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參數(shù)資料
| 型號： | QW050A1 |
| 英文描述： | Analog IC |
| 中文描述： | 模擬IC |
| 文件頁數(shù)： | 6/20頁 |
| 文件大?。?/td> | 1272K |
| 代理商： | QW050A1 |
6
Lucent Technologies Inc.
Data Sheet
May 2000
dc-dc Converters; 36 to 75 Vdc Input, 5 Vdc Output; 50 W and 75 W
QW050A1 and QW075A1 Power Modules:
Characteristic Curves
(continued)
8-2062 (C)
Figure 5. Typical QW050A1 Output Ripple Voltage
at Room Temperature and I
O
= I
O, max
8-2298 (C)
Note: See Figure 14 for test conditions.
Figure 6. Typical QW075A1 Output Ripple Voltage
at Room Temperature and I
O
= I
O, max
8-2952 (F)
Note: Tested with a 1000 μF aluminum and a 1.0 μF ceramic capaci-
tor across the load.
Figure 7. Typical QW050A1 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.)
8-2953 (F)
Note: Tested with a 1000 μF aluminum and a 1.0 μF ceramic capaci-
tor across the load.
Figure 8. Typical QW075A1 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 μs/div)
O
O
(
V
I
= 36 V
V
I
= 54 V
V
I
= 75 V
TIME, t (500
μ
s/div)
O
(
O
(
5 A
2.5 A
TIME, t (200 ns/div)
O
(
O
(
7.5 A
3.75 A
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