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| 型号： | 40IMX4-0505-9 |
| 厂商： | POWER-ONE INC |
| 元件分类： | 电源模块 |
| 英文描述： | 2-OUTPUT 3.5 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | 8.5 MM, DIP-24 |
| 文件页数： | 3/12页 |
| 文件大小： | 180K |
| 代理商： | 40IMX4-0505-9 |
REV. AUG 05, 2004
Page 11 of 12
www.power-one.com
IMX4 DC-DC Series Data Sheet
4-Watt DC-DC Converters
Table 11: Pin allocation for standard industrial pinout and
option Z
Pin
Single output units
Dual output units
2
Vi–
3
Vi–
10
n.c.
-
11
-
Vo–
14
Vo+
16
Vo–
Go
22
Vi+
23
Vi+
Table 12: Pin allocation for option K
Pin
Single output units
Dual output units
1
Vi+
2
n.c.
-
10
-
Go
11
-
Go
12
Vo–
-
13
Vo+
Vo–
15
-
Vo+
24
Vi–
Table 14: Electric strength test voltages
Characteristic
Input - Output
Unit
20/40IMX4
70IMX4
Electric strength
1.2
1.5
kVrms
test voltage 1 s
1.5
2.0
kV DC
Coupling
~1.1
nF
capacitance
Insulation resist.
>100
M
at 500 V DC
Partial discharge
Consult factory
kV
extinction voltage
Safety and Installation Instructions
Installation Instruction
Installation of the dc-dc 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.
Connection to the system shall be made via a printed circuit board
according to:
Mechanical Data.
The units should be connected to a secondary circuit.
Check for hazardous voltages before altering any connections.
Do not open the module.
Ensure that a unit failure (e.g., by an internal short-circuit) does
not result in a hazardous condition. See also:
Safety of operator
accessible output circuit.
1
12
13
24
10013
Bottom view
Fig. 20
Pin numbering
Input Fuse
To prevent excessive current flowing through the input supply line
in case of a short-circuit across the converter input an external fuse
should be installed in a non earthed input supply line. We
recommend a fast acting fuse F1A for 20IMX4, F0.5A for 40IMX4
and F0.315A for 70IMX4 types.
Safety of Operator Accessible Output Circuits
If the output circuit of a dc-dc converter is operator
accessible, it shall be an SELV circuit according to IEC/EN
60950 related safety standards
The insulation concept table on next page shows some
possible
installation
configurations,
compliance
with
which causes the output circuit of the dc-dc converter to be
an SELV circuit according to IEC/EN 60950 up to a
configured output voltage (sum of nominal voltages if in
series or +/– configuration) of 48 V.
However, it is the sole responsibility of the installer to
ensure the compliance with the relevant and applicable
safety regulations. More information is given in:
Technical
Information: Safety.
Standards and Approvals
All dc-dc converters are UL recognized according to UL
1950, UL recognized for Canada to CAN/CSA C22.2 No.
950-95 and LGA approved to IEC/EN 60950 standards.
The units have been evaluated for:
Building in
Basic insulation input to output, based on their
maximum input voltage
The use in a pollution degree 2 environment
Connecting the input to a secondary circuit which is
subject to a maximum transient rating of 1500 V for
20IMX4 and 40IMX4, 2000 V for 70IMX4 types.
The dc-dc converters are subject to manufacturing
surveillance in accordance with the above mentioned UL,
CSA, EN and ISO 9001 standards.
Cleaning Agents
In order to avoid possible damage, any penetration of
cleaning fluids has to be prevented, since the power
supplies are not hermetically sealed.
Protection Degree
The protection degree of the dc-dc converters is IP 30.
Isolation
The electric strength test is performed as factory test in
accordance with IEC/EN 60950 and UL 1950 and should
not be repeated in the field. Power-One will not honor any
guarantee claims resulting from electric strength field tests.
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