This is valid for devices where foldback current limit is enabled. Contact Texas Instruments for more information on this option.

When the device detects current limit for more than 1024 subsequent switching cycles, it reduces the current limit from the nominal value to typically 1.3 A. Foldback current limit is left when the current limit indication goes away. If device operation continues in current limit, after 3072 switching cycles, it tries for full current limit for 1024 switching cycles.