ISOLATED DC/DC CONVERTERS
48 Vdc Input
3.3 Vdc - 24 Vdc/7 A - 1.25 A Output
Nov. 29, 2010
Bel Power, Inc. , a subsidiary of Bel Fuse, Inc.
Output Specifications (continued)
Parameter
Min
Typ
Max
Unit
Notes
Regulation Over Temperature
(-40 C to +85 C)
-
-
-
-
-
30
40
100
120
150
50
70
170
200
240
mV
mV
mV
mV
mV
VO=3.3 V
VO=5.0 V
VO=12.0 V
VO=15.0 V
VO=24.0 V
Total Regulation
VO=3.3 V
VO=5.0 V
VO=12.0 V
VO=15.0 V
VO=24.0 V
-
-
-
-
-
33
46
114
140
150
58
83
198
250
330
mV
mV
mV
mV
mV
Ripple and Noise (pk-pk)
VO=3.3 V
VO=5.0 V
VO=12.0 V
VO=15.0 V
VO=24.0 V
-
-
-
-
-
40
40
40
80
85
75
75
75
120
150
mV
mV
mV
mV
mV
Test condition of the output
ripple and noise: 0-20 MHz BW,
with a 1 µF ceramic capacitor
and a 10 uF/35 V electrolytic
capacitor at the output.
Ripple and Noise (rms)
Output Current Range
VO=3.3 V
VO=5.0 V
VO=12.0 V
VO=15.0 V
VO=24.0 V
-
-
-
-
-
10
10
10
15
20
20
20
20
30
40
mV
mV
mV
mV
mV
VO=3.3 V
VO=5.0 V
VO=12.0 V
VO=15.0 V
VO=24.0 V
0
0
0
0
0
-
-
-
-
-
7.0
5.0
2.5
2.0
1.25
A
A
A
A
A
Output DC Current Limit
VO=3.3 V
VO=5.0 V
VO=12.0 V
VO=15.0 V
7.7
5.5
3.0
2.2
1.5
-
-
-
-
-
12.0
8.0
4.2
3.4
2.2
A
A
A
A
A
VO=24.0 V
Short Circuit Surge Transient
-
-
-
0.5
10
0
1
25
5
A2s
mS
%
Turn on Time
Overshoot at Turn on
Output Capacitance
VO=3.3 V
VO=5.0 V
VO=12.0 V
VO=15.0 V
VO=24.0 V
0
0
0
0
0
-
-
-
-
-
3300
2200
330
330
330
uF
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com
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