ISOLATED DC/DC CONVERTERS
48V Input 12V/12A, 3.3V/45A, 5V/30A, 1.2V-2.5V/50A Outputs
General Specifications
Parameter
Min
Typ
Max
Notes
Efficiency
VO=12V
VO=5.0V
VO=3.3V
VO=2.5V
VO=1.8V
VO=1.5V
VO=1.2V
90%
88%
88%
86%
84%
82%
80%
93%
91%
91%
89%
87%
85%
83%
-
-
-
-
-
-
-
Vin=48V, full load , Ta=25°C
Switching Frequency
Isolation capacitance
280KHz
330KHz
1500pF
-
380KHz
-
-
Output Voltage Trim Range
Over Temperature Protection
Over Voltage Protection
80%Vo
-
110%Vo
-
125°C
122%Vo
TBD
115%Vo
127%Vo
Calculated Per Bell Core TR-332 (IO =
MTBF
Nominal; Ta = 25°C)
Dimensions
Inches
millimeters
2.30 x 1.45 x 0.395
58.42 x 36.83 x 10.03
41g
Weight
-
-
Control Specifications
Parameter
Min
Typ
Max
Notes
Remote On/Off
Signal Low (Unit On)
-0.3V
2.4V
-0.3V
2.4V
0mA
-
-
-
-
-
0.8V
18V
07QB-C5TxxL. The remote
on/off pin open, Unit off.
Active Low
Signal High (Unit Off)
Signal Low (Unit Off)
Signal High (Unit On)
Current Sink
0.8V
07QB-C5Txx0. The remote
on/off pin open, Unit on.
Active High
18V
0.75mA
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. ]
