DESCRIPTION

The SP4446 is a micro power Boost Regualtor in a 5-lead SOT-23 package. It is a current limited, fixed off-time regulator configured for use in boost mode applications. The operating voltage can be less than 3V and is capable of generating voltages as high as 30 Volts.

The SP4446 is to be supplied in a SOT-23-5 and permits the construction of complete regulators that occupy

FEATURES

■ High Output Voltage: Up to 30V

■ High Efficiency

■ Low Quiescent Current: ~20uA

■ Miniature Package: (5-lead SOT-23)

■ Single Battery Cell Operation

■ Programmable Output Voltage

■ 1Ω Switch (150mV at 150mA)

APPLICATIONS

■ LCD Bias

■ Tuner Pin Voltage

■ White LED Driver

■ High Voltage Bias

■ Digital Cameras

■ Cell Phone

■ Battery Backup

■ Handheld Computers