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 SINGLE AND DUAL OUTPUT MODELS
90
80
70
90
80
70
90
80
70
60
50
40
30
12 VOLT
12 VOLT
28 VOLT
12 VOLT
28 VOLT
28 VOLT
50 VOLT
60
50
60
50
50 VOLT
50 VOLT
40
30
40
30
0
0.25 0.5
1
1.25 1.5 1.75
0.75
0
0.25 0.5
1
1.25 1.5 1.75
12 & 15 V SINGLES
0.75
0
0.25 0.5
1
1.25 1.5 1.75
ALL 5 VOLT MODELS
0.75
OUTPUT POWER
12 & 15 V DUAL MODELS
OUTPUT POWER
OUTPUT POWER
EFFICIENCY vs LINE & LOAD
FIGURE 20
EFFIFCIIEGNUCYRvEs L2IN1E & LOAD
EFFIFCIIEGNUCYRvEs L2IN2E & LOAD
0
20
V
in
50 VDC
12 VDC
FULL LOAD TO HALF LOAD
40
60
V
out
80
HALF LOAD TO FULL LOAD
100
1
10
60
500 s / div.
MGH2805S
200 s / div.
MGH2805S
FREQUENCY (kHz)
MGH2815S - Representative of all models
AUDIO REJECTION
LOAD TRANSIENT RESPONSE
LINE TRANSIENT RESPONSE
FIGURE 23
FIGURE 24
FIGURE 25
V
in
V
in
+V
OUT
–V
OUT
FULL LOAD TO HALF LOAD
HALF LOAD TO FULL LOAD
50 VDC
12 VDC
+V
–V
out
V
out
–V
+V
FULL LOAD TO HALF LOAD
HALF LOAD TO FULL LOAD
OUT
OUT
out
0
2
4
6
8
10 12 14 16 18
MGH2805S
TIME (ms)
500 s / div.
MGH2815D
200 s / div.
MGH2815D
Representative of all 5 volt models
TURN-ON INTO FULL LOAD
LOAD TRANSIENT RESPONSE
LINE TRANSIENT RESPONSE
FIGURE 26
FIGURE 27
FIGURE 28
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