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.
20V/div
20V/div
VIN
15W to 7.5W
+VOUT
–POUT =15W
1V/div
20mV/div
100mV/div
7.5W to 15W
VIN
VOUT
–VOUT
500
μs
/ div
MTR2805S TURN-ON INTO NO LOAD
50μs/div
16 TO 40
50μs/div
25%
50%
MTR2815D STEP LINE RESPONSE
MTR2815D +VOUT STEP LOAD RESPONSE
F
IGURE
15
F
IGURE
16
F
IGURE
17
15W to 3W
100mV/div
VIN
+VOUT
3W to 15W
–VOUT
50μs/div
10%
100%
200μs/div
10
9
8
7
2812D
6
5
4
2805D
3
2
1 2815D
0
-1
2815D
-2
-3
-4
2812D
-5
-6
2805D
-7
-8
-9
-10
+POUT 0 3 6 9 12 15 18 21 24 27 30
–POUT 30 27 24 21 18 15 12 9 6 3 0
–V
OUT
VOLTAGE CHANGE (%)
5V/div
20V/div
MTR2815D +VOUT STEP LOAD RESPONSE
MTR2815D TURN-ON INTO NO LOAD
OUTPUT LOAD (Watts)
10% to 90% LOAD +V
90% to 10% LOAD –V
CROSS REGULATION
F
IGURE
18
F
IGURE
19
F
IGURE
20
8
7
6
5
4
3
2
1
0
–1
–2
–3
–4
–5
–6
–7
–8
16.0
80
15.5
2805D
COND A
2815D
COND B
2805D
2812D
16V
75
–V
OUT
VOLTAGE CHANGE (%)
INPUT VOLTAGE (Volts)
2812D
15.0
EFFICIENCY (%)
40V
70
28V
65
14.5
14.0
13.5
60
13.0
10
20
30
40
50
9
12
15
18
21
24
27
30
55
5
10
15
20
25
30
OUTPUT LOAD (%)
COND. B: 50% LOAD +V, 50% to 10% –V
COND. A: 50% LOAD –V, 50% to 10% +V
OUTPUT POWER (Watts)
1% DROP
CROSS REGULATION
MTR SINGLES AND DUALS
LOW LINE DROPOUT
OUTPUT POWER (WATTS)
MTR28512T EFFICIENCY
F
IGURE
21
www.craneae.com
F
IGURE
22
Page 10 of 19
Rev G - 20060505
F
IGURE
23
CRANE [ Crane Aerospace & Electronics. ]
