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Browse by Category: Main > Electrical & Energy
Class Information
Number: 323/288
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 ramp generator or controlled capacitor charging
Description: Subject matter including circuitry which produces a gradually changing signal which is ultimately proportional to the output of the device.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12

Patent Number Title Of Patent Date Issued
8710820 Switched capacitor hold-up scheme for constant boost output voltage Apr. 29, 2014
8710821 Method for inhibiting thermal run-away Apr. 29, 2014
8710905 Bias voltage generating circuit and switching power supply thereof Apr. 29, 2014
8710817 Off-line converter with digital control Apr. 29, 2014
8704505 Switching power source apparatus Apr. 22, 2014
8692536 Switching regulator with short-circuit detection circuit Apr. 8, 2014
8686697 DC voltage booster apparatus Apr. 1, 2014
8664982 Buck-boost power converter with feed-forward technique for achieving fast line response Mar. 4, 2014
8653805 Duty ratio/voltage conversion circuit Feb. 18, 2014
8648577 DC-DC converter Feb. 11, 2014
8643355 Method for generating a signal and structure therefor Feb. 4, 2014
8644039 Voltage multiplying circuit utilizing no voltage stabling capacitors Feb. 4, 2014
8638083 Control for an electrically adjustable piece of furniture Jan. 28, 2014
8629667 Pulse width modulator with an adjustable waveform generator for controlling duty cycle of a pulse width modulated signal Jan. 14, 2014
8629666 Dynamic control parameter adjustment in a power supply Jan. 14, 2014
8624574 Pulse width modulation controller of DC-DC converter Jan. 7, 2014
8618784 Regulator control circuits, switching regulators, systems, and methods for operating switching regulators Dec. 31, 2013
8618785 Start-up supply Dec. 31, 2013
8604757 DC/DC power conversion apparatus Dec. 10, 2013
8593841 Compensation circuit for constant current regulation of power supply and method thereof Nov. 26, 2013
8593128 Stacked NMOS DC-to-DC power conversion Nov. 26, 2013
8593126 Power supply device, control circuit, electronic device and control method for power supply Nov. 26, 2013
8593124 Switching power source apparatus Nov. 26, 2013
8587269 Cycle by cycle synchronous buck converter control based on external clock Nov. 19, 2013
8587275 Instantaneous average current measurement method Nov. 19, 2013
8587285 Power regulator, control circuit, and method for controlling power regulator Nov. 19, 2013
8570019 Switching power source apparatus Oct. 29, 2013
8570016 Duty cycle generator and power converter Oct. 29, 2013
8570021 DC/DC converter having a delay generator circuit positioned between a comparator and a pulse generator and a DC/DC converter control method Oct. 29, 2013
8564272 Integrated soft start circuits Oct. 22, 2013
8558523 System and method of intermittent diode braking for multiple phase voltage regulator Oct. 15, 2013
8552705 Lower power controller for DC to DC converters Oct. 8, 2013
8552706 Stability methods and structures for current-mode DC-DC voltage converters Oct. 8, 2013
8541993 DC-DC converters operable in a discontinuous switching mode Sep. 24, 2013
8541999 Controlling power loss in a switched-capacitor power converter Sep. 24, 2013
8536848 Apparatus, method and system for control of AC/AC conversion Sep. 17, 2013
8519693 Method and apparatus for implementing an unregulated dormant mode in a power converter Aug. 27, 2013
8519692 Voltage regulator Aug. 27, 2013
8519686 SSPC for soft start of DC link capacitor Aug. 27, 2013
8513928 Bidirectional buck-boost converter Aug. 20, 2013
8513935 Combinations of current feedback for frequency compensation, overload detection, and super overload detection in switching power converters Aug. 20, 2013
8513936 Switching power supply circuit Aug. 20, 2013
8508195 PFC converter using a predetermined value that varies in synchronization with a phase of the input voltage Aug. 13, 2013
8508963 Step-down switching regulator capable of providing high-speed response with compact structure Aug. 13, 2013
8502511 Buck switching regulator Aug. 6, 2013
8497719 Slew rate PWM controlled charge pump for limited in-rush current switch driving Jul. 30, 2013
8497665 Drop power supply circuit Jul. 30, 2013
8492989 Switched-mode power supply, LED lighting system and driver comprising the same, and method for electrically driving a load Jul. 23, 2013
8487593 System and method for detection and compensation of aggressive output filters for switched mode power supplies Jul. 16, 2013
8482272 DC-DC converter Jul. 9, 2013

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