ATA6622 ATMEL Corporation, ATA6622 Datasheet - Page 14

• Manufacturer Part Number: ATA6622
• Description: LIN Bus Transceiver with 3.3V (5V) Regulator and Watchdog
• Manufacturer: ATMEL Corporation

14
ATA6622/ATA6624/ATA6626 [Preliminary]
Figure 5-1.
Figure 5-2.
For programming purposes of the microcontroller it is potentially neccessary to supply the V
output via an external power supply while the V
This behavior is no problem for the system basis chip.
5.5V/3.8V
5V/3.3V
5V/3.3V
NRES
VCC Voltage Regulator: Ramp-up and Undervoltage Detection
Power Dissipation: Safe Operating Area versus VCC Output Current and Supply
Voltage V
V
12V
VS
thun
S
6 0
4 0
3 0
2 0
50
10
0
at Different Ambient Temperatures Due to R
3
T
VCC
5
7
T
Reset
9
S
DRAFT
Pin of the system basis chip is disconnected.
11
V
S
T
/V
amb
= 125˚C
13
15
T
amb
17
= 105˚C
thja
19
= 35 K/W
T
res_f
4986B–AUTO–07/07
t
t
t
CC