Mike Harrison wrote:
>> This is one thing I like about the Microchip MCP1700 and MCP1702 LDOs.
>> They are guaranteed stable with 0 ESR output caps.
>
> Whearas the MCP1701 does specify a min ESR

Which is exactly why I didn't mention it.  I don't like the MCP1701 much.
It looks like it was a intermediate product on the way to the MCP1702.

> min ESR requirements are not all that common

Really?  Over half of the LDOs I've looked at don't allow 0 ESR output caps.
I'd say this issue is common.  Last time I looked into it was maybe a couple
of years ago, and at that time not a single one of the cheap asian LDOs were
specified to work with 0 ESR output cap.  Some ignored the issue which is
even worse.  Can you show me one that specifically says it works with a 0
ESR output cap?


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