5.1.2.4 Maximum Package Power

Dissipation at +60°C Ambient Temperature.

Equation 5-10. Maximum Allowable Dissipation at +60°C Ambient Temperature

5-Lead SOT-223 (θJA = 68.3°C/W):

PD(MAX)=150°C-60°C68.3°C/W
PD(MAX)=1.317W