DESCRIPTION

The SP6830/6831 devices are CMOS Charge Pump Voltage Inverters that can be implemented 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 70µA for the SP6830 and 200µA for the SP6831. These devices combine an ultra-low shutdown current of <1µA 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.

FEATURES

■ 99.9% Voltage Conversion Efficiency

■ +1.15V to +5.3V Input Voltage Range

■ Inverts Input Supply Voltage

■ 70µA Supply Current for the SP6830

■ 200µA Supply Current for the SP6831

■ 35kHz Operating Frequency for the SP6830

■ 120kHz Operating Frequency for the SP6831

■ <1µA 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

■ 19Ω Output Resistance