Datasheet

TPS56221
www.ti.com SLUSAH5B –MARCH 2011–REVISED SEPTEMBER 2012
Thermal Shutdown
If the junction temperature of the device reaches the thermal shutdown limit of 145°C, both high-side FET and
low-side FET are kept off. When the junction cools to the required level (125°C typical), the PWM initiates soft
start as during a normal power-up cycle.
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