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參數(shù)資料
| 型號： | GS7660 |
| 廠商： | Vishay Intertechnology,Inc. |
| 英文描述： | Switched-Capacitor Voltage Converter |
| 中文描述： | 開關電容電壓轉換器 |
| 文件頁數(shù)： | 8/9頁 |
| 文件大?。?/td> | 112K |
| 代理商： | GS7660 |
GS7660
Vishay
formerly General Semiconductor
www.vishay.com
8
Document Number 74819
24-May-02
Ultra Precision Voltage Divider
An ultra precision voltage divider is shown below in Fig.12.
To achieve the 0.002% accuracy, the load current has to be
kept below 100nA. However with a slight loss in accuracy,
the load current can be increased.
Battery Splitter
Fig. 13 shows a simple solution to obtain complementary +
and
–
supplies from a single power supply. The output volt-
ages are + and
–
half the supply voltage. Good accuracy
requires low load currents.
A disadvantage is the requirement of a floating input supply,
which in the case of a battery is not an issue.
Fig. 12
–
Ultra Precision Voltage Divider
1
2
3
4
8
7
6
5
8
7
6
5
10
μ
F
C1
C2
10
μ
F
+
+
V
IN
(3.0V to 12V)
GS7660
Required for V
IN
< 3V
I
L
≤
100nA
V
IN
2
±
0.002%
Paralleling For Lower Output Impedance
Fig.14 above shows two GS7660s connected in parallel to
achieve a lower output resistance. If the output resistance
is dominated by 1/ f C1, which is normally the case with the
GS7660, increasing C1 offers a greater advantage than
the paralleling of circuits.
1
2
3
4
8
7
6
5
8
7
6
5
10
μ
F
C1
+
–
+V
B
/2
(3.0V)
GS7660
Required for V
B
< 6V
C2
10
μ
F
+
–
+
–
Output Common
–
V
B
/2
(
–
3.0V)
V
B
(6V)
Fig. 13
–
Battery Splitter
Fig. 14
–
Paralleling for Lower Output Resistance
8
7
6
5
10
μ
F
C1
+
(V
IN
)
1
2
3
4
8
7
6
5
GS7660
1
2
3
4
8
7
6
5
GS7660
1/4 CD4077
C2
20
μ
F+
10
μ
F
C1
+
V
OUT
=
--(V
IN
)
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| GS7660IP | 制造商:VISHAY 制造商全稱:Vishay Siliconix 功能描述:Switched-Capacitor Voltage Converter |
| GS7660IS | 制造商:VISHAY 制造商全稱:Vishay Siliconix 功能描述:Switched-Capacitor Voltage Converter |
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| GS7717T2-R | 制造商:GREEN SOLUTION 功能描述:Cell Balance Controller |
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