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A three-terminal fixed positive output voltage regulator and manufacturing method

A voltage regulator, positive output technology, used in instruments, regulating electrical variables, control/regulating systems, etc., can solve problems such as unstable performance and smaller size of voltage regulators, improve radiation resistance performance, and reduce current. Density, effect of increasing load capacity

Active Publication Date: 2022-07-08
WUXI TIANHE ELECTRONICS
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In order to solve the problem of unstable performance caused by the smaller size of the voltage regulator, the present invention provides a three-terminal fixed positive output voltage regulator, which has high integration, small size, high temperature stability, and stable performance. Widely used in various instruments and electronic equipment

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  • A three-terminal fixed positive output voltage regulator and manufacturing method
  • A three-terminal fixed positive output voltage regulator and manufacturing method
  • A three-terminal fixed positive output voltage regulator and manufacturing method

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Embodiment Construction

[0054] The present invention is a three-terminal fixed positive output voltage regulator, which comprises: an output terminal, an input terminal, and a common terminal, and a subunit of the regulator is arranged on the integrated circuit die between the input terminal and the output terminal. Structure, the subunit structure of the regulator includes: start-up circuit 1, reference voltage source 2, adjustment tube module 3, sampling circuit 4, overheat protection unit 5, safe working area protection unit 6, constant current source circuit 7, error amplifier 8; like figure 1 As shown, the starting circuit 1, the voltage reference circuit of the reference voltage source 2, the adjustment circuit of the regulating tube module 3, the sampling circuit 4, the overheating protection circuit of the overheating protection unit 5, the safe working area protection circuit of the safe working area protection unit 6, The connection relationship of the constant current source circuit 7 is: ...

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Abstract

The invention provides a three-terminal fixed positive output voltage regulator, which has high integration, small size, high temperature stability, and stable performance, and can be widely used in various instruments and electronic equipment. It includes: an input terminal, an output terminal, and a common terminal. On the integrated circuit die between the input terminal and the output terminal, a sub-unit structure of the regulator is arranged, and the sub-unit structure of the regulator includes: : startup circuit, constant current source circuit, reference voltage source, error amplifier, adjusting tube module, sampling circuit, overheating protection unit, safe working area protection unit; at the same time, this patent also discloses a three-terminal fixed positive output voltage regulator production method.

Description

technical field [0001] The invention relates to the technical field of power management, in particular to a three-terminal fixed positive output voltage regulator and a manufacturing method. Background technique [0002] In various instruments and electronic equipment, integrated circuit (IC) chips may include components with different operating voltages; however, usually a chip usually only provides a power supply of a fixed voltage. Therefore, a voltage regulator is usually set on the chip to convert the fixed voltage provided by the power supply into the working voltage of various components. In actual production and life, in order to adapt to the changes in the volume of electronic equipment gradually becoming smaller, the integration of chips and voltage regulators has also become higher and the volume has become smaller. However, the smaller size of the voltage regulator will bring about difficulties in heat dissipation, increased current density in each device, and i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05F1/567
CPCG05F1/567
Inventor 张宝华
Owner WUXI TIANHE ELECTRONICS