TPS630251

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS630250 TPS630251, TPS630252 SLVSBJ9B – MAY 2014 – REVISED MARCH 2015 TPS63025x High Current, High Efficiency Single Inductor Buck-Boost Converter 1 Features 1 Real Buck or Boost Operation with Automatic and Seamless Transition Between Buck and Boost Operation 2.3 V to 5.5 V input voltage range 2 A Continuous Output Current : VIN≥ 2.5 V, VOUT= 3.3 V Adjustable and Fixed Output Voltage Efficiency up to 95% in Buck or Boost Mode and up to 97% when VIN=VOUT 2.5MHz Typical Switching Frequency 35-μA Operating Quiescent Current Integrated Soft Start Power Save Mode True Shutdown Function Output Capacitor Discharge Function Over-Temperature Protection and Over-Current Protection Wide Capacitance Selection Small 1.766 mm x 2.086 mm, 20-pin WCSP and 2.5 mm x 3 mm, 14-pin Hot Rod 2 Applications Cellular Phones, Smart Phones Tablets PC PC and Smart Phone accessories Point of load regulation Battery Powered Applications 3 Description The TPS63025x are 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 A. The TPS63025x regulates the output voltage over the complete input voltage range by automatically swit...