SP6831EK/TR Sipex Corporation, SP6831EK/TR Datasheet
SP6831EK/TR
Manufacturer Part Number
SP6831EK/TR
Description
Manufacturer
Sipex Corporation
Datasheet
1.SP6831EKTR.pdf
(16 pages)
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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 A for the SP6830 and 200 A for the SP6831. These devices combine
an ultra-low shutdown current of <1 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.
Rev. 9-22-00
FEATURES
99.9% Voltage Conversion Efficiency
+1.15V to +5.3V Input Voltage Range
Inverts Input Supply Voltage
70 A Supply Current for the SP6830
200 A Supply Current for the SP6831
35kHz Operating Frequency for the
SP6830
120kHz Operating Frequency for the
SP6831
<1 A Shutdown Current
6-pin SOT23-6 Package
Ideal for +3.6V Lithium Ion Battery
Applications
Reverse +3.6V Lithium Ion Battery
Protection
25mA Output Current
19 Output Resistance
Low Power Voltage Inverters With Shutdown
®
V
C1-
SP6830/6831 Low Power Voltage Inverters With Shutdown
V
OUT
IN
1
2
3
SP6830
SP6831
1
APPLICATIONS
Small LCD Negative Bias Voltage
Power Amplifier Negative Bias Voltage
+5V to -5V Voltage Conversion
6
5
4
SHDN
C1+
GND
SP6830/6831
© Copyright 2000 Sipex Corporation
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