ATA6621-EK Atmel, ATA6621-EK Datasheet - Page 9

• Manufacturer Part Number: ATA6621-EK
• Description: MCU, MPU & DSP Development Tools Demoboard LIN SBC
• Manufacturer: Atmel

4970B–AUTO–03/11
Figure
regulator as a function of the supply voltage (V
(R
Figure 3-2.
Figure 3-3.
Figure 3-4.
thJA
) of the external NPN transistor T1.
3-2,
Figure 3-3
I
I
I
max
max
max
versus V
versus V
versus V
and
14 0 0
12 0 0
10 0 0
3 0 0
2 0 0
3 50
2 50
8 0 0
6 0 0
4 0 0
2 0 0
10 0
150
6 0 0
4 0 0
3 0 0
2 0 0
50 0
50
10 0
0
0
0
10
Figure 3-4
10
10
S
S
S
at R
at R
at R
thJA
thJA
thJA
12
12
12
= 80K/W (No Additional Cooling)
= 50K/W (Additional Cooling)
= 20K/W (Additional Cooling)
T
T
T
T
a
T
show the maximum output current (I
T
a
a
a
T
T
a
= 125˚C
= 85˚C
= 125˚C
a
T
= 85˚C
a
a
= 125˚C
= 25˚C
a
= 85˚C
= 25˚C
= 25˚C
14
14
14
Atmel ATA6621/22/24/26
S
V
V
V
) at different coolings or thermal resistances
S
S
S
(V)
(V)
(V)
16
16
16
18
18
18
2 0
2 0
2 0
max
) of the voltage
9