IMR 25 - 40 Series Data Sheet
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%
Model Selection
Output 1
Output 2
Output 3
V
o nom
I
o nom
V
o nom
I
o nom
V
o nom
I
o nom
[V DC] [A] [V DC] [A] [V DC] [A]
3.3
6.5
-
-
-
-
3.3
10
-
-
-
-
5
5
-
-
-
-
5
8
-
-
-
-
12
2.1
-
-
-
-
12
3.5
-
-
-
-
15
1.7
-
-
-
-
15
3
-
-
-
-
24
2
-
-
-
-
+5
4.7
–5
0.3
-
-
+5
8
–5
0.5
-
-
+12 1.8
–12 0.3
-
-
+12
3
–12 0.5
-
-
+15 1.4
–15 0.3
-
-
+15
2
–15 0.5
-
-
+5
4
+12 0.3
–12 0.3
+5
6
+12 0.5
–12 0.5
+5
3.5
+15 0.3
–15 0.3
+5
6
+15 0.5
–15 0.5
+5
12
–5
0.5
+12 0.5
Type
Input voltage
9 - 18 V DC
12 IMR 25-03-2
12 IMR 40-03-2
12 IMR 25-05-2
12 IMR 40-05-2
12 IMR 25-12-2
12 IMR 40-12-2
12 IMR 25-15-2
12 IMR 40-15-2
12 IMR 40-24-2
12 IMR 25-0505-2
12 IMR 40-0505-2
12 IMR 25-1212-2
12 IMR 40-1212-2
12 IMR 25-1515-2
-
12 IMR 25-051212-2
12 IMR 40-051212-2
12 IMR 25-051515-2
12 IMR 40-051515-2
-
Type
Input voltage
18 - 36 V DC
24 IMR 25-03-2
24 IMR 40-03-2
24 IMR 25-05-2
24 IMR 40-05-2
24 IMR 25-12-2
24 IMR 40-12-2
24 IMR 25-15-2
24 IMR 40-15-2
24 IMR 40-24-2
24 IMR 25-0505-2
24 IMR 40-0505-2
24 IMR 25-1212-2
24 IMR 40-1212-2
24 IMR 25-1515-2
24 IMR 40-1515-2
24 IMR 25-051212-2
24 IMR 40-051212-2
24 IMR 25-051515-2
24 IMR 40-051515-2
24 IMR 40-050512-2
Type
Input voltage
36 - 72 V DC
48 IMR 25-03-2
48 IMR 40-03-2
48 IMR 25-05-2
48 IMR 40-05-2
48 IMR 25-12-2
48 IMR 40-12-2
48 IMR 25-15-2
48 IMR 40-15-2
48 IMR 40-24-2
48 IMR 25-0505-2
48 IMR 40-0505-2
48 IMR 25-1212-2
48 IMR 40-1212-2
48 IMR 25-1515-2
48 IMR 40-1515-2
48 IMR 25-051212-2
48 IMR 40-051212-2
48 IMR 25-051515-2
48 IMR 40-051515-2
48 IMR 40-050512-2
Model numbers highlighted in yellow or shaded are not recommended for new designs.
REV. JUN
08,
2004
Page 1 of 3
IMR 25 - 40 Series Data Sheet
25 - 40 Watt DC-DC Converters
Input
Input voltage
continuous range, 12 V
continuous range, 24 V
continuous range, 48 V
shunt diode
9 - 18 V DC
18 - 36 V DC
36 - 72 V DC
Reverse voltage protection
Output
Output voltage setting accuracy
V
i nom
,
l
o nom
Minimum load
recommended
Line regulation
V
i min
- V
i max
,
l
o nom
Load regulation
V
i nom
, 0…100%
I
o nom
, single output models
dual and triple output models (tracking)
Output voltage switching noise
V
i nom
, 20 - 100
I
o nom
, peak-peak, total
±2%
V
o nom
20%
l
o nom
±1%
V
o nom
±2%
V
o nom
5%
V
o nom
max. 2%
V
o nom
Control and protection
Overload protection
No-load protection
V
i min
, full load
125%
P
i nom
Safety and EMC
Electric strength test voltage
Electromagnetic interference
I/O
conducted with external filter
1500 V DC
class B
Environmental
Operating ambient temperature
Storage temperature
Relative humidity
MTBF
V
i nom
,
l
o nom
non operational
non condensing
MIL-HDBK-217F, N2
–10 to 50°C
–25 to 85°C
95%
2'000'000 h
REV. JUN
08,
2004
Page 2 of 3
IMR 25 - 40 Series Data Sheet
25 - 40 Watt DC-DC Converters
Mechanical data
Tolerances ±0.3 mm (0.012") unless otherwise indicated.
European
Projection
IMR 25 single and dual outputs units
S09039
3
1.5 (0.06")
5 x 10 (0.4")
1
70 (2.75")
4
5
2
6
7
4.5 (0.18")
23 (0.9")
10 (0.4")
52.5 (2.07")
70 (2.75")
7.5 (0.3")
Measuring point
of case temperature
T
C
IMR 25 triple output units and IMR 40
S09040
SD
1.5 (0.06")
3
5 x 10 (0.4")
1
70 (2.75")
4
5
2
6
7
4.5 (0.18")
23 (0.9")
10 (0.4")
82.5 (3.25")
100 (3.94")
7.5 (0.3")
Measuring point
of case temperature
T
C
Pin allocation
Pin
1
2
3
4
5
6
7
Single output Dual output
Vi+
Vi+
Vi–
Vi–
Vo+
Vo+
Vo+
Vo+
Vo–
COM
Vo–
COM
n.c.
Vo–
Triple output
Vi+
Vi–
Vo1+
COM
Vo2+
COM
Vo3–
NUCLEAR AND MEDICAL APPLICATIONS - Power-One products are not authorized for use as critical
components in life support systems, equipment used in hazardous environments, or nuclear control systems
without the express written consent of the respective divisional president of Power-One, Inc.
TECHNICAL REVISIONS - The appearance of products, including safety agency certifications pictured on
labels, may change depending on the date manufactured. Specifications are subject to change without notice.
REV. JUN
08,
2004
Page 3 of 3
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