参数资料
型号: CAT660EVA-GT3
厂商: ON Semiconductor
文件页数: 11/13页
文件大小: 0K
描述: IC REG SWITCHED CAP DBL INV 8SOI
标准包装: 3,000
类型: 切换式电容器(充电泵),倍增器,反相
输出类型: 可调式
输出数: 1
输入电压: 1.5 V ~ 5.5 V
频率 - 开关: 10kHz,80kHz
电流 - 输出: 100mA
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: *
封装/外壳: *
包装: *
供应商设备封装: *
CAT660
Precision Voltage Divider
A precision voltage divider is shown in Figure 20. With very light load currents under 100 nA, the voltage at pin 2 will be
within 0.002% of V+/2. Output voltage accuracy decreases with increasing load.
CAT660
1
2
BOOST/FC
CAP+
V+
OSC
8
7
V +
3 V to 11 V
+
C1
150 m F
3
4
GND
CAP ?
LV
OUT
6
5
V ) ± 0.002%
2
I L ≤ 100 nA
+
C2
150 m F
Figure 20. Precision Voltage Divider (Load 3 100 nA)
Battery Voltage Splitter
Positive and negative voltages that track each other can be obtained from a battery. Figure 21 shows how a 9 V battery can
provide symmetrical positive and negative voltages equal to one ? half the battery voltage.
CAT660
) BAT (4.5 V)
* BAT ( ? 4.5 V)
BATTERY
9V
3 V ≤ V BAT ≤ 11 V
V BAT
C1
150 m F
+
1
2
3
4
BOOST/FC
CAP+
GND
CAP ?
V+
OSC
LV
OUT
8
7
6
5
V
2
V
2
C2
Figure 21. Battery Splitter
http://onsemi.com
11
+
150 m F
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