SEMICONDUCTOR STRUCTURES FOR ENHANCED TRANSIENT RESPONSE IN LOW DROPOUT (LDO) VOLTAGE REGULATORS
Systems, semiconductor structures, electronic circuits and methods for enhanced transient response in Low Dropout (LDO) voltage regulators are disclosed. For example, a semiconductor structure for enhanced transient response in an LDO voltage regulator is disclosed, which includes a first current mi...
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| creator | LUFF GWILYM |
| description | Systems, semiconductor structures, electronic circuits and methods for enhanced transient response in Low Dropout (LDO) voltage regulators are disclosed. For example, a semiconductor structure for enhanced transient response in an LDO voltage regulator is disclosed, which includes a first current mirror circuit coupled to an input connection and an output connection of the LDO voltage regulator, a second current mirror circuit coupled to the input connection of the LDO voltage regulator. A first input of a first amplifier circuit is coupled to the second current mirror circuit, a second input of the first amplifier circuit is coupled to the output connection of the LDO voltage regulator, and a third input of the first amplifier circuit is coupled to a reference voltage. An input of a second amplifier circuit is coupled to an output of the first amplifier circuit, an output of the second amplifier circuit is coupled to the first current mirror circuit, an input of a third amplifier circuit is coupled to the output of the first amplifier circuit, and an output of the third amplifier circuit is coupled to the second current mirror circuit. In some implementations, the semiconductor structure is an adaptively-biased LDO voltage regulator formed in a power management integrated circuit (PMIC) or in a power supply on a semiconductor IC, wafer, chip or die. |
| format | Patent |
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For example, a semiconductor structure for enhanced transient response in an LDO voltage regulator is disclosed, which includes a first current mirror circuit coupled to an input connection and an output connection of the LDO voltage regulator, a second current mirror circuit coupled to the input connection of the LDO voltage regulator. A first input of a first amplifier circuit is coupled to the second current mirror circuit, a second input of the first amplifier circuit is coupled to the output connection of the LDO voltage regulator, and a third input of the first amplifier circuit is coupled to a reference voltage. An input of a second amplifier circuit is coupled to an output of the first amplifier circuit, an output of the second amplifier circuit is coupled to the first current mirror circuit, an input of a third amplifier circuit is coupled to the output of the first amplifier circuit, and an output of the third amplifier circuit is coupled to the second current mirror circuit. 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For example, a semiconductor structure for enhanced transient response in an LDO voltage regulator is disclosed, which includes a first current mirror circuit coupled to an input connection and an output connection of the LDO voltage regulator, a second current mirror circuit coupled to the input connection of the LDO voltage regulator. A first input of a first amplifier circuit is coupled to the second current mirror circuit, a second input of the first amplifier circuit is coupled to the output connection of the LDO voltage regulator, and a third input of the first amplifier circuit is coupled to a reference voltage. An input of a second amplifier circuit is coupled to an output of the first amplifier circuit, an output of the second amplifier circuit is coupled to the first current mirror circuit, an input of a third amplifier circuit is coupled to the output of the first amplifier circuit, and an output of the third amplifier circuit is coupled to the second current mirror circuit. 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For example, a semiconductor structure for enhanced transient response in an LDO voltage regulator is disclosed, which includes a first current mirror circuit coupled to an input connection and an output connection of the LDO voltage regulator, a second current mirror circuit coupled to the input connection of the LDO voltage regulator. A first input of a first amplifier circuit is coupled to the second current mirror circuit, a second input of the first amplifier circuit is coupled to the output connection of the LDO voltage regulator, and a third input of the first amplifier circuit is coupled to a reference voltage. An input of a second amplifier circuit is coupled to an output of the first amplifier circuit, an output of the second amplifier circuit is coupled to the first current mirror circuit, an input of a third amplifier circuit is coupled to the output of the first amplifier circuit, and an output of the third amplifier circuit is coupled to the second current mirror circuit. In some implementations, the semiconductor structure is an adaptively-biased LDO voltage regulator formed in a power management integrated circuit (PMIC) or in a power supply on a semiconductor IC, wafer, chip or die.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ADVERTISING ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION CONTROLLING CRYPTOGRAPHY DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING DISPLAY EDUCATION FREQUENCY-CHANGING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS REGULATING SEALS SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF |
| title | SEMICONDUCTOR STRUCTURES FOR ENHANCED TRANSIENT RESPONSE IN LOW DROPOUT (LDO) VOLTAGE REGULATORS |
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