Rainbow Electronics BA3940A - Manual (Page 7)

F
External dimensions (Units: mm)
198
Regulator ICs BA3940A
F
Thermal derating curve
Estimate of allowable power dissipation (P
MAX.
)
S
Power consumed by OUT 7V P
1
= (V
CC
*
7V) maximum load current of OUT 7V
S
Power consumed by OUT 5V P
2
= (V
CC
*
5V) maximum load current of OUT 5V
S Power consumed by OUT 9V P
3
= (V
CC
* 9V) maximum load current of OUT 9V
S
Power consumed internally by each circuit P
4
= V
CC
supply current
P
MAX.
= P1
)
P2
)
P3
)
P4