TL432: Ika vs Vref in open loop configuration?

Tool/software:

Hi TI,

Do you have any information about the cathode current as a function of the VREF when operating in open loop? (using the TL432 as an under-voltage protection application).

My design uses the TL432 to detect if the input voltage is high enough and if so it will pull down the base of a PNP transistor. I was having the issue that when VREF rises to around 2.2V the PNP already turned on because of the cathode current is not 0mA when VREF is below the reference voltage of 2.495V.

I need the graph of the cathode current as a function of the voltage on the REF pin when operating in an open loop configuration to design the circuit with sufficient margins.

Thank you.