XA2317 regulator equivalent, synchronous boost dc/dc regulator.
Up to 94% Efficiency
：Low voltage start-up 0.9V
Shut-down current: < 1µA
： ～Input voltage 0.9V 4.4V ： ～Output voltage 2.5V 4.3V (Up to 5V with
Schottky)
ΩLow switch on re.
Digital cameras and MP3 Palmtop computers / PDAs Cellular phones Wireless handsets and DSL modems PC cards Portable medi.
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