參數(shù)資料
型號: CAT661ESA-TE13
英文描述: High Frequency 100mA CMOS Charge Pump, Inverter/Doubler
中文描述: 高頻100mA的CMOS電荷泵,逆變器/倍增
文件頁數(shù): 11/16頁
文件大?。?/td> 488K
代理商: CAT661ESA-TE13
CAT661
11
Doc. No. 5003, Rev. J
POSITIVE VOLTAGE DOUBLER
The voltage doubler circuit shown in figure 9 gives VOUT = 2 x VIN for input voltages from 2.5V to 5.5V.
PRECISION VOLTAGE DIVIDER
A precision voltage divider is shown in figure 10. With load currents under 100nA, the voltage at pin 2 will be within
0.002% of V+/2 .
Figure 9: Voltage Doubler
Figure 10: Precision Voltage Divider (Load
100nA)
1
2
3
4
8
7
6
5
CAT661
+
BOOST/FC
CAP+
GND
CAP-
VOUT = 2VIN
+
VIN
2.5V to 5.5V
1N5817*
*SCHOTTKY DIODE IS FOR START-UP ONLY
V+
OSC
LV
OUT
1
2
3
4
8
7
6
5
+
V+
3V to 11V
+
BOOST/FC
CAP+
GND
CAP-
V+
OSC
LV
OUT
CAT661
+ 0.002%
V+
2
IL < 100nA
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