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參數(shù)資料
| 型號： | QW050F1 |
| 英文描述： | Analog IC |
| 中文描述： | 模擬IC |
| 文件頁數(shù)： | 6/20頁 |
| 文件大小： | 1008K |
| 代理商： | QW050F1 |
6
Lucent Technologies Inc.
Data Sheet
May 2000
dc-dc Converters; 36 to 75 Vdc Input, 3.3 Vdc Output; 33 W to 50 W
QW050F1 and QW075F1 Power Modules:
Characteristic Curves
(continued)
8-2070 (C)
Note: See Figure 14 for test conditions.
Figure 5. Typical QW050F1 Output Ripple Voltage
at Room Temperature and 10 A Output
8-3033 (F)
Note: See Figure 14 for test conditions.
Figure 6. Typical QW075F1 Output Ripple Voltage
at Room Temperature and 10 A Output
8-2962 (F)
Note: Tested with a 1000 μF aluminum and a 1.0 μF ceramic capaci-
tor across the load.
Figure 7. Typical QW050F1 Transient Response to
Step Decrease in Load from 50% to 25%
of I
O, max
at Room Temperature and
54 Vdc Input (Waveform Averaged to
Eliminate Ripple Component.)
8-2963 (F)
Note: Tested with a 1000 μF aluminum and a 1.0 μF ceramic capaci-
tor across the load.
Figure 8. Typical QW075F1 Transient Response to
Step Decrease in Load from 50% to 25%
of I
O, max
at Room Temperature and
54 Vdc Input (Waveform Averaged to
Eliminate Ripple Component.)
TIME, t (1 μs/div)
O
O
(
V
I
= 75 V
V
I
= 54 V
V
I
= 36 V
TIME, t (1
μ
s/div)
O
O
(
V
I
= 75 V
V
I
= 54 V
V
I
= 36 V
TIME, t (200
μ
s/div)
O
O
(
O
O
(
5 A
2.5 A
TIME, t (200
μ
s/div)
O
O
(
O
O
(
7.5 A
3.75 A
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