SC8721B converter equivalent, buck-boost converter.
* High Efficiency Buck-Boost Conversion
* Integrated Switches, 10 mΩ for Q1/4, 20 mΩ for Q2/3
* Wide VIN Range: 2.7 V to 22 V, 25V sustainable
* Wide VOUT.
from 2.7V to 22V input range and 0.7V to 22V output range. Through its I2C interface, user can program the output voltag.
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