MRH SERIES
15 WATT
DC/DC CONVERTERS
MRH
28 12
T
F / ES
Base Model
Input Voltage
Output Voltage
(Aux. Vout for triple models)
MODEL
NUMBERING
KEY
Number of Outputs
(S = single, D = dual, T = triple)
Case Option
(Non-flanged case has no designator in
this position)
Screening
(Standard screening has no designator
in this position.)
Typical Performance Curves: 25°C Tc , 28 VDC Vin, 100% load, unless otherwise specified.
90
80
70
60
50
40
74
72
70
68
66
64
62
60
58
56
90
80
70
60
50
40
16
16V
16V
28V
28
36
36V
40V
28V
4
6
8
10
12 14 15
4
6
8
10
12
1415
5
6
8
10
12
14 15
Output Power (Watts)
Output Power (Watts)
Output Power (Watts)
MRH2805S Efficiency
MRH2815D Efficiency
MRH2815T Efficiency
FIGURE 2
FIGURE 3
FIGURE 4
10
8
0
35
40
45
50
55
60
65
70
75
80
85
–1
–2
6
4
–3
–4
2
0
–2
–4
–6
–8
–10
–5
–6
–7
–8
–9
0
3
6
9
12
15
0
0.1
1
10
100
0
1
2
3
4
5
6
7
8
9
Pos. Output Power (Watts)
Frequency (kHz)
Main Output Power (Watts)
15 12
9
6
3
Neg. Output Power (Watts)
MRH2815T Aux. Reg. vs. Main Load
Audio Rejection, MRH Series
MRH2815D Neg. Output Cross Reg.
FIGURE 5
FIGURE 6
FIGURE 7
15
15.5
15.0
14.5
14.0
13.5
13.0
12.5
12.0
5
4
+AUX
3
14
13
12
11
2
1
–AUX
0
-1
-2
-3
-4
-5
0
1
2
3
4
5
6
0
2
4
6
8
10 12 14 15
1
3
5
7
9
11 13 15
Output Power (Watts)
Pos. Aux. Output Power (Watts)
Output Power (Watts)
50 mV Drop
6
5
4
3
2
1
MRH2815T Low Line Dropout
MRH2805S Low Line Dropout
Neg. Aux. Output Power (Watts)
MRH2815T Aux. Output with Unbalanced Loads
FIGURE 8
FIGURE 9
FIGURE 10
23821-001-DTS Rev A
DQ# 1020
All technical information is believed to be accurate, but no responsibility is
assumed for errors or omissions. Interpoint reserves the right to make changes in
products or specifications without notice. MRH Series is a trademark of Interpoint.
Copyright © 1994 - 1999 Interpoint. All rights reserved.
B4-22
CRANE [ Crane Aerospace & Electronics. ]
