Unlock instant, AI-driven research and patent intelligence for your innovation.

Dynamic Bias Control System

一种偏压控制、动态的技术，应用在控制/调节系统、仪器、调节电变量等方向，能够解决不正常、电路受损工作、LDO输出电压过高等问题

Active Publication Date: 2022-04-15
NUVOTON
View PDF5 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] A common linear regulator (LDO) will include an error amplifier. Due to the design specifications, the dominant pole will be at the output of the error amplifier under certain usage conditions. This will also cause the response speed of the error amplifier to become slower. When the load current has a large change, the output voltage of the LDO will also have a large change. When the error amplifier fails to respond in time, the output voltage of the LDO may be too high or too low. Damaged or malfunctioning electrical circuits

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Dynamic Bias Control System
  • Dynamic Bias Control System
  • Dynamic Bias Control System

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0047] The implementation of the present invention will be described in detail below in conjunction with the drawings and examples, so that the realization process of how to use technical means to solve technical problems and achieve technical effects in the present invention can be fully understood and implemented accordingly.

[0048] see figure 1 , which is a block diagram of the dynamic bias control system of the present invention. Such as figure 1 As shown, the dynamic bias control system includes a differential amplifier 30 , a first adjustable current source 20 and a second adjustable current source 40 . The dynamic bias control system is suitable for a linear voltage regulator 10, and can quickly adjust the driving current of the differential amplifier 30 and the error amplifier 101 of the linear voltage regulator 10 when the output voltage VOUT of the linear voltage regulator 10 changes significantly. driving current, thereby increasing the response speed of the lin...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The present invention proposes a dynamic bias control system suitable for a linear voltage regulator. The linear voltage regulator includes an error amplifier, and an output terminal of the linear voltage regulator outputs a first output voltage, and the error amplifier outputs a second output voltage. The dynamic bias voltage control system includes: the differential amplifier receives the first output voltage, and generates a control voltage according to the first output voltage; the first adjustable current source receives the second output voltage, and dynamically outputs a first output voltage according to the second output voltage current to drive the differential amplifier; the second adjustable current source receives the control voltage and dynamically outputs a second current according to the control voltage to drive the error amplifier.

Description

technical field [0001] The present invention relates to a bias voltage circuit, in particular to a dynamic bias voltage control system for a voltage regulator, thereby improving the response speed of the voltage regulator. Background technique [0002] A common linear regulator (LDO) will include an error amplifier. Due to the design specifications, the dominant pole will be at the output of the error amplifier under certain usage conditions. This will also cause the response speed of the error amplifier to become slower. When the load current has a large change, the output voltage of the LDO will also have a large change. When the error amplifier fails to respond in time, the output voltage of the LDO may be too high or too low. The circuit supplying power is damaged or malfunctioning. Contents of the invention [0003] In order to solve the above conventional technical problems, the present invention proposes a dynamic bias voltage control system, thereby effectively im...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): G05F3/26
CPCG05F3/26G05F1/575
Inventor 曾华俊
Owner NUVOTON