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參數資料
| 型號： | SP682 |
| 英文描述： | Ultra-Low Power Inverting Voltage Doubler(極低功耗，反相電壓倍增器) |
| 中文描述： | 超低功耗反相電壓倍增（極低功耗，反相電壓倍增器） |
| 文件頁數： | 1/9頁 |
| 文件大小： | 92K |
| 代理商： | SP682 |
1
SP682DS/07
SP682 Inverting Voltage Doubler
Copyright 2000 Sipex Corporation
The
SP682
is a monolithic charge pump voltage converter that produces a doubled, negative
voltage from a single positive supply. The
SP682
charge pump outputs a –10V voltage from
a +5V input. Three external charge pump capacitors are required to support the voltage
conversion and voltage doubling process. An internal oscillator generates a 12kHz clock
which cycles the internal switching that charges the storage and transfer capacitors. The
charge pump architecture is fabricated using a low power BiCMOS process technology.
The
SP682
charge pump is ideal for low power applications requiring a typical +3V battery
source such as a lithium cell. Typical applications are handheld instruments, notebook and
laptop computers, cellular phones, and data acquisition or GP systems. The
SP682
is
packaged in either a 8-pin DIP, 8-pin SOIC or 8-pin
μ
SOIC for surface mount applications.
DESCRIPTION...
I
Low Power Voltage Conversion
I
+2.4V to +5.5V Input Range
I
99% Voltage Conversion Efficiency
I
Typical 60
μ
A Supply Current
I
Requires Only Three External Capacitors
I
Includes Low Power Shutdown Option
I
Ideal in Portable Applications Such As
Handheld Instruments
Cellular Phones
Personal Digital Assistants
Laptops and Notebooks
I
Pin Compatible Upgrade to the TC682
SP682
Ultra-Low Power Inverting Voltage Doubler
+2.4V to +5V
1
μ
F
+
GND
5
V
OUT
6
V
CC
4
SP682
C1+
C1–
C2+
C2–
C1
C2
7
1
3
2
C
OUT
SD
8
TYPICAL OPERATING CIRCUIT...
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相關代理商/技術參數 |
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| SP6828 | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:+3V Low Power Voltage Inverters |
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| SP6828EK | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:+3V Low Power Voltage Inverters |
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