Datasheet

ADM2484E
Rev. C | Page 5 of 16
INSULATION AND SAFETY-RELATED SPECIFICATIONS
Table 5.
Parameter Symbol Value Unit Conditions
Rated Dielectric Insulation Voltage 5000 V rms 1-minute duration
Minimum External Air Gap (Clearance) L(I01) 7.7 mm min Measured from input terminals to output
terminals, shortest distance through air
Minimum External Tracking (Creepage) L(I02) 7.6 mm min Measured from input terminals to output
terminals, shortest distance along body
Minimum Internal Gap (Internal Clearance) 0.017 mm min Insulation distance through insulation
Tracking Resistance (Comparative Tracking Index) CTI >175 V DIN IEC 112/VDE 0303 Part 1
Isolation Group IIIa Material Group (DIN VDE 0110, 1/89)
VDE 0884 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.
Table 6.
Description Conditions Symbol Characteristic Unit
CLASSIFICATIONS
Installation Classification per DIN VDE 0110 for Rated
Mains Voltage
≤300 V rms I to IV
≤450 V rms I to II
≤600 V rms I to II
Climatic Classification 40/105/21
Pollution Degree DIN VDE 0110, see Table 1 2
VOLTAGE
Maximum Working Insulation Voltage V
IORM
846 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
1590 V
PEAK
Method a
After Environmental Tests, Subgroup 1 V
IORM
× 1.6 = V
PR
, t
m
= 60 sec, partial
discharge < 5 pC
1357 V
PEAK
After Input and/or Safety Test,
Subgroup 2/Subgroup 3
V
IORM
× 1.2 = V
PR
, t
m
= 60 sec, partial
discharge < 5 pC
1018 V
PEAK
Highest Allowable Overvoltage (Transient overvoltage, t
TR
= 10 sec) V
TR
6000 V
PEAK
SAFETY-LIMITING VALUES Maximum value allowed in the event of a
failure, see Figure 9
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
V
IO
= 500 V R
S
>10
9
Ω