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Voltage regulator circuit

A voltage regulation circuit, voltage value technology, applied in the direction of regulating electrical variables, control/regulating systems, electrical components, etc., can solve cumbersome and other problems

Inactive Publication Date: 2013-06-05
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the past, the voltage value was usually adjusted by welding resistors with different resistance values, which was often extremely cumbersome

Method used

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Experimental program
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Embodiment Construction

[0015] refer to figure 1 , the preferred embodiment of the voltage regulating circuit of the present invention is used to provide different voltage values ​​to an electronic component 1 to test the electronic component 1 . A preferred embodiment of the voltage regulation circuit includes an analog / digital (A / D) converter 10 , a single chip 12 , a voltage display unit 15 , a keyboard 16 and a programmable resistor 18 .

[0016] The input terminal of the programmable resistor 18 is connected to an external power supply 100 with a first voltage value, and is used to adjust the first voltage value of the external power supply 100 to a second voltage value, and through its output terminal, the electronic component 1 powered by.

[0017] Both the keyboard 16 and the programmable resistor 18 are connected to the single-chip microcomputer 12 . The keyboard 16 is used to set the adjustment parameter of the programmable resistor 18, that is, the second voltage value. The single-chip ...

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Abstract

A voltage regulator circuit comprises a programmable resistor, a keyboard and a single chip computer. An input end of the programmable resistor is connected with an outer power source provided with a first voltage value so that the first voltage value of the outer power source is adjusted to a second voltage value. An output end of the programmable resistor is used for outputting the second voltage value. The single chip computer, the keyboard and the programmable resistor are respectively connected. The keyboard is used for setting an adjusting parameter of the programmable resistor. The single chip computer is used for adjusting a resistance value of the programmable resistor according to input information of the keyboard so that the voltage value of the outer power source changes to be the set second voltage value after adjustment of the programmable resistor. The voltage regulator circuit is capable of adjusting the voltage value output by the output end of the programmable resistor conveniently.

Description

technical field [0001] The invention relates to a voltage regulating circuit. Background technique [0002] When testing electronic products, reliability testing is one of the more important tests. This test needs to increase or decrease the rated operating voltage of the electronic product, and check whether the electronic product can work normally for a long time under the increased or decreased voltage. In the past, the voltage value was usually adjusted by welding resistors with different resistance values, which was often extremely cumbersome. Contents of the invention [0003] In view of the above, it is necessary to provide a more convenient voltage regulation circuit. [0004] A voltage regulation circuit comprising: [0005] A programmable resistor, the input end of which is connected to an external power supply with a first voltage value for adjusting the first voltage value of the external power supply to a second voltage value, and the output end of the prog...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05F1/46G05B19/042
CPCG05B19/042G05F1/46G06F3/023G06F1/26H02M3/06H02M3/00
Inventor 付迎宾陈元喜
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD