Crane Aerospace & Electronics Power Solutions
SMFLHP Single and Dual DC/DC Converters
28 VOLT INPUT – 100 WATT
Typical Performance Curves: 25°C Tc , 28 VDC Vin, 100% load, free run, unless otherwise specified.
90
85
90
85
80
75
70
65
60
90
85
80
19V
19V
19V
28V
28V
80
75
70
28V
40V
75
70
65
60
40V
40V
65
60
10
30
50
70
90
10
30
50
70
90 100
10
30
50
70
90
Output (Watts)
Output Power (Watts)
Output Power (Watts)
SMFLHP2805S & SMFLHP2805D
Efficiency
SMFLHP2815S & SMFLHP2815D
Efficiency
SMFLHP2812S & SMFLHP2812D
Efficiency
FIGURE 4
FIGURE 6
FIGURE 5
0.
100% to 50%
20.
Vout
40.
60.
80.
50% to 100%
Vin
100.
50 µs/div
19 to 40 V
1ms/div
0.1
1
10
100
Frequency (kHz)
SMFLHP2805S Step Load Response
SMFLHP Series Audio Rejection
SMFLHP2805S Step Line Response
FIGURE 8
FIGURE 9
FIGURE 7
50% to 100%
Vin
Vin
+Vout
Vout
–Vout
100% to 50%
1ms/div
No Load
50 µs/div
19 to 40 V
1ms/div
SMFLHP2815D Step Load Response
SMFLHP2805S Turn On Response
SMFLHP2815D Step Line Response
FIGURE 10
FIGURE 11
FIGURE 12
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Rev H - 20071221
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