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| 型號(hào)： | CM1901-7EPV2F |
| 廠商： | POWER-ONE INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 50 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | METAL, CASE M02, MODULE |
| 文件頁(yè)數(shù)： | 11/25頁(yè) |
| 文件大小： | 569K |
| 代理商： | CM1901-7EPV2F |
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Cassette Style
DC-DC Converters
M Series
Edition 01/01.2001
19/25
Table 18: Configuration of option A and option P
Type of option
AM...LM/CMZ...LMZ 1000
AM...LM/CMZ...LMZ 2000
AM...LM/CMZ...LMZ 3000
Output 1
Output 2
Output 1
Output 2
Output 3
Potentiometer 1
yes
no
Test sockets
yes
no
1 AM...LM 1000 types equipped with option P do not provide the R input simultaneously, pins 14 and 17 are not connected.
-9 Extended Temperature Range
Option -9 extends the operational ambient temperature
range from –25...71
°C (standard) to –40...71°C. The power
supplies provide full nominal output power with convection
cooling.
A Test Sockets
Test sockets (pin = 2 mm, distance d = 5.08 mm) are lo-
cated at the front of the module. The output voltage is
sensed at the connector pins inside the module.
P Potentiometer
Optionally built-in multi-turn potentiometers provide an out-
put voltage adjustment range of minimum
±5% of U
o nom
and are accessible through holes in the front cover. Com-
pensation of voltage drop across connector and wiring be-
comes easily achievable. For output voltages
Uo > Uo nom,
the minimum input voltage according to:
Electrical Input
Data increases proportionally to Uo/Uo nom.
Note: Potentiometers are not recommended for mobile ap-
plications.
Description of Options
Table 17: Survey of options
Option
Function of option
Characteristic
–9
Extended operational ambient temperature range
TA = –40...71°C
A
Test sockets at front panel for check of output voltage
Uo internally measured at the connector terminals
E
Electronic inrush current limitation circuitry
Active inrush current limitation for CM, EM, LM, CMZ, LMZ
P 1
Potentiometer for fine adjustment of output voltage
Adjustment range
±5% of U
o nom, excludes R input
F
Input fuse built-in inside case
Fuse not externally accessible
H
Enhanced output to case electric strength test voltage
2000 V AC (standard: 1000 V AC)
D 2
Input and/or output undervoltage monitoring circuitry
Safe data signal output (D0...D9)
V 2 3
Input and/or output undervoltage monitoring circuitry
ACFAIL signal according to VME specifications (V0, V2, V3)
1 Function R excludes option P and vice versa
2 Option D excludes option V and vice versa
3 Only available if main output voltage Uo1 = 5.1 V
AC-DC
front
end
DC-DC
con-
verter
Mains
Battery
SELV
Earth connection
(class I)
+
–
~
10018
Max. 250 V AC or
400 (250) V DC
Max. 250 V AC or
400 (250) V DC
Fuse
Fig. 18
Schematic safety concept.
Use earth connection as per table:
Safety concept leading
to an SELV output circuit. Use fuse if required by the appli-
cation. See also:
Installation Instructions.
Standards and Approvals
AM...LM DC-DC converters correspond to class I equip-
ment, while CMZ, DMZ, LMZ types correspond to class II
equipment. All types 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 between input and case and double or
reinforced insulation between input and output, based on
250 V AC and 400 V DC (class I equipment)
Double or reinforced insulation between input and case
and between input and output, based on 250 V AC and
DC (class II equipment)
Operational insulation between output(s) and case
Operational insulation between the outputs
The use in a pollution degree 2 environment
Connecting the input to a primary or secondary circuit
with a maximum transient rating of 2500 V
The DC-DC converters are subject to manufacturing sur-
veillance in accordance with the above mentioned UL,
CSA, EN and with ISO 9001 standards.
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