Datasheet 48IMR25-1515-2, 48IMR25-15-2, 48IMR25-1212-2, 48IMR25-12-2, 48IMR25-051515-2 Datasheet (Power-one)
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IMR 25...40 Series 25...40 Watt DC-DC Converters
Input voltage range up to 72 V DC
1, 2 or 3 outputs up to 30 V DC
1500 V DC I/O electric strength test voltage
• Low cost
• Short circuit protection
• Efficiency up to 82%
Selection chart
Output 1 Output 2 Output 3 Type Type Type
U
o nomIo nomUo nomIo nomUo nomIo nom
[V DC] [A] [V DC] [A] [V DC] [A] 9...18 V DC 18...36 V DC 36...72 V DC
3.3 6.5 - - - - 12 IMR 25-03-2 24 IMR 25-03-2 48 IMR 25-03-2
3.3 10 - - - - 12 IMR 40-03-2 24 IMR 40-03-2 48 IMR 40-03-2
5 5 - - - - 12 IMR 25-05-2 24 IMR 25-05-2 48 IMR 25-05-2
5 8 - - - - 12 IMR 40-05-2 24 IMR 40-05-2 48 IMR 40-05-2
12 2.1 - - - - 12 IMR 25-12-2 24 IMR 25-12-2 48 IMR 25-12-2
12 3.5 - - - - 12 IMR 40-12-2 24 IMR 40-12-2 48 IMR 40-12-2
15 1.7 - - - - 12 IMR 25-15-2 24 IMR 25-15-2 48 IMR 25-15-2
15 3 - - - - 12 IMR 40-15-2 24 IMR 40-15-2 48 IMR 40-15-2
24 2 - - - - 12 IMR 40-24-2 24 IMR 40-24-2 48 IMR 40-24-2
+5 4.7 –5 0.3 - - 12 IMR 25-0505-2 24 IMR 25-0505-2 48 IMR 25-0505-2
+5 8 –5 0.5 - - 12 IMR 40-0505-2 24 IMR 40-0505-2 48 IMR 40-0505-2
+12 1.8 –12 0.3 - - 12 IMR 25-1212-2 24 IMR 25-1212-2 48 IMR 25-1212-2
+12 3 –12 0.5 - - 12 IMR 40-1212-2 24 IMR 40-1212-2 48 IMR 40-1212-2
+15 1.4 –15 0.3 - - 12 IMR 25-1515-2 24 IMR 25-1515-2 48 IMR 25-1515-2
+15 2 –15 0.5 - - 12 IMR 40-1515-2 24 IMR 40-1515-2 48 IMR 40-1515-2
+5 4 +12 0.3 –12 0.3 12 IMR 25-051212-2 24 IMR 25-051212-2 48 IMR 25-051212-2
+5 6 +12 0.5 –12 0.5 12 IMR 40-051212-2 24 IMR 40-051212-2 48 IMR 40-051212-2
+5 3.5 +15 0.3 –15 0.3 12 IMR 25-051515-2 24 IMR 25-051515-2 48 IMR 25-051515-2
+5 6 +15 0.5 –15 0.5 12 IMR 40-051515-2 24 IMR 40-051515-2 48 IMR 40-051515-2
+5 12 –5 0.5 +12 0.5 - 24 IMR 40-050512-2 48 IMR 40-050512-2
Input voltage Input voltage Input voltage
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Board Mountable IMR 25...40 Series
Input
Input voltage continuous range, 12 V 9...18 V DC
continuous range, 24 V 18...36 V DC
continuous range, 48 V 36...72 V DC
Reverse voltage protection shunt diode
Output
Output voltage setting accuracy
Minimum load recommended 20%
Line regulation
Load regulation
Output voltage switching noise
Control and protection
Overload protection
No-load protection
Safety and EMC
Electric strength test voltage I/O 1500 V DC
Electromagnetic interference conducted with external filter class B
U
,
U
U
i nom
i min
i nom
l
o nom
...U
,
l
i max
, 0…100%
o nom
I
, single output models ±2%
o nom
±2%
±1%
dual and triple output models (tracking) 5%
U
, 20...100
i nom
U
, full load 125%
i min
I
, peak-peak, total max. 2%
o nom
U
U
U
U
U
P
o nom
l
o nom
o nom
o nom
o nom
o nom
i nom
Environmental
Operating ambient temperature
Storage temperature non operational –25...85 °C
Relative humidity non condensing 95%
MTBF MIL-HDBK-217F, N2 2'000'000 h
U
i nom
,
l
o nom
–10...50°C
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European
Projection
IMR 25...40 Series 25...40 Watt DC-DC Converters
Mechanical data
Tolerances ±0.3 mm (0.012") unless otherwise indicated.
IMR 25 single and dual outputs units
S09039
3
1.5 (0.06")
70 (2.75")
1
2
4
5
6
7
5 x 10 (0.4")
4.5 (0.18")
23 (0.9")
10 (0.4")
Measuring point
of case temperature
IMR 25 triple output units and IMR 40
4.5 (0.18")
1.5 (0.06")
23 (0.9")
70 (2.75")
10 (0.4")
Measuring point
of case temperature
Pin allocation
Pin Single output Dual output Triple output
1 Vi+ Vi+ Vi+
2Vi– Vi– Vi–
3 Vo+ Vo+ Vo1+
4 Vo+ Vo+ COM
5Vo– COM Vo2+
6Vo– COM COM
7n.c. Vo– Vo3–
SD
1
2
52.5 (2.07")
70 (2.75")
T
C
T
C
82.5 (3.25")
100 (3.94")
7.5 (0.3")
S09040
3
4
5
6
7
5 x 10 (0.4")
7.5 (0.3")
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