SI8441AB-D-IS Datasheet, PDF (17/38 Pages) Silicon Laboratories – LOW-POWER QUAD-CHANNEL DIGITAL ISOLATOR

Si8440/41/42/45
Table 11. Thermal Characteristics
Parameter
Symbol
IC Junction-to-Air Thermal _JA
Resistance
Test Condition
Typ
Min _WB
NB ^Max
SOIC-16 SOIC-16
—
100
105
—
Unit
ºC/W
500
450
400
370
300
220
200
100
V_DD1, V_DD2 = 2.70 V
V_DD1, V_DD2 = 3.6 V
V_DD1, V_DD2 = 5.5 V
0
0
50
100
150
200
Temperature (ºC)
Figure 3. (WB SOIC-16) Thermal Derating Curve, Dependence of Safety Limiting Values
with Case Temperature per DIN EN 60747-5-2
500
430
400
360
300
210
200
100
V_DD1, V_DD2 = 2.70 V
V_DD1, V_DD2 = 3.6 V
V_DD1, V_DD2 = 5.5 V
0
0
50
100
150
200
Temperature (ºC)
Figure 4. (NB SOIC-16) Thermal Derating Curve, Dependence of Safety Limiting Values
with Case Temperature per DIN EN 60747-5-2
Rev. 1.5
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