Description
The HM3440 is high efficiency, fixed frequency, Buck-Boost DC/DC converter that operates from input voltages above, below or equal to the output voltage.
Features
- Synchronous Rectification: Up to 95% Efficiency Single Inductor Fixed Frequency Operation with Battery Voltages Above, Below or Equal to the
： Output
Quiescent Current 1mA (50uA low power mode: mode pin high) Up to 1A Continuous Output Current 2.7V to 5.5V Input and Output Voltage range Programmable oscillator frequency from
（ ） 350kHz to 1.5MHz
No Schottky Diodes required VOUT.
HM3440 Datasheet
