SMSA SERIES
5 WATT
DC/DC CONVERTERS
Typical Performance Curves: 25°C Tc, 28 VDC Vin, 100% load, unless otherwise specified.
80
80
70
60
50
40
30
80
70
60
50
40
30
16V
16V
16V
70
60
50
40
30
28V
28V
28V
40V
40V
40V
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
OUTPUT POWER (Watts)
SMSA2805S EFFICIENCY
OUTPUT POWER (Watts)
SMSA2815S EFFICIENCY
OUTPUT POWER (Watts)
SMSA2812S EFFICIENCY
FIGURE 2
FIGURE 3
FIGURE 4
80
70
60
50
40
30
16V
10
20
V
IN
30
40
40V
28V
50
60
70
V
80
OUT
90
100
0.1
1
2
3
4
5
6
1
10
100
100µs/div
OUTPUT POWER (Watts)
SMSA2815D EFFICIENCY
FREQUENCY (kHz)
SMSA SERIES AUDIO REJECTION
16V TO 40V
SMSA2805S STEP LINE RESPONSE
FIGURE 5
FIGURE 6
FIGURE 7
100% to 10%
100% to 50%
V
IN
10% to 100%
50% to 100%
V
OUT
100µs/div
1 ms / div
100µs/div
10% 100%
50% 100%
SMSA2805S TURN-ON INTO NO LOAD
SMSA2805S STEP LOAD RESPONSE
SMSA2805S STEP LOAD RESPONSE
FIGURE 8
FIGURE 9
FIGURE 10
50% to 10%
–P =2.5W
OUT
–P
=0.5W
OUT
V
IN
90% to 10%
+V
OUT
–V
OUT
10% to 90%
10% to 50%
200µs/div
100µs/div
10% 50%)
200µs/div
10% 90%
16V TO 40V
SMSA2815D INPUT STEP LINE RESPONSE
SMSA2815D +V STEP LOAD RESPONSE
SMSA2815D +V STEP LOAD RESPONSE
O
O
FIGURE 12
FIGURE 13
FIGURE 11
7
CRANE [ Crane Aerospace & Electronics. ]
