
B4-5
MFW SERIES
70 WATT
DC/DC C
ONVERTERS
DUAL AND TRIPLE OUTPUTS
PARAMETER
OUTPUT
VOLTAGE
MFW2812D
TYP
—
±11.88
±12.00 ±12.12
MFW2815D
MIN
—
±14.85 ±15.00 ±15.15
MFW28512T
TYP
5.05
±11.65
±11.80
MFW28515T
TYP
4.95
CONDITION
FULL
LOAD
MIN
—
MAX
—
TYP
—
MAX
—
MIN
4.95
MAX
5.10
±12.05 ±15.05 ±15.30 ±15.55
MIN
4.90
MAX
5.05
UNITS
MAIN
DUAL
VDC
OUTPUT
CURRENT
1, 2
V
=
19 TO 40
MAIN
DUAL
—
—
—
2.92
—
5.5
—
—
—
2.33
—
4.4
—
—
4.0
1.67
10.0
4.2
—
—
4.0
1.33
10.0
3.33
A
OUTPUT
POWER
1, 2
MAIN
±DUAL
TOTAL
—
—
—
—
35
—
—
66.5
70
—
—
—
—
35
—
—
66.5
70
—
—
—
20
20
—
50
50
60
—
—
—
20
20
—
50
50
60
W
OUTPUT
RIPPLE
FULL LOAD
BW
≤
2 MHz
V
IN
=
MAIN
DUAL
—
—
—
30
—
50
—
—
—
30
—
50
—
—
50
50
85
85
—
—
50
50
85
85
mV p-p
LINE
REGULATION 19 TO 40
LOAD
3
REGULATION TO FULL
CROSS
4
REGULATION +PO = 3 W TO 35 W
–PO = 35 W
MAIN
DUAL
—
—
—
10
—
25
—
—
—
10
—
25
—
—
2
20
200
—
—
2
20
200
mV
100
100
NO LOAD
MAIN
DUAL
—
—
—
25
—
50
—
—
—
25
—
50
—
—
5
20
600
—
—
5
20
450
mV
480
300
DUAL
—
1.5
3.0
—
1.5
3.0
—
—
—
—
—
—
+PO = 20 W TO 50 W
–PO = 50 W TO 20 W
MAIN +PO = 33 W
%
—
2.0
4.0
—
2.0
3.5
—
—
—
—
—
—
CROSS
5
REGULATION DUAL
+PO = 3 W TO 27 W
–PO = 27 W TO 3 W
—
—
—
—
—
—
—
2.3
6.0
—
2.3
5.0
MAIN
+PO = 3 W TO 30 W
DUAL ±PO = 15 W
%
—
—
—
—
—
—
—
5.4
9.0
—
5.0
7.0
INPUT
VOLTAGE
19
28
40
19
28
40
19
28
40
19
28
40
VDC
INPUT
CURRENT
NO LOAD
INHIBITED
—
—
75
30
90
35
—
—
75
30
90
35
—
—
60
30
110
35
—
—
60
30
110
35
mA
INPUT REFL.
RIPPLE
EFFICIENCY
FULL LOAD
BW
≤
10 MHz
—
15
40
—
15
40
—
15
40
—
15
40
mA p-p
80
83
—
80
83
—
80
84
—
80
84
—
%
STARTUP
DELAY
—
15
25
—
15
25
—
6
10
—
6
10
ms
Electrical Characteristics: 25°C Tc, 28 VDC Vin, 100% load, free run, unless otherwise specified.
Notes
1. On dual output models the maximum combined output power is 70 watts.
A maximum of 95% (66.5 W) is available from any single output.
2. On triple output models the maximum combined output power is 60 watts.
A maximum of 50 watts is available from a single output.
3. Balanced loads.
4. Regulation effect on the negative dual output during the defined conditions.
5. Regulation effect on both dual outputs during the defined conditions.