Rainbow Electronics ATA6631 - Manual (Page 15)

15
9165A–AUTO–11/09
ATA6629/ATA6631
Figure 6-2. Power Dissipation: Save Operating Area versus V
CC
Output Current and Supply
Voltage V
S
at Different Ambient Temperatures Due to R
thja
= 80 K/W
For programming purposes of the microcontroller, it is potentionally necessary to supply the V
CC
output via an external power supply while the V
S
Pin of the system basis chip is disconnected.
This behavior is no problem for the system basis chip.
0.00
8 9 10 11 12 1 3 14 15 1 8 19 16 17 5 6 7
10.00
20.00
3 0.00
40.00
50.00
60.00
T
a m b
= 8 5 ° C
T
a m b
= 105 ° C
T
a m b
= 95 ° C
V
S
(V)
I VCC
(mA)