Cassette Style
DC-DC Converters
M Series
50 Watt DC-DC (AC-DC) Converters
Wide input voltage from 8...373 V DC
1, 2 or 3 isolated outputs up to 48 V DC
4 kV AC I/O electric strength test voltage
• Extremely wide input voltage range suitable for
battery (and AC) operation
• Efficient input filter and built-in surge and transient
suppression circuitry
• Outputs individually isolated and controlled
• Outputs fully protected against overload
Safety according to IEC/EN 60950
LGA
M Series
111
4.37"
3U
Summary
The M series of DC-DC (AC-DC) converters represents a
broad and flexible range of power supplies for use in ad-
vanced industrial electronic systems. Features include high
efficiency, reliability, low output voltage noise and excellent
dynamic response to load/line changes due to individual
regulation of each output.
The converter inputs are protected against surges and tran-
sients occuring at the source lines. An input over- and
undervoltage lock-out circuitry disables the outputs if the in-
put voltage is outside the specified range. Certain types in-
clude an inrush current limitation preventing circuit break-
ers and fuses from being damaged at switch-on.
All outputs are open- and short-circuit proof and are pro-
tected against overvoltages by means of built-in suppressor
diodes. The outputs can be inhibited by a logic signal ap-
plied to the connector pin 2 (i). If the inhibit function is not
used pin 2 should be connected to pin 23 to enable the out-
puts.
LED indicators display the status of the converter and allow
visual monitoring of the system at any time.
Full input to output, input to case, output to case and output
to output isolation is provided. The modules are designed
and built according to the international safety standard
IEC/EN 60950 and have been approved by the safety
39
1.54"
8 TE
168
6.6"
agencies LGA (Germany) and UL (USA). The UL Mark for
Cana-da has been officially recognized be regulatory au-
thorities in provinces across Canada.
The case design allows operation at nominal load up to
71°C in a free air ambient temperature. If forced cooling is
provided, the ambient temperature may exceed 71°C but
the case temperature should remain below 95°C under all
conditions.
A temperature sensor generates an inhibit signal which
disables the outputs if the case temperature
T
C
exceeds the
limit. The outputs are automatically re-enabled when the
temperature drops below the limit.
Various options are available to adapt the converters to in-
dividual applications.
The modules may either be plugged into 19 inch rack sys-
tems according to DIN 41494, or be chassis mounted.
Table of Contents
Page
Page
Electromagnetic Compatibility (EMC) ............................ 13
Immunity to Environmental Conditions ........................... 15
Mechanical Data ............................................................ 16
Safety and Installation Instructions ................................ 17
Description of Options .................................................... 19
Accessories .................................................................... 25
Summary .......................................................................... 1
Type Survey and Key Data .............................................. 2
Type Key .......................................................................... 3
Functional Description ...................................................... 4
Electrical Input Data ......................................................... 5
Electrical Output Data ...................................................... 7
Auxiliary Functions ......................................................... 10
Edition 01/01.2001
1/25
Cassette Style
Type Survey and Key Data
DC-DC Converters
M Series
Non standard input/output configurations or special custom adaptions are available on request. See also:
Commercial In-
formation: Inquiry Form for Customized Power Supply.
The type survey tables provide an overview of the basic input and output configurations. More than 1000 different types
have been manufactured providing different output configurations and customized specialities. Please consult Power-
One's field sales engineers for specific requirements. The best technical solution will carefully be considered and a detailed
proposal submitted.
