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參數(shù)資料
| 型號(hào)： | X9318 |
| 元件分類： | 數(shù)字電位計(jì) |
| 英文描述： | Digitally Controlled Potentiometer (XDCP)(單DCP,抽頭位置掉電自動(dòng)保存,高輸出端電壓,可部分替代X9312W) |
| 中文描述： | 數(shù)控電位器（數(shù)字電位器）（單應(yīng)課稅品許可證，抽頭位置掉電自動(dòng)保存，高輸出端電壓，可部分替代X9312W） |
| 文件頁數(shù)： | 13/22頁 |
| 文件大小： | 269K |
| 代理商： | X9318 |
13 of 22
AN 139
Application Note
www.xicor.com
January, 2001
frequency is XDCP programmable over the range of
101.7 kHz to 122.9kHz. This is a total range of 21.2
kHz. As the Xicor X9315 is a 32 tap device, program-
mable frequency increments are approximately 3% of
the total range or 636 Hz. There is a trade off between
achieving the largest programmable range and the
smallest programming increment. Referring to Figure 7,
R318 (connected to the U303 XDCP wiper) can be
changed to accommodate a different programming
range. Increasing R318 reduces the programming range
and decreasing R318 increases the range. But in all
cases, the minimum adjustment increment is approxi-
mately 3% of the range with a 32 wiper tap device such
as the Xicor X9315. The above comments relative to the
programming of the converter frequency apply also to
programming of the output voltage and overcurrent
protection onset.
Should the power supply designer require smaller
programming increments, Xicor offers other XDCP
products with a greater number of wiper taps.
Figure 10. Performance Data
Parameter
Conditions
Test Data
Load Regulation:
0.5A to 10A (0.5A is minimum load), 120Vac
25mV (
V
OUT
)
2mV (
V
OUT
)
Line Regulation:
100Vac-132Vac, 60Hz, 10A load
Input Power:
10A load, 120Vac, 60Hz input
139W
Efficiency:
10A load, 120Vac, 60Hz input
86%
Output Voltage:
10A load, 120Vac, 60Hz input
11.985Vdc
XDCP Programmable Output
Voltage Range:
11.394Vdc to 12.558Vdc
Converter Frequency:
XDCP Programmable Converter
Frequency Range:
109.6kHz
101.7kHz to 122.9kHz
Onset of Overcurrent Protection:
10.67A
XDCP Programmable Overcurrent
Protection Onset:
Output Ripple & Noise:
8.09A to 13.85A
<100mV P-P
10A load, 120Vac, 60Hz input, 20mHz Bandwidth
120Vac, 60Hz input
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