Operation of a voltage regulator TPS62740 from texas instruments

Hello, I am working with a Voltage regulator TPS62740 from Texas Instruments. I am applying the regulator in my circuit to provide step-down voltage in my circuit. Now, the regulator's recommended operating voltage is 2.2 - 5 volts. My circuit works from 1.8 - 3.6 volts. Can anyone please assist me by looking into the datasheet of the regulator that what will the regulator do if the voltage drops below 2.2 volts in the circuit.

9.3.7 Undervoltage Lockout UVLO
The device includes an under-voltage lockout (UVLO) comparator which prevents the device from misoperation
at too low input voltages. The UVLO comparator becomes active once the device is enabled with EN set to high.
Once the input voltage trips the UVLO threshold VTH_UVLO+ (typically 2.075V) for rising VIN, the UVLO comparator
releases the device for start up and operation. With a falling input voltage, the device operates down to the
UVLO threshold level VTH_UVLO- (typically 1.925V). Once this threshold is tripped, the device stops switching, the
load switch at pin LOAD is disabled and both rails, VOUT and LOAD are discharged. The converter starts
operation again once the input voltage trips the rising UVLO threshold level VTH_UVLO+. From the data sheet. Second the last sentence  describes what happens,cheers,Richard

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