ISOLATED DC/DC CONVERTERS
48V Input 12V/12A, 3.3V/45A, 5V/30A, 1.2V-2.5V/50A Outputs
Input Specifications
Parameter
Input Voltage
Input Current (full load)
V
O
=12V
V
O
=5.0V
V
O
=3.3V
V
O
=2.5V
V
O
=1.8V
V
O
=1.5V
V
O
=1.2V
Input Current (no load)
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
36V
-
-
-
-
-
-
-
-
Typ
48V
-
-
-
-
-
-
-
120mA
10mA
Max
75V
4.5A
4.9A
4.9A
4.1A
3.0A
2.6A
2.1A
180mA
15mA
20mA
8mA
0.1A s
35V
34V
2
Notes
-
-
-
32V
30V
10mA
3mA
0.05A s
34V
32V
2
Tested with simulated source impedance
of 10uH, 5Hz to 20MHz; use a
100uF/100V electrolytic capacitor with
ESR = 1 ohm max. at 200KHz at 25°C.
Output Specifications
Parameter
Output Voltage Set Point
V
O
=12V
V
O
=5.0V
V
O
=3.3V
V
O
=2.5V
V
O
=1.8V
V
O
=1.5V
V
O
=1.2V
Line Regulation
V
O
=12V
V
O
=5.0V
V
O
=3.3V
V
O
=1.2V-2.5V
Load Regulation
V
O
=12V
V
O
=5.0V
V
O
=3.3V
V
O
=2.5V
V
O
=1.8V
V
O
=1.5V
V
O
=1.2V
Regulation Over Temperature (-40°C to +85°C)
V
O
=12V
V
O
=5.0V
V
O
=3.3V
V
O
=2.5V
V
O
=1.8V
V
O
=1.5V
V
O
=1.2V
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Min
11.820V
4.925V
3.250V
2.463V
1.773V
1.477V
1.182V
Typ
12V
5V
3.3V
2.5V
1.8V
1.5V
1.2V
±12mV
±5mV
±3mV
±3mV
±30mV
±10mV
±7mV
±6mV
±5mV
±4mV
±3mV
±60mV
±45mV
±30mV
±25mV
±20mV
±20mV
±15mV
Max
12.180V
5.075V
3.350V
2.538V
1.827V
1.523V
1.218V
±24mV
±10mV
±7mV
±6mV
±60mV
±20mV
±15mV
±13mV
±9mV
±8mV
±6mV
±100mV
±75mV
±50mV
±45mV
±40mV
±35mV
±30mV
Notes
Vin=48V, Io=50% full
load
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. ]
