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XRSB-40U_SERIES Datasheet, PDF (2/15 Pages) Bel Fuse Inc. – ISOLATED DC/DC CONVERTERS
ISOLATED DC/DC CONVERTERS
24 Vdc/48 Vdc Input 1.2 Vdc - 12 Vdc / 18 A - 3.5 A Outputs, 1/16 Brick
Absolute Maximum Ratings
Parameter
Min
Typ
Max
Input Voltage (continuous)
-0.3 V
-
80 V
Remote On/Off
-0.3 V
-
18 V
I/O Isolation Voltage
-
-
1500 V
Ambient Temperature
-40 °C
-
85 °C
Storage Temperature
-55 °C
-
125 °C
Notes
Input Specifications
Parameter
Min
Input Voltage
18 V
Input Current (full load)
Vo=1.2 V - 1.8 V
-
Vo=2.5 V - 3.3 V
-
Vo=5.0 V - 12 V
-
Input Current (no load)
-
Remote Off Input Current
-
Typ
48 V
-
-
-
60 mA
1 mA
Max
75 V
2.5 A
3.0 A
3.5 A
120 mA
3 mA
Notes
Input Reflected Ripple Current (pk-pk)
-
Input Reflected Ripple Current (rms)
-
I2t Inrush Current Transient
-
20 mA
3 mA
0.01 A2s
50 mA
7 mA
0.02 A2s
Tested with simulated source
impedance of 15 uH, 5 Hz to 20
MHz; use a 100 uF/100 V
electrolytic capacitor with ESR=1
ohm max at 200 kHz at the input.
Turn On Voltage Threshold
16.6 V
17.2 V
17.8 V
Turn Off Voltage Threshold
16.2 V
16.8 V
17.4 V
Note: All specifications are typical at nominal input, full load at 25 °C unless otherwise stated.
Output Specifications
Parameter
Output Voltage Set Point
Line Regulation
Load Regulation
Min
Vo=1.2 V
Vo=1.5 V
Vo=1.8 V
Vo=2.5 V
Vo=3.3 V
Vo=5.0 V
Vo=12 V
1.182 V
1.478 V
1.773 V
2.463 V
3.250 V
4.925 V
11.750 V
Vo=1.2 V - 1.8 V
-
Vo=2.5 V
-
Vo=3.3 V
-
Vo=5.0 V
-
Vo=12 V
-
Vo=1.2 - 2.5 V
-
Vo=3.3 - 5.0 V
-
Vo=12 V
-
Typ
1.2 V
1.5 V
1.8 V
2.5 V
3.3 V
5.0 V
12 V
±0.5 mV
±1.0 mV
±3.0 mV
±4.0 mV
±6.0 mV
±3 mV
±4 mV
±9 mV
Max
1.218 V
1.523 V
1.827 V
2.538 V
3.350 V
5.075 V
12.250 V
±3 mV
±4 mV
±8 mV
±9 mV
±15 mV
±5 mV
±9 mV
±18 mV
Notes
Test conditions:
Vin=48 V; Io=50%
load
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com