SI845X Datasheet, PDF (17/36 Pages) Silicon Laboratories – LOW POWER FIVE-CHANNEL DIGITAL ISOLATOR

Si8450/51/52/55
Table 11. Thermal Characteristics
Parameter
IC Junction-to-Air Thermal Resistance
Symbol
_JA
Typ
NB SOIC-16
105
Unit
°C/W
500
430
400
360
d ₃₀₀
e ₂₁₅
200
nd ₁₀₀
V_DD1, V_DD2 = 2.70 V
V_DD1, V_DD2 = 3.6 V
V_DD1, V_DD2 = 5.5 V
e _{ns 0}
0
50
100
150
200
m _{ig Temperature (ºC)}
m ^{s Figure 3. (NB SOIC-16) Thermal Derating Curve, Dependence of Safety Limiting Values}
Not ^{Rfoer cNoew De with Case Temperature per DIN EN 60747-5-2}
Rev. 1.5
17