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some questions of “Control TEC with ADN8830”

Question asked by weijunta on Apr 27, 2015
Latest reply on Apr 29, 2015 by ytu

捕获.JPG

it's the schematic.

there are some questions.

1、the schematic is right?

2、the voltage of VREF(pin7)can't reach 2.5V,only about 1V.【VCC=5V】

3、4 MOSFETs can be turned on only three.

4、the voltage of pin12 Doesn’t equal the  Twenty times the second pin and the fourth pin of the voltage difference +1.5V。

...........

 

what should I do to solve these problem.

thanks to answer.

 

 

For a Chinese, English is really hard to ask questions

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