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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)： | 7/20頁 |
| 文件大?。?/td> | 1272K |
| 代理商： | QW050A1 |
Lucent Technologies Inc.
7
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)
8-2954 (F)
Note: Tested with a 1000 μF aluminum and a 1.0 μF ceramic capaci-
tor across the load.
Figure 9. Typical QW050A1 Transient Response to
Step Increase in Load from 50% to 75% of
I
O
,
max
at Room Temperature and 54 Vdc
Input (Waveform Averaged to Eliminate
Ripple Component.)
8-2955 (F)
Note: Tested with a 220 μF aluminum and a 1.0 μF ceramic capacitor
across the load.
Figure 10. Typical QW075A1 Transient Response to
Step Increase in Load from 50% to 75%
of I
O
,
max
at Room Temperature and
54 Vdc Input (Waveform Averaged to
Eliminate Ripple Component.)
8-3027 (F)
Note: Tested with a 1000 μF aluminum and a 1.0 μF ceramic capaci-
tor across the load.
Figure 11. QW050A1 Typical Start-Up from Remote
On/Off; I
O
= I
O
,
max
8-2956 (F)
Note: Tested with a 1000 μF aluminum and a 1.0 μF ceramic capaci-
tor across the load.
Figure 12. QW075A1 Typical Start-Up from Remote
On/Off; I
O
= I
O
,
max
TIME, t (500
μ
s/div)
O
(
O
(
7.5 A
5.0 A
TIME, t (200
μ
s/div)
O
(
O
(
11.25 A
7.5 A
TIME, t (5 ms/div)
O
O
(
R
V
O
(
TIME, t (2 ms/div)
R
V
O
(
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