參數(shù)資料
型號(hào)： 7RQB-T0T12LG
廠商： BEL FUSE INC
元件分類： 電源模塊
英文描述： DC-DC REG PWR SUPPLY MODULE
封裝： ROHS COMPLIANT, QUARTER-BRICK, PACKAGE-8
文件頁數(shù)： 2/6頁
文件大?。?/td> 186K
代理商： 7RQB-T0T12LG
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
12 Vdc /25 A Output
Output Specifications
Parameter
Min
Typ
Max
Notes
Output Voltage Set Point
11.76 V
12 V
12.24 V
Vin=48 V, Io=50%Load.
Line Regulation
-
±12 mV
±24 mV
Load Regulation
-
±30 mV
±60 mV
Regulation Over Temperature
(-40
°C to 85 °C)
-
±60 mV
±100 mV
Output Current
0 A
-
25 A
Current Limit Threshold
28 A
33 A
35 A
Ripple and Noise (rms)
-
40 mV
80 mV
Ripple and Noise (pk-pk)
-
150 mV
200 mV
0 - 20 MHz BW, with 1 uF
ceramic load capacitor and a 10
uF tantalum capacitor at the
output.
Short Circuit Surge Transient
-
TBD
-
Turn on Time
-
100 mS
150 mS
Overshoot at Turn on
-
0%
3%
Output Capacitance
0 uF
-
5600 uF
Transient Response
Overshoot
-
400 mV
-
50% ~ 75% Max
Load
Settling Time
-
300 uS
-
Overshoot
-
400 mV
-
75% ~ 50% Max
Load
Settling Time
VO=12 V
-
300 uS
-
di/dt=0.1A/us, Vin=48Vdc,
Ta=25 °C, with 1 uF
ceramic capacitor and a
10 uF tantalum capacitor
at the output.
Note: All specifications are typical at nominal input, full load at 25 °C unless otherwise stated.
General Specifications
Parameter
Min
Typ
Max
Notes
Efficiency
-
95.5%
-
Vin=48 V, full load.
Switching Frequency
-
250 kHz
-
Isolation Capacitance
-
2200 pF
-
Input to Output Isolation Voltage
-
1500 V
Remote Sense Compensation
-
5%
Output Voltage Trim Range
90%
-
105%
The total voltage increased by trim and
remote sense should not exceed 5%Vo.
Over Voltage Protection
-
14 V
-
Over Temperature Protection
-
125 ℃
-
MTBF
-
TBD
-
Calculated Per Bell Core SR-332
(Vin=48 V, Vo=12 V, Io=20 A, Ta = 25
°C)
Dimensions
Inches (L × W × H)
Millimeters (L × W × H)
2.30 x 1.45 x 0.50
58.42 x 36.83 x 12.70
Weight
-
60 g
-
Note: All specifications are typical at 25 °C unless otherwise stated.
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