IEC PAS 60747-17:2011

IEC/PAS 60747-17 ®
Edition 1.0 2011-11
PUBLICLY AVAILABLE
SPECIFICATION
PRE-STANDARD
Semiconductor devices – Discrete devices –
Part 17: Magnetic and capacitive coupler for basic and reinforced isolation

IEC/PAS 60747-17:2011(E)
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IEC/PAS 60747-17 ®
Edition 1.0 2011-11
PUBLICLY AVAILABLE
SPECIFICATION
PRE-STANDARD
Semiconductor devices – Discrete devices –
Part 17: Magnetic and capacitive coupler for basic and reinforced isolation

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
PRICE CODE
W
ICS 31.080.99 ISBN 978-2-88912-792-4
– 2 – PAS 60747-17 © IEC:2011(E)
CONTENTS
FOREWORD . 5
1 Scope . 7
2 Normative references . 7
3 Magnetic and Capacitive Coupler . 8
3.1 Semiconductor material . 8
3.2 Details of outline and encapsulation . 8
3.2.1 Outline drawing . 8
3.2.2 Method of encapsulation . 9
3.2.3 Terminal identification and indication of any connection between a
terminal and the case . 9
3.3 Type of coupler . 9
3.3.1 SIO2 Isolators . 9
3.3.2 Thin film Polymer Isolators . 9
4 Terms related to ratings and characteristics for a coupler . 9
4.1 lsolation sides . 9
4.2 lsolation capacitance: C . 9
IO
4.3 lsolation resistance: R . 9
IO
4.4 lsolation voltage . 9
4.5 Logic state match . 9
4.6 Logic state transition match . 9
4.7 Common mode transient immunity (CMTI) . 10
4.8 Magnetic field immunity (MFI) . 10
4.8.1 Static magnetic field immunity (SMFI) . 10
4.8.2 Variable magnetic field immunity (VMFI) . 10
4.9 Propagation Delay: t or t . 10
pLH pHL
4.10 Further terms and abbreviations . 10
5 Terms for couplers providing protection against electrical shock . 10
5.1 Safety ratings of couplers for reinforced insulation . 10
5.2 Electrical safety requirements of couplers for basic and reinforced insulation . 10
5.2.1 Partial discharge (pd) . 11
5.2.2 Apparent charge: q . 11
pd
5.2.3 Threshold apparent charge: q . 11
pd(TH)
5.2.4 Test voltages and time intervals for the partial-discharge test of
couplers . 11
5.2.5 Lifetime (Lifetime) . 15
5.2.6 Failure Rate over Lifetime (FROL) . 15
5.2.7 Statistical model (model) . 15
5.3 Isolation voltages and isolation test voltages for couplers providing

protection against electrical shock . 15
5.3.1 Rated isolation voltages . 15
5.4 Absolute maximum ratings . 16
5.4.1 Minimum and maximum storage temperatures: T . 16
stg
5.4.2 Minimum and maximum ambient or reference-point operating
temperatures: T or T . 16
amb ref
5.4.3 Maximum soldering temperature: T . 16
sld
5.4.4 Maximum continuous (direct) reverse input voltage (V ) over the
R
operating temperature range . 16

PAS 60747-17 © IEC:2011(E) – 3 –
5.4.5 Maximum continuous (direct) or repetitive peak isolation voltage (V
lO
or V ) over the operating temperature range . 16
IORM
5.4.6 Maximum surge isolation voltage (V ) over the operating
IOSM
temperature range . 16
5.4.7 Maximum continuous input current (I ) at an ambient or reference-
I
point temperature of 25 °C and derating curve or derating factor . 17
5.4.8 Maximum peak input current (I ) at an ambient or reference-point
lM
temperature of 25 °C and under specified pulse conditions . 17
5.4.9 Maximum power dissipation (P ) of the output stage at an ambient
trn
or reference- point temperature of 25 °C and a derating curve or
derating factor . 17
5.4.10 Maximum total power dissipation of the package (P ) at an ambient
tot
or reference- point temperature of 25 °C and derating curve or
derating factor . 17
6 Electrical characteristics . 17
6.1 Coupler logic and timing definitions . 17
7 Coupler protection against electrical shock . 18
7.1 Type . 18
7.2 Ratings (shall be listed in a special section in the manufacturer's datasheet) . 18
7.2.1 Safety Limiting Values . 18
7.2.2 Functional ratings . 18
7.2.3 Rated isolation voltages . 18
7.3 Electrical safety requirements . 19
7.4 Electrical, environmental and/or endurance test information: (supplementary
information if desired by the manufacturer) . 19
7.4.1 Routine test . 19
7.4.2 Sample test . 19
7.4.3 Type Test . 20
8 Measuring methods for couplers . 28
8.1 Input-to-output capacitance (C ) . 28
lO
8.1.1 Purpose . 28
8.1.2 Circuit diagram . 28
8.1.3 Measurement procedure . 28
8.1.4 Precautions to be observed . 29
8.1.5 Special conditions . 29
8.2 Isolation resistance between input and output, R . 29
lO
8.2.1 Purpose . 29
8.2.2 Circuit diagram . 29
8.2.3 Precautions to be observed . 29
8.2.4 Measurement procedure . 29
8.2.5 Special conditions . 29
8.3 Isolation test. 30
8.3.1 Purpose . 30
8.3.2 Circuit diagram . 30
8.3.3 Test procedure . 30
8.3.4 Requirements . 30
8.3.5 Specified conditions . 30
8.4 Partial discharges of magnetic couplers . 31
8.4.1 Purpose . 31
8.4.2 Circuit diagram . 31

– 4 – PAS 60747-17 © IEC:2011(E)
8.4.3 Description of the test circuit and requirements . 31
8.4.4 Test procedure . 32
8.4.5 Specified conditions . 33
8.5 Switching times of couplers . 34
8.5.1 Purpose . 34
8.5.2 Circuit diagram . 34
8.5.3 Circuit description and requirements . 34
8.5.4 Precautions to be observed . 34
8.5.5 Measurement procedure . 34
8.5.6 Specified conditions . 35
8.6 Measuring methods of common-mode transient immunity (CMTI) for
ma
...