XA2317
Synchronous Boost DC/DC Regulator
Features
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 resistance RDS(ON), Internal
switch: 0.35 1.4MHz fixed frequency switching Automatic PWM/PFM mode switching High switch on current: 0.9A Low ...
