188738 ⎘
Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems; Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in parallel with the load as final control devices
Sub-classes:DC VOLTAGE CONVERTERS
#2OVERSHOOT DETECTION IN VOLTAGE REGULATORS
#3Power supply system and semiconductor integrated circuit device
#4DC voltage converters
#5Electronic load to install in the power supply of a vehicle lamp
#6METHOD FOR BALANCING VOLTAGES IN A DC GRID AND BALANCING UNIT FOR A DC GRID
#7Power managing system and method
#8Shunt regulator
#9Shunt regulator
#10Half-bridge power circuit, controller therefor, and method for controlling the same
#11Common mode electromagnetic interference mitigation
#12Power supply circuit with cascade-connected diodes and method for controlling power supply circuit
#13DC voltage regulators with demand-driven power management
#14Power supply for electric utility underground equipment
#15DC voltage regulators with demand-driven power management
#16Triggered sink circuit for a linear regulator
#17Power converter implementations, programmable gain, and programmable compensation
#18Bus voltage limiter for converter apparatus with multiple DC buses
#19Method of operating a low dropout regulator by selectively removing and replacing a DC bias from a power transistor within the low dropout regulator
#20Load impedance tester and measurement method
#21SWITCHING ENERGY SOURCE FOR POWER RAIL TRANSIENT COMPENSATION
#22VEHICLE ISOLATION SWITCH FOR LOW VOLTAGE POWER SUPPLIES
#23Low quiescent current linear regulator with mode selection based on load current and fast transient detection
#24Power supply for electric utility underground equipment
#25Energy harvesting and control for sensor node
#26Selectable power scavenging systems and methods
#27Power management for logic state retention
#28Reference voltage generator with adaptive voltage and power circuit
#29Power switching circuits having a saturable inductor
#30Apparatus for operating as DC motor and DC generator
#31Apparatus for rotating a shaft using an electromagnet
#32Capacitor-less voltage regulator, semiconductor device including the same and method of generating power supply voltage
#33PRESERVING PHASE INTERLEAVING IN A HYSTERETIC MULTIPHASE BUCK CONTROLLER
#34Residential static VAR compensator apparatus and method
#35Low leakage low dropout regulator with high bandwidth and power supply rejection, and associated methods
#36Reference voltage generator with adaptive voltage and power circuit
#37Reference voltage generator with adaptive voltage and integrated circuit chip
#38Field device charging power regulation
#39Low leakage low dropout regulator with high bandwidth and power supply rejection
#40Energy harvesting and control for sensor node
#41Impedance compensation based on ratio of bus voltage and amplifier fundamental AC output voltage
#42Transient suppression with lossless steady state operation
#43System for balancing the voltage of series-connected semiconductor elements
#44Supply-side voltage regulator
#45Voltage dropping circuit and integrated circuit
#46Methods and apparatus for discharging a node of an electrical circuit
#47Voltage adjusting circuit and all-in-one computer including the same
#48Digital shunt regulator for NFC devices
#49Voltage regulator and method
#50Compensation device for feedback loops, and corresponding integrated circuit
#51Control chip and connection module utilizing the same
#52Voltage limiting device for use in a distributed control system
#53Semiconductor apparatus
#54Power supply noise reduction circuit and power supply noise reduction method
#55System on a chip, apparatus and method for voltage ripple reduction on a power supply line of an integrated circuit device operable in at least two modes
#56System for balancing the voltage of series-connected semiconductor elements
#57Input circuit includes a constant current circuit
#58Energy harvesting and control for sensor node
#59Digital shunt regulator for NFC devices
#60Multi-level stack voltage system for integrated circuits
#61Negative voltage regulation circuit and voltage generation circuit including the same
#62Transient suppression with lossless steady state operation
#63Voltage control circuit with temperature compensation function
#64Modulation method and control device having the same
#65Two-inductor based AC-DC offline power converter with high efficiency
#66Power factor correction apparatus, power supplying apparatus and motor driving apparatus having the same
#67Method and apparatus for LDO and distributed LDO transient response accelerator
#68LOW DROP-OUT REGULATOR
#69Shunt regulator for adverse voltage/circuit conditions
#70Voltage regulator using N-type substrate
#71Voltage scaling system
#72Bipolar transistor adjustable shunt regulator circuit
#73Voltage discharge optimization
#74SHUNT REGULATOR
#75Power supply with integrated voltage clamp and current sink
#76Bandgap ready circuit
#77Shunt regulator circuit having a split output
#78Voltage adjusting circuit, contactless card and contactless card system having the same, and methods of operating the voltage adjusting circuit and the contactless card
#79SHUNT REGULATOR FOR HIGH VOLTAGE OUTPUT USING INDIRECT OUTPUT VOLTAGE SENSING
#80Smart cards
#81Voltage regulation of near field communication communicators
#82Adjustable shunt regulator circuit without error amplifier
#83Hysteretic controlled buck-boost converter
#84Bias Voltage Converter
#85Voltage regulator feedback protection method and apparatus
#86Shunt regulator having over-voltage protection circuit and semiconductor device including the same
#87High voltage shunt-regulator circuit with voltage-dependent resistor
#88Method and apparatus for electronic power control
#89Device for smoothing the load current supplied to a load
#90ADJUSTABLE SHUNT REGULATOR WITH SOFT-START REFERENCE
#91Regulator with shunt over-current by-pass
#92Shunt regulator
#93Method and apparatus for electronic power control
#94Voltage regulator with shunt feedback
#95Apparatus and system for providing transient suppression power regulation
#96Switching circuit for producing an adjustable output characteristic
#97Voltage regulator feedback protection method and apparatus
#98SYSTEM AND METHOD FOR AN AUTO-TRACKING, SELF-CALIBRATING VOLTAGE GENERATOR
#99Voltage stabilizer
#100Switching circuit for producing an adjustable output characteristic
#101Bootstrap capacitor charge circuit with limited charge current
#102Output buffer capable of reducing power consumption of a display driver
#103Circuits for DC voltage converters
#104Voltage regulation circuit suitable to provide output voltage to core circuit
#105Autonomous phase shedding control for a voltage regulator
#106Reallocation of regulator phases within a phase-redundant voltage regulator apparatus
#107Reallocation of regulator phases within a phase-redundant voltage regulator apparatus
#108Sharing redundant regulator phases within a phase-redundant voltage regulator apparatus
#109Constant voltage circuit
#110Dual loop adaptive LDO voltage regulator
#111Circuit to reduce power consumption
#112Precision current source with programmable slew rate control