IMX35 Series Data Sheet
?
Safety and Installation Instructions
Pin allocation
Table 16: Pin allocation
35 Watt Quad-Output DC-DC Converters
Installation Instructions
Installation of the converters must strictly follow the national
safety regulations in compliance with the enclosure, mounting,
creepage, clearance, casualty, markings, and segregation
requirements of the end-use application.
Pin No.
1
2
3
4
5
6
7
8
11
12
13
14
15
16
17
18
19
1
2
Quadruple
output
PUL
Vi–
n.c.
Vi+
Trim or Trim1
W
Ref
SD or i
Vo3–
Vo3+
Vo2+
Vo2–
Vo1–
Vo1+
Vo4+
Vo4–
n.c.
09122a
11
12
13
Connection to the system shall be made via a printed circuit
board with hole diameters of 1.5 mm for the pins.
The converters should be connected to a secondary circuit.
Do not open the converter.
Ensure that a converter failure (e.g., by an internal short-
circuit) does not result in a hazardous condition.
Input Fuse
To prevent excessive current flowing through the input supply
line in case of a short-circuit in the converter, an external fuse
should be installed in the non-earthed input line. We
recommend a fast acting fuse specified in table 3.
Standards and Approvals
All converters are safety-approved to IEC/EN 60950 -1 and
UL/CSA 60950-1 2 nd Ed.
The converters have been evaluated for:
? Building-in
? Basic insulation input to output, based on their maximum
input voltage
? Pollution degree 2 (not option Z)
? Connecting the input to a secondary circuit, which is
subject to a maximum transient rating of 1500 V.
The converters are subject to manufacturing surveillance in
accordance with the above mentioned standards.
CB scheme is available.
Railway Applications
3
4
5
6
7
8
Bottom
view
14
15
16
17
18
19
To comply with Railway standards, all components are coated
with a protective lacquer (except for option Z).
Protection Degree
The protection degree is IP 30 (not for option Z).
Cleaning Liquids
Fig. 18
Footprint. The holes in the PCB should have a diameter of
1.5 mm.
BCD20009-G Rev AC, 06-May-2013
In order to avoid possible damage, any penetration of cleaning
fluids should be prevented, since the converters are not
hermetically sealed.
However, open-frame models (option Z) leave the factory
unlacquered; they may be lacquered by the customer, for
instance together with the mother board. Cleaning liquids are
not permitted – except washing at room temperature with
isopropyl alcohol and de-inonized/destilled water (1 : 1) .
Note: Cleaning liquids may damage the adhesive joints of the
ferrite cores.
Page 14 of 15
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