Regulator ICs
FOutput voltage setting
FApplication example
BA3960
FEstimate of allowable power dissipation
Except under transitional conditions, the power dissipa-
tion of this IC is 2.2W per unit at 25_C.
See Fig. 5 for thermal derating characteristics, including
some cases where heat sinks are used.
PMAX. calculation
S Power consumed by ACTIVE 1 P1 = (VCC * set output voltage) maximum output voltage
S Power consumed by ACTIVE 2 P2 = (VCC * set output voltage) maximum output voltage
S Power consumed internally by each circuit P3 = VCC circuit current
PMAX. = P1 ) P2 ) P3
139