Crane Aerospace & Electronics Power Solutions
SMFLHP Single and Dual DC/DC Converters
28 VOLT INPUT – 100 WATT
SINGLE OUTPUT MODELS CONNECTION DIAGRAMS - SENSE AND PARALLEL
12
11
10
9
8
7
1
2
3
4
5
6
Positive Input
Input Common
TR1
INH1
Sync Out
Sync In
MSTR/INH2
Slave
Pos. Sense
+
–
28V
Sense Return
Output Common
Positive Output
Inhibit
–
+
Sync In
R
L
REMOTE SENSE CONNECTION
12
11
10
9
8
7
1
2
3
4
5
6
Positive Input
Input Common
TR1
INH1
Sync Out
Sync In
MSTR/INH2
Slave
Pos. Sense
+
–
28V
RA
Inhibit
Sense Return
Output Common
Positive Output
–
+
Sync In
R
L
OUTPUT VOLTAGE ADJUST CONNECTION
RA (OHMS)
VOUT INCREASE
(VOLT)
0.1
3.3–V
5–V
12–V 15–V
120
240
360
480
600
70
25
50
20
40
0.2
0.3
0.4
0.5
140
210
280
350
75
60
100
125
80
100
FIGURE 2: SENSE CONNECTIONS AND TRIM TABLE
12
11
10
9
1
2
3
4
5
6
Positive Input
Input Common
TR1
MSTR/INH2
Slave
+
–
28V
Pos. Sense
MASTER
Inhibit
INH1
Sense Return
Output Common
Positive Output
–
+
8
Sync Out
Sync In
7
Sync In
R
L
CONNECT ONLY WHEN 2 SLAVES ARE USED
12
11
10
9
1
2
3
4
5
6
Positive Input
Input Common
TR1
MSTR/INH2
Slave
Pos. Sense
SLAVE 1
INH1
Sense Return
Output Common
Positive Output
8
Sync Out
Sync In
7
1
2
3
4
5
6
12
11
10
9
Positive Input
Input Common
TR1
MSTR/INH2
Slave
Pos. Sense
SLAVE 2
INH1
Sense Return
Output Common
Positive Output
8
Sync Out
Sync In
7
FIGURE 3: PARALLEL CONNECTIONS
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Rev H - 20071221
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