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參數(shù)資料
| 型號(hào)： | 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(yè)數(shù)： | 3/13頁(yè) |
| 文件大?。?/td> | 247K |
| 代理商： | QME48T40050-PGBLG |
第1頁(yè)第2頁(yè)當(dāng)前第3頁(yè)第4頁(yè)第5頁(yè)第6頁(yè)第7頁(yè)第8頁(yè)第9頁(yè)第10頁(yè)第11頁(yè)第12頁(yè)第13頁(yè)
ZD-00371 Rev 2, 22-May-09
Page 11 of 13
www.power-one.com
QME48T40050 DC-DC Converter Data Sheet
36-75 VDC Input; 5.0 VDC @ 40 A Output
Fig. 9:
Output
voltage response
to load current
step-change (20 A – 30 A – 20 A) at Vin = 48 V. Top trace:
output voltage (100 mV/div.). Bottom trace: load current
(10 A/div.). Current slew rate: 0.1 A/s. Co = 1 F ceramic.
Time scale: 0.2 ms/div.
Fig. 11: Output voltage ripple (20 mV/div.) at full rated load
current into a resistive load with Co = 10 F tantalum + 1
F
ceramic
and
Vin
=
48
V.
Time
scale:
1 s/div.
Fig. 10: Output voltage response to load current
step-change (20 A – 30 A – 20 A) at Vin = 48 V. Top trace:
output voltage (100 mV/div.). Bottom trace: load current (10
A/div.). Current slew rate: 5 A/s. Co = 470 F POS + 1 F
ceramic. Time scale: 0.2 ms/div.
Vout
Vsource
iS
iC
1
F
ceramic
capacitor
10
H
source
inductance
DC/DC
Converter
33
F
ESR <1
electrolytic
capacitor
QME Series
Fig. 12: Test setup for measuring input reflected ripple
currents,
ic and is.
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