Table 1a: Class I equipment
Output 1
Output 2
Output 3
Input voltage range and efficiency
1
Options
h
min
[%]
74
80
81
82
83
80
79
76
76
–9
P
D0...D9
V0,V2,V3
A
H
F
U
o nom
I
o nom
[V DC] [A]
5.1
12.0
15.0
24.0
48.0
12.0
15.0
5.1
5.1
8.0
4.0
3.4
2.0
1.0
2.0
1.7
5.0
5.0
U
o nom
I
o nom
[V DC] [A]
-
-
-
-
-
12.0
15.0
12.0
15.0
-
-
-
-
-
2.0
1.7
0.7
0.6
U
o nom
I
o nom
[V DC] [A]
-
-
-
-
-
-
-
12.0
15.0
-
-
-
-
-
-
-
0.7
0.6
U
i min
...U
i max
8...35 V DC
AM 1001-7R
AM 1301-7R
AM 1501-7R
AM 1601-7R
AM 1901-7R
AM 2320-7
AM 2540-7
AM 3020-7
AM 3040-7
h
min
[%]
72
79
79
81
81
77
78
75
75
U
i min
...U
i max
14...70 V DC
BM 1001-7R
BM 1301-7R
BM 1501-7R
BM 1601-7R
BM 1901-7R
BM 2320-7
BM 2540-7
BM 3020-7
BM 3040-7
h
min
[%]
74
80
81
83
83
79
80
76
76
U
i min
...U
i max
20...100 V DC
FM 1001-7R
FM 1301-7R
FM 1501-7R
FM 1601-7R
FM 1901-7R
FM 2320-7
FM 2540-7
FM 3020-7
FM 3040-7
Table 1b: Class I equipment
Output 1
Output 2
Output 3
Input voltage range and efficiency
1
Options
h
min
[%]
73
79
78
81
81
77
78
73
71
–9
E
P
D0...D9
V0,V2,V3
A
H
F
U
o nom
I
o nom
[V DC] [A]
5.1
12.0
15.0
24.0
48.0
12.0
15.0
5.1
5.1
8.0
4.0
3.4
2.0
1.0
2.0
1.7
5.0
5.0
U
o nom
I
o nom
[V DC] [A]
-
-
-
-
-
12.0
15.0
12.0
15.0
-
-
-
-
-
2.0
1.7
0.7
0.6
U
o nom
I
o nom
[V DC] [A]
-
-
-
-
-
-
-
12.0
15.0
-
-
-
-
-
-
-
0.7
0.6
U
i min
...U
i max
28…140 V DC
CM 1001-7R
CM 1301-7R
CM 1501-7R
CM 1601-7R
CM 1901-7R
CM 2320-7
CM 2540-7
CM 3020-7
CM 3040-7
h
min
[%]
74
80
82
82
82
79
80
76
76
U
i min
...U
i max
44…220 V DC
DM 1001-7R
DM 1301-7R
DM 1501-7R
DM 1601-7R
DM 1901-7R
DM 2320-7
DM 2540-7
DM 3020-7
DM 3040-7
h
min
[%]
74
81
82
83
83
80
80
77
76
U
i min
...U
i max
88...372 V DC
(85...264 V AC)
LM 1001-7R
LM 1301-7R
LM 1501-7R
LM 1601-7R
LM 1901-7R
LM 2320-7
LM 2540-7
LM 3020-7
LM 3040-7
Table 1c: Class II equipment (double insulation)
Output 1
Output 2
Output 3
Input voltage range and efficiency
1
Options
h
min
[%]
73
79
78
81
81
77
78
73
71
–9
E
P
D0…D9
V0,V2,V3
A
H
F
U
o nom
I
o nom
[V DC] [A]
5.1
12.0
15.0
24.0
48.0
12.0
15.0
5.1
5.1
1
U
o nom
I
o nom
[V DC] [A]
-
-
-
-
-
12.0
15.0
12.0
15.0
-
-
-
-
-
2.0
1.7
0.7
0.6
U
o nom
I
o nom
[V DC] [A]
-
-
-
-
-
-
-
12.0
15.0
-
-
-
-
-
-
-
0.7
0.6
U
i min
...U
i max
28...140 V DC
CMZ 1001-7R
CMZ 1301-7R
CMZ 1501-7R
CMZ 1601-7R
CMZ 1901-7R
CMZ 2320-7
CMZ 2540-7
CMZ 3020-7
CMZ 3040-7
h
min
[%]
74
80
82
82
82
79
80
76
76
U
i min
...U
i max
44...220 V DC
DMZ 1001-7R
DMZ 1301-7R
DMZ 1501-7R
DMZ 1601-7R
DMZ 1901-7R
DMZ 2320-7
DMZ 2540-7
DMZ 3020-7
DMZ 3040-7
h
min
[%]
74
81
82
83
83
80
80
77
76
U
i min
...U
i max
88...372 V DC
(85...264 V AC)
LMZ 1001-7R
LMZ 1301-7R
LMZ 1501-7R
LMZ 1601-7R
LMZ 1901-7R
LMZ 2320-7
LMZ 2540-7
LMZ 3020-7
LMZ 3040-7
8.0
4.0
3.4
2.0
1.0
2.0
1.7
5.0
5.0
Efficiency at
U
i nom
and
I
o nom
.
