Datasheet

LM25011, LM25011-Q1
SNVS617G –APRIL 2009–REVISED FEBRUARY 2013 www.ti.com
THERMAL SHUTDOWN
The LM25011 should be operated so the junction temperature does not exceed 125°C. If the junction
temperature increases above that, an internal Thermal Shutdown circuit activates (typically) at 155°C, taking the
controller to a low power reset state by disabling the buck switch and taking the SS pin to ground. This feature
helps prevent catastrophic failures from accidental device overheating. When the junction temperature reduces
below 135°C (typical hysteresis = 20°C) normal operation resumes.
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