there is a confusing about PFI and PFO behavior.
In the block diagram, when the PFI is greater than 1.25V ref. voltage, the /PFO pill is active low, correct?
there is a confusing about PFI and PFO behavior.
In the block diagram, when the PFI is greater than 1.25V ref. voltage, the /PFO pill is active low, correct?
Hi Brian,
The PFI is an under voltage detector the same as SENSE1 and SENSE2. PFO will assert, active low, when PFI is below 1.25V.
Jesse