Crane Aerospace & Electronics Power Solutions
SMTR Single, Dꢀꢁl ꢁnd Triple DC/DC Converters
28 VOꢂT INPuT – 30 WaTT – PENDINꢃ REVISION F REꢂEaSE
Typical Performance Curves: 25°C Tc, 28 VDC Vin, 100% load, free run, unless otherwise specified.
80
75
70
65
60
55
0
16V
10
V
20
30
IN
+5 V
40V
OUT
40
50
28V
60
+AUX
–AUX
70
80
90
100
0.1
50µs/div
1
10
100
16V TO 40V
FREQUENCY (kHz)
SMTR SERIES AUDIO REJECTION
TRIPLE OUTPUT MODELS
5
10
15
20
25
30
SMTR28515T STEP LINE RESPONSE
OUTPUT POWER (WATTS)
SMTR28515T EFFICIENCY
Fi g u r e 24
Fi g u r e 25
Fi g u r e 26
V
IN
V
+5 V
IN
50% to 100%
50 µs/div
+AUX
–AUX
±15 V
OUT
+5 V
OUT
1ms/div
50% to 100%
500 µs/div
SMTR28515T, MAIN (+5)
TURN-ON INTO FULL LOAD
500µs/div
SMTR28515T, AUX. (±15)
TURN-ON INTO FULL LOAD
50%
100%
SMTR28515T STEP LOAD RESPONSE
Fi g u r e 27
Fi g u r e 28
Fi g u r e 29
16.0
15.5
15.0
14.5
14.0
13.5
16.0
15.5
15.0
14.5
14.0
13.5
5
10
15
20
25
30
5
10
15
20
25
30
OUTPUT POWER (WATTS)
1% DROP
SMTR28512T
LOW LINE DROPOUT VS. LOAD
OUTPUT POWER (WATTS)
1% DROP
SMTR28515T
LOW LINE DROPOUT VS. LOAD
Fi g u r e 30
Fi g u r e 31
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Rev F - 20090324 - Pending Revision F Release
CRANE [ Crane Aerospace & Electronics. ]
