ISOLATED DC/DC CONVERTERS
48 Vdc Input 1.2 Vdc - 12 Vdc / 8.33 A - 30 A Output, 1/8 Brick
Converter
Input Specifications
Parameter
Input Voltage
Input Current (full load)
Vo=12.0 V
Vo=5.0 V
Vo=3.3 V
Vo=2.5 V
Vo=1.8 V
Vo=1.5 V
Vo=1.2 V
Input Current (no load)
Vo=12.0 V
Vo=5.0 V
Vo=3.3 V
Vo=2.5 V
Vo=1.8 V
Vo=1.5 V
Vo=1.2 V
Remote Off Input Current
Input Reflected Ripple Current (pk-pk)
Input Reflected Ripple Current (rms)
I t Inrush Current Transient
Turn-on Voltage Threshold
Turn-off Voltage Threshold
2
Min
36 V
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Typ
48 V
-
-
-
-
-
-
-
65 mA
65 mA
60 mA
55 mA
50 mA
40 mA
35 mA
6 mA
12 mA
2 mA
0.01 A s
34 V
32 V
2
Max
75 V
3.2 A
3.2 A
2.8 A
2.2 A
1.7 A
1.7 A
1.5 A
90 mA
90 mA
80 mA
75 mA
70 mA
60 mA
50 mA
12 mA
24 mA
4 mA
0.02 A s
35 V
33 V
2
Notes
-
-
-
32 V
30 V
Tested with simulated source
impedance of 10 uH, 5 Hz to 20 MHz;
use a 100 uF/100 V electrolytic
capacitor with ESR = 1 ohm max. at
200 kHz at 25
C.
Output Specifications
Parameter
Output Voltage Set Point
Vo=12.0 V
Vo=5.0 V
Vo=3.3 V
Vo=2.5 V
Vo=1.8 V
Vo=1.5 V
Vo=1.2 V
Line Regulation
V
O
=12.0 V-3.3 V
V
O
=1.2 V-2.5 V
Load Regulation
Vo=12.0 V
Vo=5.0 V
Vo=3.3 V
Vo=2.5 V
Vo=1.8 V
Vo=1.5 V
Vo=1.2 V
-
-
-
-
-
-
-
-
-
Min
11.760 V
4.925 V
3.250 V
2.463 V
1.773 V
1.477 V
1.182 V
Typ
12.0 V
5.0 V
3.3 V
2.5 V
1.8 V
1.5 V
1.2 V
2
mV
1
mV
8
mV
8
mV
6
mV
4
mV
3
mV
3
mV
2
mV
Max
12.24 V
5.075 V
3.350 V
2.538 V
1.827 V
1.523 V
1.218 V
5
mV
3
mV
16
mV
16
mV
12
mV
8
mV
6
mV
6
mV
4
mV
Notes
Vin=48 V, Io=50% full load,
Ta=25
C.
Bel Fuse Inc.
206 Van Vorst Street, Jersey City, NJ 07302
Tel 201-432-0463
Fax 201-432-9542
www.belfuse.com
BEL [ BEL FUSE INC. ]
