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| 型號(hào)： | LM2540-9ERV3F |
| 廠商： | POWER-ONE INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 2-OUTPUT 50 W AC-DC REG PWR SUPPLY MODULE |
| 封裝： | METAL, CASE M02, MODULE |
| 文件頁(yè)數(shù)： | 7/24頁(yè) |
| 文件大?。?/td> | 982K |
| 代理商： | LM2540-9ERV3F |
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Cassette Style
AC-DC Converters
M Series
Edition 5/5.2000
15/24
Table 15: H11 connector pin allocation
Electrical Determination
LM 1000
LMZ 1000
LM 2000
LMZ 2000
LM 3000
LMZ 3000
Pin
Ident
Pin
Ident
Pin
Ident
Pin
Ident
Pin
Ident
Pin
Ident
Inhibit control input
2
i
2
i
2
i
2
i
2
i
2
i
Safe data or ACFAIL
5
D or V
5
D or V
5
D or V
5
D or V
5
D or V
5
D or V
Output voltage (positive)
8
Vo1+
8
Vo1+
8
Vo3+
8
Vo3+
Output voltage (negative)
11
Vo1–
11
Vo1–
11
Vo3–
11
Vo3–
Control input + 1
14
R
14
R
Control input –
17
G
17
G
Output voltage (positive)
14
Vo2+
14
Vo2+
14
Vo2+
14
Vo2+
Output voltage (negative)
17
Vo2–
17
Vo2–
17
Vo2–
17
Vo2–
Output voltage (positive)
20
Vo1+
20
Vo1+
20
Vo1+
20
Vo1+
20
Vo1+
20
Vo1+
Output voltage (negative)
23
Vo1–
23
Vo1–
23
Vo1–
23
Vo1–
23
Vo1–
23
Vo1–
Protective earthing 2
26
AC input voltage 3
29
N
29
N
29
N
29
N
29
N
29
N
AC input voltage
32
P
32
P
32
P
32
P
32
P
32
P
1 This function is not simultaneously available with option P
2 Leading pin (pregrounding)
3 In DC-DC operation pin 29 should be connected to the earth related potential of the input voltage
Safety and Installation Instructions
Connector pin Allocation
The connector pin allocation table defines the electrical
potentials and the physical pin positions on the H11 con-
nector. Pin no. 26, the protective earth pin present on all LM
(class I equipment) AC-DC converters is leading, ensuring
that it makes contact with the female connector first.
32 29 26 23 20 17 14 11 85 2
10015
Fig. 17
View of male H11 connector
Installation Instructions
The M series AC-DC converters are components, intended
exclusively for inclusion within other equipment by an in-
dustrial assembly operation or by professional installers. In-
stallation must strictly follow the national safety regulations
in compliance with the enclosure, mounting, creepage,
clearance, casualty, markings and segregation require-
ments of the end-use application. See also:
Technical Infor-
mation: Installation and Application.
Connection to the system shall be made via the female con-
nector H11 (see:
Accessories). Other installation methods
may not meet the safety requirements.
LM AC-DC converters (class I equipment) are provided with
pin no. 26 ( ), which is reliably connected with their case.
For safety reasons it is essential to connect this pin with the
protective earth of the supply system if required in:
Safety
of operator accessible output circuit.
The P input (pin no. 32) is internally fused. This fuse is de-
signed to protect the unit in case of overcurrent and may not
be able to satisfy all customer requirements. External fuses
in the wiring to one or both input pins (no. 30 and/or no. 32)
may therefore be necessary to ensure compliance with lo-
cal requirements. See also:
Input Fuse.
Important: Whenever the inhibit function is not in use,
pin no. 2 (i) should be connected to pin no. 23 (Vo1-) to
enable the output(s).
Do not open the modules, or guarantee will be invali-
dated.
Make sure that there is sufficient air flow available for con-
vection cooling. This should be verified by measuring the
case temperature when the unit is installed and operated in
the end-use application. The maximum specified case tem-
perature
TC max shall not be exceeded. See also: Thermal
Considerations.
If the end-product is to be UL certified, the temperature of
the main isolation transformer should be evaluated as part
of the end-product investigation.
Cleaning Agents
In order to avoid possible damage, any penetration of liq-
uids (e.g. cleaning fluids) is to be prevented, since the
power supplies are not hermetically sealed.
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