load-dependent frequency jittering circuit and load-dependent frequency jittering method Jun. 1, 2010
7728570 Power factor correction circuit and power supply apparatus thereof Jun. 1, 2010
7728567 Current mode pulse frequency modulation switching regulator Jun. 1, 2010
7728559 Charging apparatus having a switching element for controlling charging power Jun. 1, 2010
7723967 Step-up converter having an improved dynamic response May. 25, 2010
7723966 Switching voltage regulator control device May. 25, 2010
7719250 Half bridge switching regulator and electronic device May. 18, 2010
7719249 Soft-start circuit and method therefor May. 18, 2010
7719245 Methods and apparatus to provide self-tracking pre-driver controls May. 18, 2010
7714561 Driver for DC-to-DC converter with controller interface May. 11, 2010
7710094 Current-mode-controlled current sensor circuit for power switching converter May. 4, 2010
7710086 Modular high voltage power supply for chemical analysis May. 4, 2010
7710084 Sample and hold technique for generating an average of sensed inductor current in voltage regulators May. 4, 2010
7705579 Apparatus and method for faster unloading of transient response in a synchronous buck switching regulator Apr. 27, 2010
7701189 Dynamic gate drive voltage adjustment Apr. 20, 2010
7696739 Electronic switch circuit, converter and method of operation Apr. 13, 2010
7696738 Method and circuit for controlling DC-DC converter Apr. 13, 2010
7696737 Method and apparatus to control a power supply for high efficiency Apr. 13, 2010
7692417 Switched mode power converter Apr. 6, 2010
7683592 Low dropout voltage regulator with switching output current boost circuit Mar. 23, 2010
7679537 Precision microcontroller-based pulse width modulation digital-to-analog conversion circuit and method Mar. 16, 2010
7679348 Switching regulator Mar. 16, 2010
7675280 Power factor correction boost circuit Mar. 9, 2010
7675276 DC/DC converter Mar. 9, 2010
7675275 DC-DC converter Mar. 9, 2010
7671575 Transient load response for a voltage regulator with a load current based control loop Mar. 2, 2010
7671573 Apparatus and method for projected on-time regulator Mar. 2, 2010
7667447 Load adaptive power delivery Feb. 23, 2010
7667445 Integrated circuit for controlling a switching power supply Feb. 23, 2010
7656142 Switching regulator with variable slope compensation Feb. 2, 2010
7656139 Creating additional phase margin in the open loop gain of a negative feedback amplifier system using a boost zero compensating resistor Feb. 2, 2010
7652945 Adaptive zero current sense apparatus and method for a switching regulator Jan. 26, 2010
7652462 Constant current regulator with current sensing circuit loop Jan. 26, 2010
7652461 High efficiency power converter operating free of an audible frequency range Jan. 26, 2010
7649346 Switching regulator having a normal operational mode and a light-load operational mode Jan. 19, 2010
7646189 Power supply controller and method therefor Jan. 12, 2010
7646182 Power supply apparatus Jan. 12, 2010
7642758 Power conversion regulator with predictive energy balancing Jan. 5, 2010
RE41061 High efficiency linear regulator Dec. 29, 2009
7639033 On-chip voltage regulator using feedback on process/product parameters Dec. 29, 2009
7638994 Switching power supply circuit Dec. 29, 2009
7638988 Co-fired ceramic inductors with variable inductance, and voltage regulator having same Dec. 29, 2009
7638987 Method and apparatus for power supplying capable of effectively eliminating overshoot voltage Dec. 29, 2009
7635970 Method for implementing radiation hardened, power efficient, non isolated low output voltage DC/DC converters with non-radiation hardened components Dec. 22, 2009
7635969 Power supply unit and portable device Dec. 22, 2009
7635968 Techniques for handling low line voltage Conditions in power supply units Dec. 22, 2009
7635957 LED temperature-dependent power supply system and method Dec. 22, 2009
RE41037 Adjustable minimum peak inductor current level for burst mode in current-mode DC-DC regulators Dec. 15, 2009
7626372 Control circuit for multi-phase, multi-channels PFC converter with variable switching frequency Dec. 1, 2009
7619908 Prognostic health monitoring in switch-mode power supplies with voltage regulation Nov. 17, 2009

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