ISOLATED DC/DC CONVERTERS
48V Input 12V/12A, 3.3V/45A, 5V/30A, 1.2V-2.5V/50A Outputs
Input Specifications
Parameter
Min
Typ
Max
Notes
Input Voltage
36V
48V
75V
Input Current (full load)
VO=12V
VO=5.0V
VO=3.3V
VO=2.5V
VO=1.8V
VO=1.5V
VO=1.2V
-
-
-
-
-
-
-
-
-
-
-
-
-
-
4.5A
4.9A
4.9A
4.1A
3.0A
2.6A
2.1A
Input Current (no load)
-
120mA
180mA
Remote Off Input Current
10mA
15mA
Tested with simulated source impedance
of 10uH, 5Hz to 20MHz; use a
Input Reflected Ripple Current (pk-pk)
-
-
10mA
3mA
0.05A2s
20mA
8mA
0.1A2s
100uF/100V electrolytic capacitor with
ESR = 1 ohm max. at 200KHz at 25°C.
Input Reflected Ripple Current (RMS)
I2t Inrush Current Transient
Turn-on Voltage Threshold
Turn-off Voltage Threshold
-
32V
30V
34V
35V
32V
34V
Output Specifications
Parameter
Min
Typ
Max
Notes
Output Voltage Set Point
VO=12V
VO=5.0V
VO=3.3V
VO=2.5V
VO=1.8V
VO=1.5V
VO=1.2V
11.820V
4.925V
3.250V
2.463V
1.773V
1.477V
1.182V
12V
5V
12.180V
5.075V
3.350V
2.538V
1.827V
1.523V
1.218V
3.3V
2.5V
1.8V
1.5V
1.2V
Vin=48V, Io=50% full
load
Line Regulation
±12mV
±5mV
±3mV
±3mV
±24mV
±10mV
±7mV
VO=12V
VO=5.0V
VO=3.3V
-
-
-
-
VO=1.2V-2.5V
±6mV
Load Regulation
±30mV
±10mV
±7mV
±6mV
±5mV
±4mV
±3mV
±60mV
±20mV
±15mV
±13mV
±9mV
VO=12V
VO=5.0V
VO=3.3V
VO=2.5V
VO=1.8V
VO=1.5V
VO=1.2V
-
-
-
-
-
-
-
±8mV
±6mV
Regulation Over Temperature (-40°C to +85°C)
±60mV
±45mV
±30mV
±25mV
±20mV
±20mV
±15mV
±100mV
±75mV
±50mV
±45mV
±40mV
±35mV
±30mV
-
-
-
-
-
-
-
VO=12V
VO=5.0V
VO=3.3V
VO=2.5V
VO=1.8V
VO=1.5V
VO=1.2V
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. ]
