Novel synchronous voltage-reducing voltage stabilizer

A synchronous step-down and voltage regulator technology, applied in the electronic field, can solve the problems of large noise, complex circuit, low efficiency, etc., and achieve the effect of low cost and stable design performance

Inactive Publication Date: 2017-05-10
STATE GRID CORP OF CHINA +1
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Problems solved by technology

The DC output voltage of the linear regulator has small ripples, low electrical noise, simple circuit, high reliability, and good voltage stability, but low efficiency. It is used in applications requiring high voltage accuracy or low power
The switching regulator has high efficiency, but the circuit is complex and generates large noise, so it is not suitable for applications such as radios, measuring instruments, and medical equipment for weak signal processing

Method used

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  • Novel synchronous voltage-reducing voltage stabilizer

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Embodiment Construction

[0008] The present invention includes: a rectifier circuit 1, a filter circuit 2, a main control circuit 3, a voltage stabilization circuit 4, a power supply circuit 5, and a protection circuit 6; the voltage stabilization circuit is programmable controlled by the main control circuit, and the output voltage is controlled by instructions and current magnitude.

[0009] According to different needs, it can be debugged in advance and then installed where needed. For example, if it is installed in the communication room, you can directly insert the reserved power plug into the fixed socket in the communication room, and then the voltage stabilizer can work normally. The output voltage and output current can be debugged before on-site installation. It only needs to be programmed and controlled according to the required voltage and current. After reaching the required parameters, it can work stably.

[0010] Summary: The voltage stabilizer has low cost and is convenient to operate...

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Abstract

The invention relates to a novel synchronous voltage-reducing voltage stabilizer which is characterized by comprising a rectifying circuit, a filter circuit, a master control circuit, a voltage stabilizing circuit, a power supply circuit and a protective circuit, wherein the voltage stabilizing circuit is subjected to programmable control of the master control circuit and controls the voltage and current which can be output through a command. According to the novel synchronous voltage-reducing voltage stabilizer provided by the invention, the voltage stabilizing circuit is subjected to programmable control of the master control circuit and controls the voltage and current which can be output through the command, so that the novel synchronous voltage-reducing voltage stabilizer is stable in design performance and low in cost and is worth being popularized in a large area.

Description

technical field [0001] The invention belongs to the field of electronic technology, in particular to a power supply voltage stabilizing device. Background technique [0002] In the small-signal amplifying circuit composed of OP series amplifiers, the change of the power supply voltage is often superimposed on the input signal, and then causes signal changes or noise, resulting in the accuracy or stability of the circuit not meeting the requirements. It can be seen that the change of power supply voltage is an important factor affecting the performance and reliability of electronic equipment. According to the needs of electronic equipment, making a suitable regulated power supply is an important part of electronic circuit design. At the same time, there are mainly two types of DC stabilized power supplies: linear regulators and switching regulators. The DC output voltage of the linear regulator has small ripples, little electrical noise, simple circuit, high reliability, an...

Claims

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Application Information

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IPC IPC(8): G05F1/46G05B19/04
CPCG05F1/46G05B19/04
Inventor 孟干葛军闫丹孟强龙褚旋汤红李莉
Owner STATE GRID CORP OF CHINA
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