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SLVSDK8 – DECEMBER 2016 TPS63027 High Current, High Efficiency Single Inductor Buck-Boost Converter
1 Features 3 Description The TPS63027 is a high efficiency, low quiescent
current buck-boost converters suitable for application
where the input voltage is higher or lower than the
output. Output currents can go as high as 2 A in
boost mode and as high as 4 A in buck mode. The
maximum average current in the switches is limited to
a typical value of 4.5 A. The TPS63027 regulates the
output voltage over the complete input voltage range
by automatically switching between buck or boost
mode depending on the input voltage ensuring a
seamless transition between modes. The buck-boost
converter is based on a fixed frequency, pulse-widthmodulation (PWM) controller using synchronous
rectification to obtain highest efficiency. At low load
currents, the converter enters Power Save Mode to
maintain high efficiency over the complete load
current range. There is a PFM/PWM pin that allows …
