SI8220 Datasheet, PDF (11/31 Pages) Silicon Laboratories – 0.5 AND 2.5 AMP ISODRIVERS WITH OPTO INPUT (2.5, 3.75, AND 5.0 KVRMS)

Si8220/21
Table 6. IEC Safety Limiting Values¹
Parameter
Symbol
Test Condition
Max
WB SOIC-16 NB SOIC-8
Case Temperature
T_S
150
150
Safety Input, Output, or
I_S
_JA = 140 °C/W (NB SOIC-8),
50
40
Supply Current
100 °C (WB SOIC-16),
V_I = 5.5 V, T_J = 150 °C, T_A = 25 °C
Device Power Dissipation²
P_D
1.2
1.2
Notes:
1. Maximum value allowed in the event of a failure; also see the thermal derating curve in Figures 5 and 6.
2. The Si822x is tested with V_O = 24 V, T_J = 150 ºC, C_L = 200 pF, input a 2 MHz 50% duty cycle square wave.
Unit
°C
mA
W
Table 7. Thermal Characteristics
Parameter
IC Junction-to-Air Thermal
Resistance
Symbol
_JA
Typ
WB SOIC-16 NB SOIC-8
100
140
Unit
ºC/W
60
50
40
VDD = 24 V
30
20
10
0
0
50
100
150
200
Case Temperature (ºC)
Figure 4. (WB SOIC-16) Thermal Derating Curve, Dependence of Safety Limiting Values
with Case Temperature per DIN EN 60747-5-5
Rev. 1.5
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