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Voltage regulation circuit

A voltage regulating circuit and resistance technology, applied in the direction of regulating electric variables, control/regulation systems, instruments, etc., can solve the problems of unsuitable integrated circuits, large power consumption, large thyristor area, etc., and achieve small circuit body and high power The effect of low power consumption and simple circuit structure

Inactive Publication Date: 2014-03-26
ZHENGZHOU DANDIAN TECH SOFTWARE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Thyristors are generally used as voltage regulating parts in existing circuits, but the thyristors have a large area, generate large heat, and consume large power, which is not suitable for integrated circuits at all. Generally, a voltage regulating circuit is connected outside the chip.

Method used

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  • Voltage regulation circuit

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Embodiment Construction

[0008] Below in conjunction with accompanying drawing, the present invention is described in detail.

[0009] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0010] like figure 1 Shown is the circuit principle diagram of the voltage regulating circuit of the present invention.

[0011] Combine below figure 1 The connection relationship between the above-mentioned electronic components of the present invention is described in detail: a voltage regulating circuit, which includes an NMOS transistor Q1, an NPN bipolar transistor T1, a first resistor R1, a second resistor R2, an adjustable resistor RW1 and Schottky barrier diode Z1; the gate of the NMOS ...

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Abstract

The invention discloses a voltage regulation circuit which comprises an N-channel metal oxide semiconductor (NMOS) transistor, a non-protein nitrogen (NPN) bipolar transistor, a first resistor, a second resistor, an adjustable resistor and a Schottky barrier diode, wherein a grid electrode of the NMOS transistor is connected to a voltage source through the first resistor and connected to the ground through the adjustable resistor, a source electrode of the NMOS transistor is connected with the ground, a drain electrode of the NMOS transistor is connected to a negative electrode end of the Schottky barrier diode, a base electrode of the NPN bipolar transistor is connected to the voltage source through the second resistor, a positive electrode of the Schottky barrier diode is connected with the ground, a source electrode of the NPN bipolar transistor is connected with the ground, and a collector electrode of the NPN bipolar transistor serves as a negative electrode of an output end. The voltage regulation circuit is small in size, low in power consumption, high in speed, suitable for integration and simple in structure.

Description

technical field [0001] The invention relates to a voltage regulating circuit. Background technique [0002] The voltage regulator is a circuit module often used in the circuit, which is used to adjust the function voltage of the circuit. Thyristors are generally used as voltage regulating parts in existing circuits, but the thyristors have a large area, generate large amounts of heat, and consume large power, so they are not suitable for integrated circuits at all. Generally, a voltage regulating circuit is connected outside the chip. Contents of the invention [0003] The object of the present invention is to provide a voltage regulating circuit with a MOS structure in view of the above existing problems. [0004] The technical scheme adopted by the present invention is as follows: a voltage regulating circuit of the present invention, which circuit includes an NMOS transistor, an NPN bipolar transistor, a first resistor, a second resistor, an adjustable resistor and a S...

Claims

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Application Information

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IPC IPC(8): G05F1/56
Inventor 周晓东王晓娟王纪云
Owner ZHENGZHOU DANDIAN TECH SOFTWARE
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