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
U
o nom
I
o nom
U
o nom
I
o nom
U
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 40-1515-2
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
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1
Board Mountable
Input
Input voltage
continuous range, 12 V
continuous range, 24 V
continuous range, 48 V
shunt diode
IMR 25...40 Series
9...18 V DC
18...36 V DC
36...72 V DC
Reverse voltage protection
Output
U
i nom
,
l
o nom
recommended
U
i min
...U
i max
,
l
o nom
U
i nom
, 0…100%
I
o nom
, single output models
dual and triple output models (tracking)
Output voltage switching noise
U
i nom
, 20...100
I
o nom
, peak-peak, total
Output voltage setting accuracy
Minimum load
Line regulation
Load regulation
±2%
U
o nom
20%
l
o nom
±1%
U
o nom
±2%
U
o nom
5%
U
o nom
max. 2%
U
o nom
Control and protection
Overload protection
No-load protection
U
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
U
i nom
,
l
o nom
non operational
non condensing
MIL-HDBK-217F, N2
–10...50°C
–25...85°C
95%
2'000'000 h
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2
IMR 25...40 Series
Mechanical data
25...40 Watt DC-DC Converters
European
Projection
Tolerances
±0.3
mm (0.012") unless otherwise indicated.
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")
1
70 (2.75")
3
5 x 10 (0.4")
7.5 (0.3")
4
5
2
6
7
4.5 (0.18")
23 (0.9")
10 (0.4")
82.5 (3.25")
100 (3.94")
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–
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3
stm32/stm8
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