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.
8
19
–Vout Voltage Change (%)
6
4
2
0
–2
–4
–6
–8
30
40
20V/div.
VIN
+Vout
Input Voltage (Volts)
SMFLHP2805D
SMFLHP2805S & 5D
18
SMFLHP2815S
& 15D
17
SMFLHP2812D
SMFLHP2815D
5V/div.
–Vout
SMFLHP2812S & 12D
50
60
70
16
30
40
50
60
70
80
90 100
1ms/div
No Load
SMFLHP2815D Turn On Response
Output Load (%)
+Pout 70 to 30 %, –Pout 30 to 70%
Output Power (Watts)
Cross Regulation
Low Line Dropout
F
IGURE
13
F
IGURE
14
F
IGURE
15
Line Transient Response mVp
700
600
500
400
300
25°C
100°C
125°C
200
100
0
10
100
1000
10000
-55°C
Vin Rise-time (µs)
SMFLHP2815D Line Transient Response
vs. Vin Rise-time
F
IGURE
16
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