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A Transient Response Circuit of Switching Regulator

A switching voltage regulator and transient response technology, which is applied in the direction of instruments, electrical components, and electric variable adjustment, can solve the problems of poor transient response capability, large influence, and low reliability, and achieve fast response and transient response. Responsive, reliable results

Active Publication Date: 2020-10-09
AMOLOGIC (SHANGHAI) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, traditional switching regulators controlled by PWM technology are greatly affected by the load, have poor transient response capability, and cannot provide a sufficiently stable power supply for the load, resulting in a high probability of power problems and low reliability.

Method used

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  • A Transient Response Circuit of Switching Regulator
  • A Transient Response Circuit of Switching Regulator
  • A Transient Response Circuit of Switching Regulator

Examples

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Embodiment Construction

[0035] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0036] Such as figure 1 As shown, in a preferred embodiment, a transient response circuit of a switching regulator is proposed, which may include:

[0037] Step-down module 10, comprising:

[0038] A signal input terminal INT for receiving input signals and a signal output terminal OUT for outputting output signals;

[0039] The main circuit 11 is connected in series between the signal input terminal INT and the signal output terminal OUT;

[0040] A first MOS t...

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PUM

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Abstract

The invention relates to the field of power electronic technologies, and particularly relates to a transient response circuit of a switching voltage stabilizer. The transient response circuit comprises a voltage reduction module, a first acquisition module, a second acquisition module, a third acquisition module, a comparison module and a pulse width modulation module, wherein the comparison module compares a superposition signal of a gating signal and a feedback signal with an acquisition signal and outputs a comparison signal through a comparison output end; and the second acquisition moduleoutputs a gating signal of a first state when the acquired output signal is higher than a preset value and outputs a gating signal of a second state when the output signal is lower than the preset value. The transient response circuit is high in transient response ability, high in response speed and high in reliability.

Description

technical field [0001] The invention relates to the technical field of power electronics, in particular to a transient response circuit of a switching regulator. Background technique [0002] With the rapid development of microelectronics technology, switching regulators are widely used in various occasions due to their advantages such as simple circuit structure, convenient adjustment, and high reliability. Switching regulators often use PWM (Pulse Width Modulation) control mode, which has Good noise reduction advantage. [0003] However, traditional switching regulators controlled by PWM technology are greatly affected by the load, have poor transient response capability, and cannot provide a sufficiently stable power supply for the load, resulting in a high probability of power problems and low reliability. . Contents of the invention [0004] In view of the above problems, the present invention proposes a transient response circuit of a switching voltage regulator, w...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02M3/156
CPCH02M3/156
Inventor 樊茂
Owner AMOLOGIC (SHANGHAI) CO LTD
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