ISOLATED DC/DC CONVERTERS
48 Vdc Input, 3.3 Vdc/2 A, 5 Vdc/2 A, 12 Vdc/1 A, 24 Vdc/0.5 A Output
Output Specifications
Parameter
Min
Typ
Max
Notes
Output Voltage Set Point
VO=3.3 V
VO=5.0 V
VO=12 V
VO=24 V
3.201 V
4.850 V
11.64 V
23.28 V
3.30 V
5.00 V
12.00 V
24.00 V
3.399 V
5.150 V
12.36 V
24.72 V
Vin=48 V for all outputs
Line Regulation
Load Regulation
VO=3.3 V
VO=5.0 V
VO=12 V
VO=24 V
-
-
-
-
5 mV
10 mV
20 mV
35 mV
10 mV
15 mV
36 mV
48 mV
VO=3.3 V
VO=5.0 V
VO=12 V
VO=24 V
-
-
-
-
10 mV
15 mV
36 mV
48 mV
15 mV
25 mV
60 mV
80 mV
Regulation Over Temperature
(0 °C to 70 °C)
-
75 mV
150mV
Output Current
VO=3.3 V
VO=5.0 V
VO=12 V
VO=24 V
0.2 A
0.2 A
0.1 A
0.05 A
-
-
-
-
2.0 A
2.0 A
1.0 A
0.5 A
Current Limit Threshold
VO=3.3 V
VO=5.0 V
VO=12 V
VO=24 V
-
-
-
-
3.0 A
3.0 A
1.5 A
0.75 A
-
-
-
-
Short Circuit Surge Transient
Ripple and Noise (rms)
-
TBD
-
A2s
VO=3.3 V
VO=5.0 V
VO=12 V
VO=24 V
10 mV
18 mV
21 mV
45 mV
15 mV
30 mV
40 mV
70 mV
-
-
-
0 - 20 MHz BW ,
with 1 uF ceramic load
capacitance
Ripple and Noise (pk-pk)
Turn on Time
VO=3.3 V
VO=5.0 V
VO=12 V
VO=24 V
-
-
-
-
40 mV
60 mV
80 mV
120 mV
60 mV
100 mV
120 mV
180 mV
Power On
Remote On
-
-
-
200 mS
40 mS
0.5 mS
Overshoot at Turn on
Output Capacitance
-
0%
3%
VO=3.3 V
VO=5.0 V
VO=12 V
VO=24 V
0 uF
0 uF
0 uF
0 uF
-
-
-
-
800 uF
800 uF
100 uF
20 uF
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com