Crane Aerospace & Electronics Power Solutions
MFL Single and Dual DC/DC Converters
28 VOLT INPUT – 65 WATT
Typical Performance Curves: 25°C Tc , 28 VDC Vin, 100% load, free run, unless otherwise specified.
90
85
16V
90
85
16V
90
85
16V
Efficiency (%)
Efficiency (%)
Efficiency (%)
80
75
28V
80
75
70
65
28V
80
75
70
65
40V
28V
40V
70
65
60
10
20
30
40
50
40V
Output (Watts)
60
10
20
30
40
50
60
60
10
20
30
40
50
60 65
Output Power (Watts)
Output Power (Watts)
MFL2805S & MFL2805D Efficiency
MFL2812S & MFL2812D Efficiency
MFL2815S & MFL2815D Efficiency
F
IGURE
4
F
IGURE
5
F
IGURE
6
90
16 VIN
85
80
75
70
65
60
0
10
20 30 40 50 60 70
40 VIN
28 VIN
0.
20.
Attenuation (dB)
Efficiency (%)
100mV/div.
20V/div.
Vout
40.
60.
80.
Vin
100.
0.1
1
10
100
Output Power (Watts)
Frequency (kHz)
MFL2828S Efficiency
MFL Series Audio Rejection
50
μs/div
16 to 40 V
MFL2805S Step Line Response
F
IGURE
7
F
IGURE
8
F
IGURE
9
100% to 50%
20V/div.
Vin
20V/div.
100mV/div.
1ms/div
No Load
Vin
+Vout
100mV/div.
1V/div.
50% to 100%
Vout
–Vout
1ms/div
MFL2805S Step Load Response
MFL2805S Turn On Response
50
μs/div
16 to 40 V
MFL2815D Step Line Response
F
IGURE
10
F
IGURE
11
F
IGURE
12
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