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參數(shù)資料
| 型號(hào)： | HUGD-50 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Hold-Up Solution 16-40V & 9-36V DC/DC Converter Compatible Metallic Case |
| 中文描述： | 套牢溶液16 - 40V的 |
| 文件頁數(shù)： | 8/13頁 |
| 文件大小： | 374K |
| 代理商： | HUGD-50 |
For locations, phone, fax, E-Mail see back cover
8
Hi-Rel
Grade
HUGD-50 Series
Gaia Converter FC97-027.01/06 Revision H
4
10- Application Notes (continued)
0
100
200
300
400
500
600
700
800
900
1000
0
5 000
10 000
15 000
20 000
25 000
30 000
Hold-up capacitance (
μ
F)
H
50W
40W
30W
20W
The external capacitor supplies the energy for the DC/DC converters operation during failure.
The capacitance should not exceed 30.000μF, and should be higher than 470μF.
The amount of capacitance for a given hold up time is given by the formula :
2 x P (Dt + 0.01 )
38
2
-V
L
2
C =
where
C
P
Dt
V
L
: is the required capacitance (in Farads)
: is the power consumed by the DC/DC converters (in Watts)
: is the required hold-up time (in seconds)
: is the lower admissible voltage of DC/DC converters (in volts)
The following curve gives the capacitor value as a function of the required hold up time. Gaia Converter recommends a high
CV low ESR and extended temperature capacitor.
10-2 Hold-up Capacitor Selection with HUGD-50 Solution
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