MRH SERIES
15 WATT
DC/DC C
ONVERTERS
MRH
Base Model
Input Voltage
28 12 T
F / ES
MODEL
NUMBERING
KEY
Output Voltage
(Aux. Vout for triple models)
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
16V
90
16V
80
74
72
70
16
Efficiency (%)
Efficiency (%)
Efficiency (%)
68
66
64
62
60
58
28
36
70
40V
28V
60
50
40
70
28V
60
50
40
36V
4
6
8
10
12
14 15
4
6
8
10
12
14 15
56
5 6
8
10
12
14 15
Output Power (Watts)
Output Power (Watts)
Output Power (Watts)
MRH2805S Efficiency
MRH2815D Efficiency
MRH2815T Efficiency
F
IGURE
2
10
35
8
6
4
2
0
–2
–4
–6
–8
–10
1
10
Frequency (kHz)
100
F
IGURE
3
±Aux.
Output Voltage (% of nominal)
0
–1
–2
–3
–4
–5
–6
–7
–8
–9
0
1
F
IGURE
4
Attenuation (dB)
45
50
55
60
65
70
75
80
85
0.1
–Vout (% of nominal)
40
0
3
6
9
12
Pos. Output Power (Watts)
15 12
9
6
3
Neg. Output Power (Watts)
15
0
2
3
4
5
6
7
8
9
Main Output Power (Watts)
Audio Rejection, MRH Series
MRH2815T Aux. Reg. vs. Main Load
MRH2815D Neg. Output Cross Reg.
F
IGURE
5
±
Aux. Ouptut Voltage (% of nominal)
5
4
15.5
F
IGURE
6
15
F
IGURE
7
Input Voltage (Volts)
3
2
1
0
-1
-2
-3
-4
-5
Input Voltage (Volts)
2
4
6
8
10
12 14 15
+AUX
15.0
14.5
14.0
13.5
13.0
12.5
14
–AUX
13
12
0
1
2
3
4
5
6
Pos. Aux. Output Power (Watts)
6
5
4
3
2
1
0
Neg. Aux. Output Power (Watts)
12.0
11
1
3
5
7
9
11 13 15
Output Power (Watts)
50 mV Drop
Output Power (Watts)
MRH2805S Low Line Dropout
MRH2815T Low Line Dropout
MRH2815T Aux. Output with Unbalanced Loads
F
IGURE
8
F
IGURE
9
F
IGURE
10
B4-22
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.
CRANE [ Crane Aerospace & Electronics. ]
