SI871X Datasheet, PDF (11/35 Pages) Silicon Laboratories – Industrial automation

Si871x/2x
Table 8. Thermal Characteristics
Parameter
IC Junction-to-Air Thermal
Resistance
Symbol
_JA
SOIC-8
110
Typ
DIP8
110
SDIP6
105
Unit
ºC/W
1200
1000
Ps(mW)
800
600
Is(mA)
400
200
0
0
20
40
60
80
100
120
140
TsͲ CaseTemperature(°C)
Figure 3. (SOIC-8) Thermal Derating Curve, Dependence of Safety Limiting Values
with Case Temperature per DIN EN 60747-5-2 and VDE0884-10
1200
1000
Ps(mW)
800
600
Is(mA)
400
200
0
0
20
40
60
80
100
120
140
TsͲ CaseTemperature(°C)
Figure 4. (DIP8) Thermal Derating Curve, Dependence of Safety Limiting Values
with Case Temperature per DIN EN 60747-5-2 and VDE0884-10
Rev. 1.0
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