SI8440 SILABS [Silicon Laboratories], SI8440 Datasheet - Page 12

• Manufacturer Part Number: SI8440
• Description: QUAD-CHANNEL DIGITAL ISOLATOR
• Manufacturer: SILABS [Silicon Laboratories]

Si8440/1/2
Table 9. DIN EN 60747-5-2 (VDE 0884 Part 2) Insulation Characteristics
12
Description
Installation Classification per DIN VDE 0110
Climatic Classification
Pollution Degree (DIN VDE 0110, Table 1)
Maximum Working Insulation Voltage
Input to Output Test Voltage, Method b1
(V
charge < 5 pC)
Input to Output Test Voltage, Method a
Highest Allowable Overvoltage (Transient Overvoltage, t
Safety-Limiting Values (Maximum value allowed in the event of a failure;
also see the thermal derating curve, Figure 3)
Insulation Resistance at T
Notes:
IORM
1. This isolator is suitable for basic electrical isolation only within the safety limit data. Maintenance of the safety data is
2. The * marking on packages denotes DIN EN 60747-5-2 approval for 560 V peak working voltage.
ensured by protective circuits.
For Rated Mains Voltages < 150 V
For Rated Mains Voltages < 300 V
For Rated Mains Voltages < 400 V
After Environmental Tests Subgroup 1
(V
After Input and/or Safety Test Subgroup 2/3
(V
Case Temperature
Side 1 Current
Side 2 Current
x 1.875 = V
IORM
IORM
Figure 3. Thermal Derating Curve, Dependence of Safety Limiting Values
x 1.6 = V
x 1.2 = V
PR
, 100% Production Test, t
PR
PR
S
, t
, t
, V
m
m
with Case Temperature per DIN EN 60747-5-2
IO
= 60 sec, Partial Discharge < 5 pC)
= 60 sec, Partial Discharge < 5 pC)
= 500 V
350
300
250
200
150
100
50
0
0
RMS
RMS
RMS
m
50
= 1 sec, Partial Dis-
SIDE #1
Rev. 0.3
Case Temperature (ºC)
SIDE #2
TR
= 10 sec)
100
150
Symbol
V
V
V
V
IORM
I
I
R
T
S1
S2
PR
PR
TR
S
S
200
1,2
Characteristic
40/125/21
1050
4000
>10
560
896
672
150
265
335
I-IV
I-III
I-II
2
9
V
V
V
V
V
Unit
PEAK
PEAK
PEAK
PEAK
PEAK
mA
mA
ºC
Ω