Crane Aerospace & Electronics Power Solutions
MTR Single, Dual and Triple DC/DC Converters
28 VOLT INPUT – 30 WATT
Typical Performance Curves: 25°C Tc, 28 VDC Vin, 100% load, free run, unless otherwise specified.
–P
OUT
=15W
V
IN
15W to 7.5W
7.5W to 15W
V
IN
+V
OUT
V
OUT
–V
OUT
50μs/div
25% 50%
50μs/div
500 μs / div
16 TO 40
MTR2805S TURN-ON INTO NO LOAD
MTR2815D +V
STEP LOAD RESPONSE
MTR2815D STEP LINE RESPONSE
OUT
FIGURE 15
FIGURE 16
FIGURE 17
10
9
8
7
2812D
2805D
6
5
4
3
15W to 3W
3W to 15W
50μs/div
V
2
IN
2815D
1
0
+V
OUT
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10
OUT
OUT
2815D
–V
OUT
2812D
2805D
+P
–P
0
3
6
9
12 15 18 21 24 27 30
30 27 24 21 18 15 12
9
6
3
0
200μs/div
10%
100%
OUTPUT LOAD (Watts)
10% to 90% LOAD +V
90% to 10% LOAD –V
CROSS REGULATION
MTR2815D TURN-ON INTO NO LOAD
MTR2815D +V
STEP LOAD RESPONSE
OUT
FIGURE 18
FIGURE 19
FIGURE 20
16.0
15.5
15.0
14.5
14.0
13.5
13.0
8
7
6
5
4
3
2
1
0
–1
–2
–3
–4
–5
–6
–7
–8
80
75
70
65
60
55
16V
2812D
2805D
COND A
40V
2815D
COND B
28V
2805D
2812D
9
12
15
18 21 24
27 30
10
20
30
40
50
OUTPUT POWER (Watts)
1% DROP
MTR SINGLES AND DUALS
LOW LINE DROPOUT
OUTPUT LOAD (%)
5
10
15
20
25
30
COND. B: 50% LOAD +V, 50% to 10% –V
COND. A: 50% LOAD –V, 50% to 10% +V
CROSS REGULATION
OUTPUT POWER (WATTS)
MTR28512T EFFICIENCY
FIGURE 23
FIGURE 22
FIGURE 21
www.craneae.com
Page 10 of 19
Rev G - 20060505
CRANE [ Crane Aerospace & Electronics. ]
