Crane Aerospace & Electronics Power Solutions
sMFL 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.
8
VIN
+Vout
–Vout Voltage Change (%)
20V/div.
50% to 100%
–Pout = 32.5W
6
4
2
0
–2
–4
–6
–8
30
40
50
60
70
SMFL2805D
SMFL2812D
SMFL2815D
200mV/div.
5V/div.
100% to 50%
–Vout
SMFL2815D Step Load Response
1ms/div
SMFL2815D Turn On Response
1ms/div
No Load
Output Load (%)
+Pout 80 to 20 %, –Pout 20 to 80%
F
igure
13
F
igure
14
Cross Regulation
F
igure
15
16
Input Voltage (Volts)
15
14
13
SMFL2815S & 15D
SMFL2805S & 5D
12
11
10
SMFL2812S & 12D
20
30
40
50
60 65
Output Power (Watts)
Low Line Dropout
F
igure
16
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