Notes:
EM types with an input voltage range of 67...385 V DC are available upon request.
LM types may be operated in AC mode within a frequency range of 47...440 Hz and LMZ types within a frequency range of
47...65 Hz. See:
AC-DC converters
≤
100 W: M-Series.
Edition 01/01.2001
2/25
Cassette Style
Type Key
Type Key
Input voltage range
U
i
:
8...35 V DC
14...70 V DC
20...100 V DC
28...140 V DC
44...220 V DC
67...385 V DC
85...264 V AC, 88...372 V DC
DC-DC Converters
M Series
C M Z 2 5 40 -7 E R P D V A H F
............... A
............... B
............... F
.............. C
.............. D
............... E
1
.............. L
Series .............................................................................. M
Class II Equipment ........................................................... Z
Number of outputs ....................................................... 1...3
Output 1,
U
o1 nom
:
5.1 V
12 V
15 V
24 V
other voltages
48 V
.......... 0...2
............... 3
.......... 4...5
............... 6
.......... 7...8
............... 9
...... 01...99
...... 01...19
...... 20...39
...... 40...59
...... 60...69
...... 70...99
other specs for single output modules
Output 2 and 3,
U
o2 nom
,
U
o3 nom
:
5.1 V
12 V
15 V
24 V
other voltages for multiple output modules
Ambient temperature range
T
A
:
–25…71°C .............. -7
–40…71°C .............. -9
customer specific ........ -0...-8
Auxiliary functions and options:
Inrush current limitation (C/E/LM and C/LMZ) ................. E
Output voltage control input (single output modules) ...... R
2
Potentiometers for fine adjustment of output voltages ..... P
2
Save data signal (D0...D9, to be specified) ..................... D
3
ACFAIL signal (V0, V2, V3, to be specified) ..................... V
3
Output voltage test sockets .............................................. A
Increased electric strength test voltage (o/c) .................. H
Input fuse built-in (not accessible) .................................... F
1
2
3
EM types available upon request
Feature R excludes option P and vice versa
Option D excludes option V and vice versa
Example:
CM 2540-7PD3A: DC-DC converter, input voltage range 28...140 V, providing output 1 with 15 V/1.7 A and
output 2 with 15 V/1.7 A; equipped with potentiometers, undervoltage monitor and test sockets.
Note:
All units feature input and output filters and the auxiliary function inhibit which are not shown in the type designation.
Edition 01/01.2001
3/25
Cassette Style
Functional Description
DC-DC Converters
M Series
The input voltage is fed via an input fuse, an input filter, a
rectifier
3
and an inrush current limiter
4
to the input capaci-
tor. This capacitor sources a single transistor forward con-
verter. Each output is powered by a separate secondary
winding of the main transformer. The resultant voltages are
rectified and their ripples smoothed by a power choke and
an output filter. The control logic senses the main output
voltage
U
o1
and generates, with respect to the maximum
admissible output currents, the control signal for the pri-
mary switching transistor. This signal is fed back via a cou-
pling transformer.
The auxiliary outputs
U
o2
and
U
o3
are individually regulated
by means of secondary switching transistors. Each aux-
iliary output's current is sensed using a current transformer.
If one of the outputs is driven into current limit, the other out-
puts will reduce their output voltages as well because all
output currents are controlled by the same main control cir-
cuit.
P
03009
2
5
i
D/V
R
G
Main control circuit
4
4
14
17
C
Y
Vi+
29
Output 1
filter
2
20
23
1
Forward converter
approx. 70 kHz
C
MKT
Control
circuit
Output 2
filter
14
Input filter
Fuse
3
17
C
MKT
Control
circuit
Output 3
filter
8
Vi–
32
11
26
C
Y
Fig. 1a
Block diagram, class I equipment
P
03010
C
Y
C
Y
Main control circuit
4
4
2
5
14
17
i
D/V
R
G
Vi+
29
Output 1
filter
1
2
20
23
Forward converter
approx. 70 kHz
C
MKT
Control
circuit
Output 2
filter
14
Input filter
Fuse
3
17
C
MKT
Control
circuit
Output 3
filter
8
Vi–
32
11
Fig. 1b
Block diagram, class II equipment (double insulation)
Transient suppressor diode in AM, BM, CM, FM and CMZ types.
