SNOSDC0A October 2020 – December 2020 LM7310
The LM73100 implements undervoltage protection on IN in case the applied voltage becomes too low for the system or device to properly operate. The undervoltage protection has a default lockout threshold of VUVP which is fixed internally. Apart from that, the UVLO comparator on the EN/UVLO pin allows the undervoltage Protection threshold to be externally adjusted to a user defined value. The Figure 7-1 and Equation 1 below show how a resistor divider can be used to set the UVLO set point for a given voltage supply.