ISO7840_15 Datasheet, PDF (16/33 Pages) Texas Instruments – ISO7840 ISO7840F High-Performance, 8000 VPK Reinforced Quad-Channel Digital Isolator

ISO7840, ISO7840F
SLLSEN2 – JULY 2015
8.3.1.2 Insulation Characteristics
www.ti.com
PARAMETER ⁽¹⁾
DTI
Distance through the insulation
TEST CONDITIONS
Minimum internal gap (internal clearance)
V_IOWM Maximum isolation working voltage
Time dependent dielectric breakdown (TDDB) Test
DIN V VDE V 0884-10 (VDE V 0884-10):2006-12
V_IOTM
Maximum transient isolation voltage
V_TEST = V_IOTM
t = 60 sec (qualification)
t= 1 sec (100% production)
V_IOSM
V_IORM
Maximum surge isolation voltage
Test method per IEC 60065, 1.2/50 µs waveform,
V_TEST = 1.6 x V_IOSM = 12800 V_PK (qualification)
Maximum repetitive peak isolation voltage
Method a, After Input/Output safety test subgroup
2/3,
V_PR = V_IORM x 1.2, t = 10 s,
Partial discharge < 5 pC
V_PR
Input-to-output test voltage
Method a, After environmental tests subgroup 1,
V_PR = V_IORM x 1.6, t = 10 s,
Partial Discharge < 5 pC
Method b1,
V_PR = V_IORM x 1.875, t = 1 s (100% Production test)
Partial discharge < 5 pC
R_S
Isolation resistance
Pollution degree
V_IO = 500 V at T_S
UL 1577
V_ISO
Withstanding isolation voltage
V_TEST = V_ISO = 5700 V_RMS, t = 60 sec
(qualification),
V_TEST = 1.2 x V_ISO = 6840 V_RMS, t = 1 sec (100%
production)
(1) Climatic Classification 55/125/21
SPECIFICATION
21
1500
2121
8000
8000
2121
2545
3394
3977
>10⁹
2
5700
UNIT
μm
V_RMS
V_DC
V_PK
V_PK
V_PK
V_PK
Ω
V_RMS
8.3.1.3 IEC 60664-1 Ratings Table
PARAMETER
Basic isolation group
Installation classification
TEST CONDITIONS
Material group
Rated mains voltage ≤ 600 V_RMS
Rated mains voltage ≤ 1000 V_RMS
SPECIFICATION
I
I–IV
I–III
16
Submit Documentation Feedback
Product Folder Links: ISO7840 ISO7840F
Copyright © 2015, Texas Instruments Incorporated