The PG output is low when the output voltage is below 90% of its nominal value. The PG pin becomes highimpedance once the output is higher than 95% of its nominal voltage. The PG pin is an open drain output and isspecified to sink up to 500 µA. This PG output requires a pull-up resistor that cannot be connected to any voltagehigher than 5.5 V. PG is held low when the device is disabled by the EN pin and thermal shutdown.