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SP6830EK/TR Datasheet

  • SP6830EK/TR

  • Low Power Voltage Inverters With Shutdown

  • 16頁

  • SIPEX

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廬
SP6830/6831
Low Power Voltage Inverters With Shutdown
FEATURES
s
99.9% Voltage Conversion Efficiency
s
+1.15V to +5.3V Input Voltage Range
s
Inverts Input Supply Voltage
s
70碌A(chǔ) Supply Current for the SP6830
s
200碌A(chǔ) Supply Current for the SP6831
s
35kHz Operating Frequency for the
SP6830
s
120kHz Operating Frequency for the
SP6831
s
<1
碌
A Shutdown Current
s
6-pin SOT23-6 Package
s
Ideal for +3.6V Lithium Ion Battery
Applications
s
Reverse +3.6V Lithium Ion Battery
Protection
s
25mA Output Current
s
19鈩?Output Resistance
APPLICATIONS
s
Small LCD Negative Bias Voltage
s
Power Amplifier Negative Bias Voltage
s
+5V to -5V Voltage Conversion
DESCRIPTION
The SP6830/6831 devices are CMOS Charge Pump Voltage Inverters that can be imple-
mented into designs which require a negative voltage from a battery voltage source as low as
+1.15V or a power supply rail voltage as high as +5.3V. The SP6830/6831 devices are ideal
for both battery-powered and board level voltage conversion applications with a typical
operating current of 70碌A(chǔ) for the SP6830 and 200碌A(chǔ) for the SP6831. These devices combine
an ultra-low shutdown current of <1
碌
A with high efficiency (>95% over most of its load-current
range) which are ideal for designs using batteries such as cell phones, PDAs, medical
instruments, and other portable equipment. The SP6830/6831 devices are available in a
space-saving 6-pin SOT23-6 Package.
V
OUT
1
V
IN
2
C1-
3
SP6830
SP6831
6 C1+
5 SHDN
4 GND
Rev. 9-22-00
SP6830/6831 Low Power Voltage Inverters With Shutdown
漏 Copyright 2000 Sipex Corporation
1

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