ISOLATED DC/DC CONVERTERS
48 Vdc Input 1.2 Vdc - 12 Vdc / 8.33 A - 30 A Output, 1/8 Brick
Input Specifications
Parameter
Min
Typ
Max
Notes
Input Voltage
36 V
48 V
75 V
Input Current (full load)
Input Current (no load)
Remote Off Input Current
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
-
-
-
-
-
-
-
-
-
-
-
-
-
-
3.2 A
3.2 A
2.8 A
2.2 A
1.7 A
1.7 A
1.5 A
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
-
-
-
-
-
-
-
65 mA
65 mA
60 mA
55 mA
50 mA
40 mA
35 mA
6 mA
90 mA
90 mA
80 mA
75 mA
70 mA
60 mA
50 mA
12 mA
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.
Input Reflected Ripple Current (pk-pk)
-
-
12 mA
24 mA
Input Reflected Ripple Current (rms)
2 mA
4 mA
I2t Inrush Current Transient
Turn-on Voltage Threshold
Turn-off Voltage Threshold
-
0.01 A2s
34 V
0.02 A2s
35 V
32 V
30 V
32 V
33 V
Output Specifications
Parameter
Output Voltage Set Point
Min
Typ
Max
12.24 V
5.075 V
3.350 V
2.538 V
1.827 V
1.523 V
1.218 V
Notes
Vo=12.0 V
11.760 V
4.925 V
3.250 V
2.463 V
1.773 V
1.477 V
1.182 V
12.0 V
5.0 V
3.3 V
2.5 V
1.8 V
1.5 V
1.2 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
Vin=48 V, Io=50% full load,
Ta=25 C.
Line Regulation
Load Regulation
VO=12.0 V-3.3 V
VO=1.2 V-2.5 V
-
-
2 mV
1 mV
5 mV
3 mV
8 mV
8 mV
6 mV
4 mV
3 mV
3 mV
2 mV
16 mV
16 mV
12 mV
8 mV
6 mV
6 mV
4 mV
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
-
-
-
-
-
-
-
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. ]
