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Class Information
Number: 323/284
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 threshold detection
Description: Subject matter wherein the system includes means which responds within a predetermined range of the output or the means abruptly changes its conductive state at a predetermined level of the output.










Patents under this class:

Patent Number Title Of Patent Date Issued
8710905 Bias voltage generating circuit and switching power supply thereof Apr. 29, 2014
8710877 Adaptive non-positive inductor current detector (ANPICD) Apr. 29, 2014
8710875 Bootstrap gate driver Apr. 29, 2014
8710820 Switched capacitor hold-up scheme for constant boost output voltage Apr. 29, 2014
8710818 Power converter and method of power conversion Apr. 29, 2014
8710817 Off-line converter with digital control Apr. 29, 2014
8710816 Buck converter having reduced ripple under a light load Apr. 29, 2014
8710810 Systems and methods for DC-to-DC converter control Apr. 29, 2014
8704590 Control circuit for power converter and method thereof Apr. 22, 2014
8704504 Power supply circuit comprising detection circuit including reference voltage circuits as reference voltage generation circuits Apr. 22, 2014
8704503 Single ended primary inductor converter with over-current and/or over-voltage protection and method for controlling the same Apr. 22, 2014
8692533 Control circuit for switching loss reduction and smooth mode transition of a high efficiency buck-boost power converter Apr. 8, 2014
8692532 Power converter with controller operable in selected modes of operation Apr. 8, 2014
8686705 Current mode synchronous rectification DC/DC converter Apr. 1, 2014
8686704 Current sense circuit and switching regulator using the same Apr. 1, 2014
8686702 Negative slope compensation for current mode switching power supply Apr. 1, 2014
8680884 Fault detection circuits for switched mode power supplies and related methods of operation Mar. 25, 2014
8680832 Control circuit of step-down DC-DC converter, control circuit of step-up DC-DC converter and step-up/step-down DC-DC converter Mar. 25, 2014
8680831 Constant frequency on-time control system and method and voltage regulator using the same Mar. 25, 2014
8680825 Method for closed-loop control of a DC-DC voltage converter comprising a plurality of interlaced cells operating in zero-voltage switching mode Mar. 25, 2014
8680822 Power factor control systems and methods Mar. 25, 2014
8674673 Switching power converter Mar. 18, 2014
8664929 Audio-skipping of a constant on-time power converter Mar. 4, 2014
8659279 Automatic power converter bypass Feb. 25, 2014
8659278 Controller for switching regulator, switching regulator and light source Feb. 25, 2014
8659277 Current providing method and current providing system Feb. 25, 2014
8653803 Voltage generation circuit Feb. 18, 2014
8653801 Wide input voltage range power factor correction circuit Feb. 18, 2014
8653796 Portable electronic device power manager with current Limit feedback control loop modification for stabilizing an external power supply Feb. 18, 2014
8649194 Electro-magnetic interference reduction circuit for power converters and method thereof Feb. 11, 2014
8638082 Control circuit for step-down and boost type switching supply circuit and method for switching supply circuit Jan. 28, 2014
8638080 Circuits and methods for controlling PWM input of driver circuit Jan. 28, 2014
8638079 Pulse modulation control in a DC-DC converter circuit Jan. 28, 2014
8633680 Differential sensing for voltage control in a power supply circuit Jan. 21, 2014
8629668 Multi-phase synthetic ripple power converter Jan. 14, 2014
8629666 Dynamic control parameter adjustment in a power supply Jan. 14, 2014
8629630 LED driving circuit and control circuit Jan. 14, 2014
8626084 Area efficient concurrent matching transceiver Jan. 7, 2014
8625317 Isolated switch-mode power supply device Jan. 7, 2014
8625311 Switching power supply apparatus including a plurality of switching elements Jan. 7, 2014
8624569 Voltage regulator Jan. 7, 2014
8624441 Control circuit of cycling switch and control method thereof Jan. 7, 2014
8618779 Switch-mode regulator including hysteretic control Dec. 31, 2013
8610419 High efficiency buck-boost power converter and method of controlling Dec. 17, 2013
8610418 Method and apparatus for supplying power to a connection device Dec. 17, 2013
8610417 System with device startup anticipated voltage supply for voltage output regulation Dec. 17, 2013
8604769 Switching power source device Dec. 10, 2013
8604768 Control loop for switching power converters Dec. 10, 2013
8604767 Boundary conduction mode switching regulator and driver circuit and control method thereof Dec. 10, 2013
8604762 Low noise, low dropout regulators Dec. 10, 2013











 
 
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