VN800S / VN800PT Electrical specifications
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2.2 Thermal data
Symbol Parameter
Value
Unit
SO-8 PPAK
E
MAX
Maximum switching energy
(L = 77.5mH; R
L
=0Ω; V
bat
=13.5V; T
jstart
=150ºC;
I
L
= 1.5A)
121 - mJ
E
MAX
Maximum switching energy
(L=125mH; R
L
=0Ω; V
bat
=13.5V; T
jstart
=150ºC;
I
L
= 1.5A)
-195mJ
P
tot
Power dissipation T
C
=25°C 4.2 41.7 W
T
j
Junction operating temperature Internally limited °C
T
c
Case operating temperature - 40 to 150 °C
T
stg
Storage temperature - 55 to 150 °C
L
max
Max inductive load (V
CC
= 30V; I
LOAD
= 0.5A;
T
amb
= 100°C;
Rth
case > ambient
≤ 25°C/W)
2
Table 3. Absolute maximum ratings (continued)
Table 4. Thermal data
Symbol Parameter
Max. value
Unit
S0-8 PPAK
R
thj-case
Thermal resistance junction-case - 3 °C/W
R
thj-lead
Thermal resistance junction-lead 30 - °C/W
R
thj-amb
Thermal resistance junction-ambient
93
(1)
1. When mounted on FR4 printed circuit board with 0.5 cm
2
of copper area (at least 35µm thick) connected to
all V
CC
pins.
78
(2)
2. When mounted on FR4 printed circuit board with 0.5 cm
2
of copper area (at least 35µm thick) connected to
all V
CC
pins.
°C/W
82
(3)
3. When mounted on FR4 printed circuit board with 2 cm
2
of copper area (at least 35µm thick).
45
(4)
4. When mounted on FR4 printed circuit board with 6 cm
2
of copper area (at least 35µm thick).
°C/W
