ZHCSCL5D january 2014 – may 2023 TPS65262
PRODUCTION DATA
The PGOOD pin is an open drain output. After feedback voltage of each buck is between 95% (rising) and 105% (falling) of the internal voltage reference, the PGOOD pin pull-down is de-asserted and the pin floats. It is recommended to use a pull-up resistor between the values of 10 and 100 k? to a voltage source that is 5.5 V or less. The PGOOD is in a defined state after the VIN input voltage is greater than 1 V, but with reduced current sinking capability. The PGOOD achieves full current sinking capability after the VIN input voltage is above UVLO threshold, which is 4.25 V.
The PGOOD pin is pulled low when any feedback voltage of buck is lower than 92.5% (falling) or greater than 107.5% (rising) of the nominal internal reference voltage. Also, the PGOOD is pulled low, if the input voltage is under-voltage locked up, thermal shutdown is asserted, the EN pin is pulled low or the converter is in a soft-start period.