Low-Dropout Regulator and Chip

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Inventor(s)

Low-Dropout Regulator and Chip - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240345610 titled 'Low-Dropout Regulator and Chip

The abstract describes a patent application for a low-dropout regulator that includes a first power transistor, an error amplifier, and a loop gain amplifier.

The first power transistor is a first nmos transistor that provides an output current for a load.
The error amplifier, a common-gate amplifier, generates a first feedback voltage based on the output voltage and a reference voltage.
The loop gain amplifier, a common-source amplifier, generates a second feedback voltage based on the first feedback voltage.

Potential Applications: - Power supply systems - Voltage regulation circuits - Electronic devices requiring stable power output

Problems Solved: - Providing a stable output current for loads - Ensuring efficient voltage regulation - Minimizing dropout voltage in regulators

Benefits: - Improved performance of electronic devices - Enhanced power supply efficiency - Reliable voltage regulation for sensitive components

Commercial Applications: Title: "Advanced Low-Dropout Regulator Technology for Enhanced Power Supply Systems" This technology can be utilized in various industries such as telecommunications, automotive, and consumer electronics for efficient power management and voltage regulation.

Questions about Low-Dropout Regulator Technology: 1. How does a low-dropout regulator differ from a standard voltage regulator? Low-dropout regulators have the advantage of maintaining a stable output voltage even when the input voltage is close to the output voltage, ensuring efficient power delivery. 2. What are the key components of a low-dropout regulator circuit? The main components include power transistors, error amplifiers, and loop gain amplifiers, which work together to regulate the output voltage for a load.

Original Abstract Submitted

a low-dropout regulator includes a first power transistor, where the first power transistor is a first nmos transistor, a drain of the first nmos transistor is coupled to a power supply end, a source of the first nmos transistor is configured to provide an output current for a load, and a gate of the first nmos transistor is configured to receive a second feedback voltage; an error amplifier, where the error amplifier is a common-gate amplifier and is configured to generate a first feedback voltage based on an output voltage provided for the load and a reference voltage; and a loop gain amplifier, where the loop gain amplifier is a common-source amplifier and is configured to generate the second feedback voltage based on the first feedback voltage.