Bridge rectifier in LM and LMZ, series diode in EM types.
3
Inrush current limiter (NTC) in CM, DM, EM, LM and CMZ, DMZ, LMZ types (option E: refer to the description of option E).
4
Single output modules AM...LM 1000 and CMZ...LMZ 1000 with feature R.
For output configuration please refer to table:
Pin allocation.
2
1
Edition 01/01.2001
4/25
Cassette Style
Electrical Input Data
DC-DC Converters
M Series
General conditions:
–
T
A
= 25°C, unless
T
C
is specified.
– Connector pins 2 and 23 interconnected, with option P:
U
o
=
U
o nom
, R input not connected.
Table 2a: Input data
Input
Characteristics
Conditions
min
8
15
4.0
1
7
6
1.5
9
9
2
400
60
170
50
100
140
4000
40
670
0
1100
80
250
370
0
600
120
AM
typ
max
35
min
14
30
2.0
1
7
6
1.5
9
9
2
500
40
60
824
4
370
0
600
160
BM
typ
max
70
min
20
50
1.2
1
7
6
1.5
9
9
2
400
60
280
mΩ
µF
V DC
FM
typ
max
100
CM/CMZ
min
28
60
1.0
1
7
6
1.5
9
9
2
170
4
A
µs
A
W
typ
max
140
Unit
V DC
U
i
U
i nom
I
i
P
i 0
Operating input voltage
I
o
= 0…I
o nom
T
C min
…
T
C max
Nominal input voltage
Input current
No-load input power:
Single output
Double output
Triple output
Idle input power
U
i nom
,
I
o nom 2
U
i nom
I
o1,2,3
= 0
P
i inh
inhibit mode
I
inr p 6
Peak inrush current
t
inr r
t
inr h
R
i
C
i
Rise time
Time to half-value
Input resistance
Input capacitance
U
i
=
U
i max
R
S
= 0
Ω
3
T
C
= 25°C
T
C
= 25°C
87.5
2600
0
U
i abs
Input voltage limits
without any damage
Table 2b: Input data
Input
Characteristics
Conditions
min
DM/DMZ
typ
-
44
110
220
67
220
0.275
1.5
9
9
2
110
4
40
250
2000
4
140
0
–
270
400
5
–
2400
4
140
–400
–
270
400
–
40
240
6200
4
140
–400
0
270
400
284
1
7
6
1.5
9
9
2
160
4
300
900
mΩ
µF
V DC
V AC
max
min
EM
typ
-
385
max
min
85
88
310
0.20
1
7
6
1.5
9
9
2
60
4
A
µs
A
W
LM/LMZ
typ
max
264
372
Unit
V AC
1
V DC
U
i
Operating input voltage
I
o
= 0…I
o nom
T
C min
…
T
C max
U
i nom
Nominal input voltage
I
i
P
i 0
Input current
No-load input power:
Single output
Double output
Triple output
U
i nom
,
I
o nom 2
U
i nom
I
o1,2,3
= 0
0.55
1
7
6
P
i inh
Idle input power
I
inr p 6
Peak inrush current
t
inr r
t
inr h
R
i
C
i
Rise time
Time to half-value
Input resistance
Input capacitance
inhibit mode
U
i
=
U
i max
R
S
= 0
Ω
3
T
C
= 25°C
T
C
= 25°C
U
i abs
Input voltage limits
without any damage
1
2
3
4
5
6
In AC powered mode: LM types: 47...440 Hz; LMZ types: 47...65 Hz. See:
AC-DC Converters
≤
100 W: M-Series.
With multiple output modules, the same condition for each output applies.
R
S
= source resistance.
Value for initial switch-on cycle.
1 s max., duty cycle 1% max.
I
inr p
=
U
i
/(R
s
+
R
i
). See also:
Inrush Current.
Edition 01/01.2001
5/25
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