Rainbow-electronics BA3940A Manuel d'utilisateur télécharger pdf (Page 7)

FExternal dimensions (Units: mm)

198

Regulator ICs BA3940A

FThermal derating curve

Estimate of allowable power dissipation (P

MAX.)

S Power consumed by OUT 7V P

1 = (VCC  7V)  maximum load current of OUT 7V

S Power consumed by OUT 5V P

2 = (VCC  5V)  maximum load current of OUT 5V

S Power consumed by OUT 9V P

3 = (VCC  9V)  maximum load current of OUT 9V

S Power consumed internally by each circuit P

4 = VCC  supply current

MAX. = P1  P2  P3  P4

1 2 3 4 5 6 7

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Rainbow-electronics BA3940A Manuel d'utilisateur Page 7