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參數資料
| 型號： | QME48T40050-PGBLG |
| 廠商： | POWER-ONE INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT, QUARTER BRICK PACKAGE-8 |
| 文件頁數： | 4/13頁 |
| 文件大?。?/td> | 247K |
| 代理商： | QME48T40050-PGBLG |
ZD-00371 Rev 2, 22-May-09
Page 12 of 13
www.power-one.com
QME48T40050 DC-DC Converter Data Sheet
36-75 VDC Input; 5.0 VDC @ 40 A Output
Fig.
13:
Input
reflected
ripple
current,
ic
(500 mA/div.), measured at input terminals at full rated load
current and Vin = 48 V. Refer to Fig. 12 for test setup. Time
scale: 1 s/div.
10
30
40
60
Iout [Adc]
Vo
ut
[Vdc]
0
20
50
6.0
4.5
3.0
1.5
Fig. 15: Output voltage vs. load current showing current
limit point and converter shutdown point. Input voltage has
almost no effect on current limit characteristic.
Fig.
14:
Input
reflected
ripple
current,
is
(10 mA/div.), measured through 10 H at the source at full
rated load current and Vin = 48 V. Refer to Fig. 12 for test
setup. Time scale: 1 s/div.
Fig.
16:
Load
current
(top
trace,
20
A/div.,
50 ms/div.) into a 10 m short circuit during restart, at
Vin = 48 V. Bottom trace (20 A/div., 2 ms/div.) is an
expansion of the on-time portion of the top trace.
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