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參數資料
| 型號： | 0RFB-S0T280 |
| 廠商： | BEL FUSE INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 700 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT, FULL BRICK PACKAGE-16 |
| 文件頁數： | 2/9頁 |
| 文件大?。?/td> | 229K |
| 代理商： | 0RFB-S0T280 |
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302
Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com
ISOLATED DC/DC CONVERTERS
48 Vdc Input
28 Vdc /25 A Output
Input Specifications
Parameter
Min
Typ
Max
Notes
Input Voltage
36 V
48 V
76 V
Input Current (no load)
-
100 mA
150 mA
Input Current (full load)
-
23 A
Remote Off Input Current
-
40 mA
60 mA
Input Reflected Ripple Current
(pk-pk)
-
30 mA
-
Input Reflected Ripple Current
(rms)
-
10 mA
-
With simulated source impedance of
15 uH, 5 Hz to 20 MHz; use 2* 220
uF/100 V electrolytic capacitor with
ESR = 1 ohm max at 200 kHz
I
2t Inrush Current Transient
-
1 A
2s
Turn-on Voltage Threshold
33 V
34.5 V
35.5 V
Turn-off Voltage Threshold
31 V
33 V
34 V
Input Over Voltage Lockout
76 V
78 V
80 V
Note: All specifications are typical at nominal input, full load at 25 °C unless otherwise stated
Output Specifications
Parameter
Min
Typ
Max
Notes
Output Voltage Set Point
27.72 V
28.00 V
28.28 V
Vin=48 V, full load
Load Regulation
-
56 mV
Line Regulation
-
56 mV
Regulation Over Temperature
(-40deg.C-85deg.C)
-
300 mV
Output Current Range
0 A
-
25 A
Output Voltage Trim Range
16.8 V
-
32.2 V
Output DC Current Limit
26.25 A
30 A
35 A
Ripple and Noise (rms)
-
80 mV
Ripple and Noise (pk-pk)
-
280 mV
Over all load, line and temperature
conditions.
Turn on Time
20 mS
40 mS
80 mS
Overshoot at Turn on
-
0%
2%
Output Capacitance
0 uF
-
5000 uF
Transient Response
Overshoot
-
800 mV
1200 mV
50% ~ 75%
Max Load
Settling Time
-
500 uS
800 uS
Overshoot
-
800 mV
1200 mV
75% ~ 50%
Max Load
Settling Time
VO=28 V
-
500 uS
800 uS
di/dt=0.1A/us, Vin=48 Vdc,
with a 1 F ceramic
capacitor and a 470 uF low
ESR aluminum load
capacitor at output, Ta=25
°C.
Note: All specifications are typical at nominal input, full load at 25 °C unless otherwise stated.
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