Datasheet

ADM2485
Rev. A | Page 7 of 20
VDE 0884-2 INSULATION CHARACTERISTICS
This isolator is suitable for basic electrical isolation only within the safety limit data. Maintenance of the safety data must be ensured by
means of protective circuits.
An asterisk (*) on packages denotes DIN V VDE V 0884-10 approval.
Table 6.
Description Symbol Characteristic Unit
Installation Classification per DIN VDE 0110 for Rated Mains Voltage
≤150 V rms I to IV
≤300 V rms I to III
≤400 V rms I to II
Climatic Classification 40/85/21
Pollution Degree (DIN VDE 0110: 1989-01, Table 1) 2
Maximum Working Insulation Voltage V
IORM
560 V peak
Input-to-Output Test Voltage V
PR
Method B1: V
IORM
× 1.875 = V
PR
, 100% Production Tested, t
m
= 1 sec, Partial Discharge < 5 pC 1050 V peak
Method A (After Environmental Tests, Subgroup 1): V
IORM
× 1.6 = V
PR
, t
m
= 60 sec,
Partial Discharge <5 pC
896 V peak
Method A (After Input and/or Safety Test, Subgroup 2/3): V
IORM
× 1.2 = V
PR
, t
m
= 60 sec,
Partial Discharge <5 pC
672 V peak
Highest Allowable Overvoltage
1
V
TR
4000 V peak
Safety-Limiting Values
2
Case Temperature T
S
150 °C
Input Current I
S, INPUT
265 mA
Output Current I
S, OUTPUT
335 mA
Insulation Resistance at T
S
3
R
S
>10
9
Ω
1
Transient overvoltage, t
TR
= 10 sec.
2
The safety-limiting value is the maximum value allowed in the event of a failure. See Figure 14 for the thermal derating curve.
3
V
IO
= 500 V.