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Part Number: TPS7A88-Q1
I have few question about TPS7A88-Q1 when out2 is not used?Could you support below?
Background: Use only one LDO (don't use out2). Want to reduce peripheral component.
・Should I connect cap to NR/SS2, or can I set OPEN/GND?
・Is there any pin which is forbidden to connect GND?
・Are there any precautions when not using out2?
These two LDO's operate completely independently of each other. If the 2nd LDO is not used at all, all of the pins can be connected to GND.
John Cummings 蔣康明Texas Instruments 德洲儀器Johncummings@ti.com
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In reply to JCHK:
Thank you for your response.
Could I ask additional question?
Does the unused pin connections affect output noise of 1st LDO?
I want to know if the connection method (GND/OPEN) affects noise, and which pins can affect noise.
In reply to Kai Sato:
We have not looked at this, but there should be no impact on the noise performance of the first LDO.
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