Crane Aerospace & Electronics Power Solutions
MCH/MGH Single and Dual DC/DC Converters
28 VOLT INPUT – 1.5 WATT
Typical Performance Curves: 25°C Tc, 28 VDC Vin, 100% load, unless otherwise specified.
MGH S
INGLE AND
D
UAL OUTPUT MODELS
90
80
12 VOLT
EFFICIENCY
70
EFFICIENCY
28 VOLT
60
50
40
30
0.25 0.5 0.75 1 1.25 1.5 1.75
0
ALL 5 VOLT MODELS
OUTPUT POWER
50 VOLT
70
28 VOLT
60
50 VOLT
50
40
30
0.25 0.5 0.75
0
OUTPUT POWER
1 1.25 1.5
1.75
12 & 15 V SINGLES
EFFICIENCY
90
80
12 VOLT
70
60
50
40
30
0.25 0.5 0.75 1 1.25 1.5 1.75
0
12 & 15 V DUAL MODELS
OUTPUT POWER
28 VOLT
50 VOLT
90
80
12 VOLT
EFFICIENCY vs LINE & LOAD
EFFICIENCY vs LINE & LOAD
EFFICIENCY vs LINE & LOAD
F
IGURE
20
F
IGURE
21
F
IGURE
22
0
20 V / div.
20
ATTENUATION (dB)
40
60
80
V
in
50 VDC
FULL LOAD TO HALF LOAD
100 mV / div.
12 VDC
100 mV / div.
V
out
HALF LOAD TO FULL LOAD
100
10
60
FREQUENCY (kHz)
MGH2815S - Representative of all models
1
200 s / div.
MGH2805S
500 s / div.
MGH2805S
LINE TRANSIENT RESPONSE
LOAD TRANSIENT RESPONSE
AUDIO REJECTION
F
IGURE
23
F
IGURE
24
F
IGURE
25
20V/div.
20 V / div.
V
in
V
in
50 VDC
12 VDC
200 mV / div.
+V
OUT
FULL LOAD TO HALF LOAD
–V
OUT
HALF LOAD TO FULL LOAD
200 mV / div.
2V/div.
+V
out
–V
out
200 s / div.
MGH2815D
V
out
6
0
2
4
8 10 12 14 16 18
TIME (ms)
MGH2805S
Representative of all 5 volt models
–V
OUT
FULL LOAD TO HALF LOAD
+V
OUT
HALF LOAD TO FULL LOAD
500 s / div.
MGH2815D
TURN-ON INTO FULL LOAD
LINE TRANSIENT RESPONSE
LOAD TRANSIENT RESPONSE
F
IGURE
26
F
IGURE
27
F
IGURE
28
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