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
EFFICIENCY
75
EFFICIENCY
28 V
70
65
60
55
28 V
48 V
200 mV / div.
16 V
80
16 V
5 VDC
70
65
60
55
48 V
500 mV / div.
+15 VDC
–15 VDC
2
4
6
8
10
12
14
16
2
4
6
8
10
12
14
16
OUTPUT POWER (W)
OUTPUT POWER (W)
5 ms / div.
INPUT V: 16 TO 40 VDC,
±15
= 250 mA EACH, +5 = 1.5 A
MHF+28512T EFFICIENCY
MHF+28515T EFFICIENCY
MHF+ 28515T STEP LINE RESPONSE
MHF+28512T has a similar response
F
IGURE
25
10 V / div.
10 V / div.
VIN
F
IGURE
26
10 V / div.
VIN
F
IGURE
27
VIN
INPUT
GND
2 V / div.
+5 VDC
INPUT
GND
2 V / div.
5 V / div.
+5 VDC
+12 VDC
+5
GND
5 ms / div.
+5
GND
5 ms / div.
–12 VDC
5 ms / div.
MHF+28512T TURN ON INTO FULL LOAD
MAIN
MHF+28515T has a similar response
MHF+28512T TURN ON INTO FULL LOAD
MAIN
MHF+28515T has a similar response
MHF+28512T TURN ON INTO FULL LOAD
AUXILIARIES
MHF+28515T has a similar response
F
IGURE
28
11.5
11
INPUT VOLTAGE
10.5
10
MHF+28512T
9.5
9
8.5
2
4
6
8
10
12
14
16
MAXIMUM OUTPUT POWER (W)
MHF+28515T
F
IGURE
29
F
IGURE
30
LOW LINE DROPOUT
F
IGURE
31
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Rev K - 20060613
CRANE [ Crane Aerospace & Electronics. ]
