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TINA/Spice/TLV62095: TLV62095 output voltage issue

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Part Number:TLV62095

Tool/software:TINA-TI or Spice Models

Hi,

I am doing simulation with TLV62095, generating 1V power supply from a 5V input.

When the load is set to 0.3Ohm, it seems like the output voltage cannot go higher than 0.5V (dumping between 0 and 0.5V). There seems like a spike current on SS pin that caused the output droop.

If the load is changed to 0.5Ohm, output voltage become fine.

This part is a 4A power supply chip, I should have survived eve 0.25Ohm, why it failed in 0.3Ohm load?


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