Rainbow Electronics ATA6625 - Manual (Page 12)

12
4957E–AUTO–10/07
ATA6623/ATA6625
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 potentially neccessary 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 13 14 15 18 19 16 17 5 6 7
10.00
20.00
30.00
40.00
50.00
60.00
Iout_85: T
amb
= 85 ° C
Iout_105: T
amb
= 105 ° C
Iout_85: T
amb
= 95 ° C
V
S
(V)
I VCC
(mA)