Crane Aerospace & Electronics Power Solutions
MHF+ Single, Dual and Triple DC/DC Converters
28 VOLT INPUT – 15 WATT
Typical Performance Curves: 25°C Tc , 28 VDC Vin, 100% load, free run, unless otherwise specified.
V
IN
100% to 10%
10% to 100%
+V
OUT
P
= 12W
OUT
V
IN
V
OUT
1 ms/div
16V TO 40V
MHF+2815D STEP LINE RESPONSE
2 ms/div
200μs/div
10% 100%
MHF+2805S STEP LOAD RESPONSE
MHF+2805S TURN-ON INTO FULL LOAD
FIGURE 17
FIGURE 18
FIGURE 16
P
= 7.5 W
100% to 50%
P = 7.5 W
O
O
–V
+V
OUT
100% to 20%
OUT
20% to 100%
V
IN
50% to 100%
50μs/div
50% 100%
STEP LOAD RESPONSE
50μs/div
20% 100%
STEP LOAD RESPONSE
2 ms/div
MHF+2815D +V
MHF+2815D +V
OUT
MHF+2815D TURN-ON INTO FULL LOAD
OUT
FIGURE 19
FIGURE 20
FIGURE 21
10
8
2805D
2812D
10
5
16
6
MHF+2805S&D
4
COND A
COND B
15
2
2812D
2815D
0
2815D
0
–5
14
–2
–4
–6
–8
–10
MHF+2812S&D
MHF+2815S&D
2812D
2805D
13
12
2805D
–10
0
20
40
60
80
100
10
11
12
13
14
15
10
20
30
40
50
POSITIVE OUTPUT LOAD (% OF TOTAL LOAD)
–V
OUTPUT POWER (Watts)
50 mV DROP
LOW LINE DROPOUT VS. LOAD
OUTPUT LOAD (%)
WITH SHIFT IN LOAD BALANCE
OUT CROSS REGULATION
COND. A: 50% LOAD +V; 50% to 10% –V
COND. B: 50% LOAD –V; 50% to 10% +V
MHF+2805D/MHF+2812D/MHF+2815D
CROSS REGULATION
FIGURE 22
FIGURE 23
FIGURE 24
www.craneae.com
Page 13 of 20
Rev K - 20060613
CRANE [ Crane Aerospace & Electronics. ]
