SI8421 Silicon Laboratories, SI8421 Datasheet - Page 16

• Manufacturer Part Number: SI8421
• Description: (SI8410 - SI8421) SINGLE & DUAL-CHANNEL DIGITAL ISOLATORS
• Manufacturer: Silicon Laboratories

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Si8410/20/21
16
Table 11. Thermal Characteristics
IC Junction-to-Case Thermal Resistance
IC Junction-to-Air Thermal Resistance
Device Power Dissipation*
*Note: The Si8420-C-IS is tested with V
square wave.
Figure 2. Thermal Derating Curve, Dependence of Safety Limiting Values
Parameter
100
75
50
25
0
0
78
with Case Temperature per DIN EN 60747-5-2
DD1
= V
50
DD2
Case Temperature (ºC)
Symbol
Preliminary Rev. 0.1
= 5.5 V, T
θ
θ
P
JC
JA
5.5 V
D
J
3.6 V
located at center of
= 150 °C, C
100
Test Condition
Thermocouple
package
L
= 15 pF, input a 150 Mbps 50% duty cycle
150
Min
—
—
—
2.75 V
Typ
100
210
—
200
Max
250
—
—
°C/W
°C/W
Unit
mW