Part Number: TPS2595
I am using the TPS259540 in several parts of one project. When input voltage is 12V everything works smoothly, I can shortcircuit or force an overcurrent on any output and the IC will behave as expected. When using lower voltages (5V or 3.3V), the current trip seems to occur but instead of turning off the output, a 300mA output remains active, with no relation to the current setting. I have tried with 1A output and 1.5A output with no difference on outcome. Using an active load I can correctly archeive 1A or 1.5A outputs, but when I go over those values the current 'resets' to 300mA and the FLT pin never triggers, no matter how hot the device gets. Again, raising Vin to +12V and trying the exact same experiment results on a correct behaviour.
I am using 1uF as input/output capacitors, 3.3nF as dVdt capacitor, 10k/12Kk as the voltage divider for UVLO, and 1.33k as Rilim.
Is there a way to solve this, or is that an expected outcome?