5

AMC1100

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SBAS562B – APRIL 2012 – REVISED DECEMBER 2019

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Copyright © 2012–2019, Texas Instruments Incorporated

(1)

Apply creepage and clearance requirements according to the specific equipment isolation standards of an application. Care must be

taken to maintain the creepage and clearance distance of a board design to ensure that the mounting pads of the isolator on the printed

circuit board (PCB) do not reduce this distance. Creepage and clearance on a PCB become equal in certain cases. Techniques such as

inserting grooves and ribs on the PCB are used to help increase these specifications.

(2)

This coupler is suitable for safe electrical insulation only within the safety ratings. Compliance with the safety ratings shall be ensured by

means of suitable protective circuits.

(3)

Testing is carried out in air or oil to determine the intrinsic surge immunity of the isolation barrier.

(4)

Apparent charge is electrical discharge caused by a partial discharge (pd).

(5)

All pins on each side of the barrier are tied together, creating a two-pin device.

6.6 Insulation Specifications

over operating ambient temperature range (unless otherwise noted)

PARAMETER

TEST CONDITIONS

VALUE

UNIT

GENERAL

CLR

External clearance(1)

Shortest pin-to-pin distance through air, DUB package

≥ 7

mm

Shortest pin-to-pin distance through air, DWV package

≥ 8.5

CPG

External creepage(1)

Shortest pin-to-pin distance across the package

surface, DUB package

≥ 7

mm

Shortest pin-to-pin distance across the package

surface, DWV package

≥ 8.5

DTI

Distance through insulation

Minimum internal gap (internal clearance) of the

insulation

≥ 0.014

mm

CTI

Comparative tracking index

DIN EN 60112 (VDE 0303-11); IEC 60112, DUB

package

≥ 400

V

DIN EN 60112 (VDE 0303-11); IEC 60112, DWV

package

≥ 600

Material group

According to IEC 60664-1, DUB package

II

According to IEC 60664-1, DWV package

I

Overvoltage category per IEC 60664-1

Rated mains voltage

≤ 300 VRMS

I-IV

Rated mains voltage

≤ 600 VRMS

I-III

DIN VDE V 0884-11: 2017-01(2)

VIORM

Maximum repetitive peak isolation voltage

At ac voltage (bipolar)

1200

VPK

VIOWM

Maximum-rated isolation working voltage

At ac voltage (sine wave)

849

VRMS

At dc voltage

1200

VDC

VIOTM

Maximum transient isolation voltage

VTEST = VIOTM, t = 60 s (qualification test)

4250

VPK

VTEST = 1.2 × VIOTM, t = 1 s (100% production test)

5100

VIOSM

Maximum surge isolation voltage(3)

Test method per IEC 60065, 1.2/50-µs waveform,

VTEST = 1.3 × VIOSM = 6000 VPK (qualification)

4615

VPK

qpd

Apparent charge(4)

Method a, after input/output safety test subgroup 2 / 3,

Vini = VIOTM, tini = 60 s,

Vpd(m) = 1.2 × VIORM = 1440 VPK, tm = 10 s

≤ 5

pC

Method a, after environmental tests subgroup 1,

Vini = VIOTM, tini = 60 s,

Vpd(m) = 1.3 × VIORM = 1560 VPK, tm = 10 s

≤ 5

Method b1, at routine test (100% production) and

preconditioning (type test), Vini = VIOTM, tini = 1 s,

Vpd(m) = 1.5 × VIORM = 1800 VPK, tm = 1 s

≤ 5

CIO

Barrier capacitance, input to output(5)

VIO = 0.5 VPP at 1 MHz

1.2

pF

RIO

Insulation resistance, input to output(5)

VIO = 500 V at TA < 85°C

> 1012

Ω

VIO = 500 V at 85°C < TA < 105°C

> 1011

VIO = 500 V at TS = 150°C

> 109

Pollution degree

2

Climatic category

40/125/21

UL1577

VISO

Withstand isolation voltage

VTEST = VISO = 3005 VRMS or 4250 VDC, t = 60 s

(qualification), VTEST = 1.2 × VISO = 3606 VRMS, t = 1 s

(100% production test)

3005

VRMS