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LPM409 AC-DC Modular Power Supply Data Sheet
5V, 10V, 12V, 20V, 24V, 36V & 48V Single-Output Modules
10V, 20V Dual-Output Modules
Table 1. Module Selection
MODULE
E
F
G
H
J
K
L
M
N
NO. OF
SLOTS
REQUIRED
1
1
1
1
1
1
1
1
1
FACTORY-SET
SINGLE-OUTPUT
(VDC)
5
12
24
36
48
10
20
10
20
MODULE
ADJUSTABLE RANGE
(VDC)
2.0 to 5.3
5.2 to 15
14 to 30
29 to 44
43 to 54
1.5 to 15
3 to 32
2x 1.5 to 15
2x 3 to 32
MAX. OUTPUT
CURRENT (AMPS)
53
22
11
7.4
5.5
6
3
2x 6
2x 3
MAX. OUTPUT POWER
(WATTS)
265
265
265
265
265
90
90
2x 90
2x 90
2
0
1
Blank Panel Slot Cover
To determine your desired power supply's part number, please refer to Fig. for a detailed part number description.
Table 1 Notes:
1
Use the LPM Configurator located in the Modular Section on our website, or use our contacts page to locate a
contact or distributor for further assistance.
2
For the power derating specification please see section 1.4.below .
1.1 Output Voltage Adjustment
Each LPM 409 module’s output voltage is adjustable by means of a trimmer located on the module. For the
modules E<->J the trimmer is accessible through the adjustment hole located on the bottom of the power supply
(see Fig.11 ). For the modules K<->N the trimmer is accessible from rear side of the power supply (see Fig.6 ).
1.2 Parallel Connections
Depending on certain situat ions where current requirements exceed one module’s capability, the configurator will
process a solution using parallel connections. Paralleling busbars are available to make the connections requiring
higher current needs. To ensure the current sharing function works correctly it is required to interconnect the
signal pins of the modules that will operate in parallel. For more details read section 10.3 and Fig.17 .
1.3 Serial Connections
To increase the output voltage it is possible to connect modules in series. Serial busbars are available (see
section 10.4) to make the connections requiring higher voltage needs. The output of LPM409 is rated as SELV
circuit, so the output voltages are guaranteed to be less than 60V. The series combination of modules can exceed
this SELV voltage, so in this case the users must take adequate precautions. The maximum total voltage must
not exceed 200V . Power-One recommends to only connect the same modules with the same current rating in
series.
The voltage sense pins VS+, VS- available on LM126 modules must be connected according to Fig.18 .
BCD.00054 Rev. AC, 19-Dec-13
Page 2 of 20
www.power-one.com
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