Description
The LTC®3440 is a high efficiency, fixed frequency, BuckBoost DC/DC converter that operates from input voltages above, below or equal to the output voltage.
Features
- nn Single Inductor nn Fixed Frequency Operation with Battery Voltages
Above, Below or Equal to the Output nn Synchronous Rectification: Up to 96% Efficiency nn 25µA Quiescent Current in Burst Mode® Operation nn Up to 600mA Continuous Output Current nn No Schottky Diodes Required (VOUT < 4.3V) nn VOUT Disconnected from VIN During Shutdown nn 2.5V to 5.5V Input and Output Range nn Programmable Oscillator Frequency
from 300kHz to 2MHz nn Synchronizable Oscillator nn Burst Mode Enable Control nn.
LTC3440_LinearTechnology.pdf
