SI8605 Datasheet, PDF (13/40 Pages) Silicon Laboratories – BIDIRECTIONAL IC ISOLATORS WITH UNIDIRECTIONAL DIGITAL CHANNELS

Si860x
Table 11. Thermal Characteristics
Parameter
IC Junction-to-Air Thermal Resistance
400
Symbol
_JA
NB SOIC-
8
140
NB SOIC-
16
105
WB SOIC-
16
100
Unit
°C/W
300 ₂₇₀
200 ₁₆₀
100
AVDD, BVDD = 3.6 V
AVDD, BVDD = 5.5 V
0
0
50
100
150
200
Case Temperature (ºC)
Figure 4. NB SOIC-8 Thermal Derating Curve, Dependence of Safety Limiting Values
with Case Temperature per DIN EN 60747-5-2
500
400
350
300
210
200
100
AVDD , BVDD = 3.6 V
AVDD , BVDD = 5.5 V
0
0
50
100
150
200
Temperature (ºC)
Figure 5. NB SOIC-16 Thermal Derating Curve, Dependence of Safety Limiting Values
with Case Temperature per DIN EN 60747-5-2
Rev. 1.4
13