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| 型號： | 07QB-T0T12LG |
| 廠商： | BEL FUSE INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 300 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT, PACKAGE, 8 PIN |
| 文件頁數(shù)： | 11/18頁 |
| 文件大小： | 494K |
| 代理商： | 07QB-T0T12LG |
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302
Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com
2
ISOLATED DC/DC CONVERTERS
36 Vdc - 75 Vdc Input 12 Vdc /25 A Output, 1/4 Brick
March 27, 2009
Bel Power, Inc. , a subsidiary of Bel Fuse, Inc.
Absolute Maximum Ratings
Parameter
Min
Typ
Max
Unit
Notes
Continuous Input Voltage
-0.3
-
80
V
Input Transient Voltage
-
100
V
100 mS maximum
Remote On/Off
-0.3
-
18
V
I/O Isolation Voltage
-
1500
V
Ambient Temperature
-40
-
85
C
Storage Temperature
-55
-
125
C
Note: Ratings used beyond the maximum ratings may cause a reliability degradation of the converter or may
permanently damage the device.
Input Specifications
Parameter
Min
Typ
Max
Unit
Notes
Operating Input Voltage
36
48
75
V
Input Current (full load)
-
10
A
Input Current (no load)
-
100
-
mA
Remote Off Input Current
-
10
-
mA
Input Reflected Ripple Current
(rms)
-
15
-
mA
Input Reflected Ripple Current
(pk-pk)
-
50
-
mA
Tested with simulated source
impedance of 10 uH, 5 Hz to 20 MHz;
use a 100 uF/100 V electrolytic
capacitor with ESR = 1 ohm max. at
200 kHz at 25
C.
I
2t Inrush Current Transient
-
TBD
-
A
2s
Turn-on Voltage Threshold
-
34.5
35.5
V
Turn-off Voltage Threshold
32.5
33.5
-
V
CAUTION: This converter is not internally fused. An input line fuse must be used in application.
Recommend a fast-acting fuse with maximum rating of 13A on system board. Refer to the fuse
manufacture’s datasheet for further information.
Notes: 1. This converter has internal C-L-C (1uF-1.0uH-15.4uF) filter.
2. For recommended external input filter, please refer to Safety section (page 14).
3. All specifications are typical at 25
C unless otherwise stated.
Output Specifications
Parameter
Min
Typ
Max
Unit
Notes
Output Voltage Set Point
11.760
12.004
12.240
V
Vin=48V, Io=50% load
Load Regulation
-
±30
±60
mV
Line Regulation
-
±12
±24
mV
Regulation Over Temperature
(-40deg.C-85deg.C)
-
±60
±100
mV
Ripple and Noise (pk-pk)
-
150
200
mV
Ripple and Noise (rms)
-
40
80
mV
0-20 MHz BW, with a 1F ceramic
capacitor and a 10uF Tantalum cap at
output.
Ripple and Noise (pk-pk)
under worst case
-
TBD
mV
over all operating input voltage, load
and temperature conditions.
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