Crane Aerospace & Electronics Power Solutions
MHF+ Single, Dual and Triple DC/DC Converters
28 VOLT INPUT – 15 WATT
Typical Performance Curves: 25°C Tc , 28 VDC Vin, 100% load, free run, unless otherwise specified.
80
75
80
75
16 V
16 V
5 VDC
28 V
28 V
70
65
60
70
65
48 V
48 V
+15 VDC
–15 VDC
60
55
55
5 ms / div.
2
4
6
10
12 14 16
8
2
4
6
10
12 14 16
8
INPUT V: 16 TO 40 VDC, ±15 = 250 mA EACH, +5 = 1.5 A
OUTPUT POWER (W)
OUTPUT POWER (W)
MHF+ 28515T STEP LINE RESPONSE
MHF+28512T has a similar response
MHF+28512T EFFICIENCY
MHF+28515T EFFICIENCY
FIGURE 25
FIGURE 26
FIGURE 27
V
IN
V
V
IN
IN
INPUT
GND
INPUT
GND
+12 VDC
+5 VDC
+5 VDC
–12 VDC
+5
+5
GND
GND
5 ms / div.
5 ms / div.
5 ms / div.
MHF+28512T TURN ON INTO FULL LOAD
MAIN
MHF+28512T TURN ON INTO FULL LOAD
MAIN
MHF+28512T TURN ON INTO FULL LOAD
AUXILIARIES
MHF+28515T has a similar response
MHF+28515T has a similar response
MHF+28515T has a similar response
FIGURE 28
FIGURE 29
FIGURE 30
11.5
11
MHF+28515T
10.5
10
MHF+28512T
9.5
9
8.5
2
4
6
8
10 12 14 16
MAXIMUM OUTPUT POWER (W)
LOW LINE DROPOUT
FIGURE 31
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