CAT661(2007) Просмотр технического описания (PDF) - Catalyst Semiconductor => Onsemi
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Компоненты Описание
производитель
CAT661
(Rev.:2007)
(Rev.:2007)
Catalyst Semiconductor => Onsemi
CAT661 Datasheet PDF : 17 Pages
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CAT661
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.
1N5817*
VIN
2.5V to 5.5V
1
8
BOOST/FC
V+
2
7
+
+
CAP+
OSC
3
CAT661 6
GND
LV
4
CAP-
5
OUT
*SCHOTTKY DIODE IS FOR START-UP ONLY
Figure 9: Voltage Doubler
VOUT = 2VIN
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 .
+
V+
2
+
0.002%
+
IL < 100nA
1 BOOST/FC
V+ 8
2 CAP+
OSC 7
3
CAT661
GND
LV 6
4 CAP-
OUT 5
V+
3V to 11V
Figure 10: Precision Voltage Divider (Load ≤ 100nA)
11
Doc. No. MD-5003, Rev. K
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