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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 |
| 7615980 |
Marginal check voltage setting means built-in power-supply device |
Nov. 10, 2009 |
| 7615982 |
Power converter able to rapidly respond to fast changes in load current |
Nov. 10, 2009 |
| 7615983 |
High frequency power device for protecting an amplifying element therein |
Nov. 10, 2009 |
| 7615984 |
DC-DC converter and method of controlling thereof |
Nov. 10, 2009 |
| 7612544 |
Linearized controller for switching power converter |
Nov. 3, 2009 |
| 7613019 |
Method and apparatus to limit maximum switch current in a switch of a switching power supply |
Nov. 3, 2009 |
| 7609042 |
Controller for DC-DC converter and method for controlling DC-DC converter |
Oct. 27, 2009 |
| 7605574 |
Switching regulator circuits |
Oct. 20, 2009 |
| 7602167 |
Reconfigurable topology for switching and linear voltage regulators |
Oct. 13, 2009 |
| 7602155 |
Power supply providing ultrafast modulation of output voltage |
Oct. 13, 2009 |
| 7598714 |
Amplifier employing interleaved signals for PWM ripple suppression |
Oct. 6, 2009 |
| 7598717 |
Current-sourced power supplies |
Oct. 6, 2009 |
| 7598718 |
Controller for DC to DC converter |
Oct. 6, 2009 |
| 7595618 |
DC voltage converter with a detector circuit configured to distinguish between operating modes |
Sep. 29, 2009 |
| 7595621 |
DC-DC converter control circuit and DC-DC converter control method |
Sep. 29, 2009 |
| 7595622 |
System and method for providing a sample and hold circuit for maintaining an output voltage of a constant current source circuit when a feedback loop is disconnected |
Sep. 29, 2009 |
| 7596005 |
Method and apparatus providing a multi-function terminal for a power supply controller |
Sep. 29, 2009 |
| 7595615 |
Systems and methods for providing over-current protection in a switching power supply |
Sep. 29, 2009 |
| 7592793 |
Voltage regulator providing power from AC power source |
Sep. 22, 2009 |
| 7592792 |
Power supply |
Sep. 22, 2009 |
| 7592791 |
High efficiency DC-DC converter using pulse skipping modulation with programmable burst duration |
Sep. 22, 2009 |
| 7592790 |
Start-up circuit with feedforward compensation for power converters |
Sep. 22, 2009 |
| 7593242 |
Method and apparatus for increasing the power capability of a power supply |
Sep. 22, 2009 |
| RE40915 |
Programmable current-sensing circuit providing continuous temperature compensation for DC-DC converter |
Sep. 15, 2009 |
| 7589510 |
Voltage regulator having variable threshold voltage switch |
Sep. 15, 2009 |
| 7583068 |
Method for driving voltage-controlled devices or current-controlled devices |
Sep. 1, 2009 |
| 7579818 |
Current regulator and method therefor |
Aug. 25, 2009 |
| 7579819 |
Apparatus and method for flywheel current injection for a regulator |
Aug. 25, 2009 |
| 7579820 |
PWM/PFM control circuit and switching power supply circuit |
Aug. 25, 2009 |
| 7576529 |
Step-down type switching regulator |
Aug. 18, 2009 |
| 7576530 |
Switching regulator capable of efficient control at control mode change |
Aug. 18, 2009 |
| 7577002 |
Frequency hopping control circuit for reducing EMI of power supplies |
Aug. 18, 2009 |
| 7576528 |
Control circuit responsive to an impedance |
Aug. 18, 2009 |
| 7576527 |
Low power DC-DC converter with improved load regulation |
Aug. 18, 2009 |
| 7576523 |
Power supply circuit and semiconductor memory |
Aug. 18, 2009 |
| 7576522 |
Circuit and method for soft start of a switching regulator from a residual voltage |
Aug. 18, 2009 |
| 7576531 |
Switching regulator and electronic device therewith |
Aug. 18, 2009 |
| 7573248 |
Step-up switching voltage regulator circuit |
Aug. 11, 2009 |
| 7570038 |
Control circuit to reduce reverse current of synchronous rectifier |
Aug. 4, 2009 |
| 7570036 |
Multi-threshold multi-gain active transient response circuit and method for digital multiphase pulse width modulated regulators |
Aug. 4, 2009 |
| 7570034 |
Step-up/down DC-DC converter |
Aug. 4, 2009 |
| 7570033 |
Apparatus and method for PWM buck-or-boost converter with smooth transition between modes |
Aug. 4, 2009 |
| 7570030 |
Boost converter circuit having selectable modes |
Aug. 4, 2009 |
| 7567065 |
Switching regulator and method for changing output voltages thereof |
Jul. 28, 2009 |
| 7567047 |
Electric motor control strategies for using a low resolution position sensor |
Jul. 28, 2009 |
| 7567070 |
Method and apparatus to limit output power in a switching power supply |
Jul. 28, 2009 |
| 7564232 |
Charging circuit and control method and integrated circuit utilizing the same |
Jul. 21, 2009 |
| 7564231 |
Switching power supply source |
Jul. 21, 2009 |
| 7564228 |
Switching regulator |
Jul. 21, 2009 |
| 7560909 |
Power converter using extrapolative conductance mode control |
Jul. 14, 2009 |
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