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  • TI Thinks Resolved

LM22675:Why I obeserved 6.4V at EN pin?

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Replies: 5

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Part Number: LM22675

Hi Expert,

I am using LM22675, and I connect EN pin to 24V Vin with a 100kR pull up resistor, and also connect EN pin to GND with a 4.7kR pull down resistor. 

Then I test the voltage at EN pin, and get 6.4V test result.

However, the maxim spec of EN voltage refer to datasheet is 6V, can you help me clear about why I get a 6.4V at EN pin? Is the pull up and pull down resistor value incorrect?

Thank you!

Rachel 

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