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TPS62175 - Utilizing Enable pin for starting off at a set input voltage.

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Hi,

I am powering up the EVM with a 10mA current limited supply and am seeing the TPS output go into hiccup mode if I start off with a load of 150 ohm (22mA).

The power supply is ramping up very slowly as it has to charge 1200uF caps.

I am thinking this could be the problem and would like to wait for the voltage to ramp up and then turn on, instead of at 5V when the TPS starts off on its own.

This converter does not have a soft start, so that cannot be changed, but can I use the EN pin assuming that the Vmin for turn on at this pin is guaranteed to be 0.9V?

Thanks,

Ashvin.


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