TPS63001

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS63000, TPS63001, TPS63002 SLVS520C – MARCH 2006 – REVISED OCTOBER 2015 TPS6300x High-Efficient Single Inductor Buck-Boost Converter With 1.8-A Switches 1 Features 1 Input Voltage Range: 1.8 V to 5.5 V Fixed and Adjustable Output Voltage Options from 1.2 V to 5.5 V Up to 96% Efficiency 1200-mA Output Current at 3.3 V in Step-Down Mode (VIN = 3.6 V to 5.5 V) Up to 800-mA Output Current at 3.3 V in Boost Mode (VIN > 2.4 V) Automatic Transition Between Step-Down and Boost Mode Device Quiescent Current less than 50 μA Power-Save Mode for Improved Efficiency at Low Output Power Forced Fixed Frequency Operation and Synchronization Possible Load Disconnect During Shutdown Overtemperature Protection Available in a Small 3-mm × 3-mm 10-Pin VSON Package (QFN) 2 Applications All Two-Cell and Three-Cell Alkaline, NiCd or NiMH or Single-Cell Li Battery Powered Products Portable Audio Players Smart Phones Personal Medical Products White LEDs 3 Description The TPS6300x devices provide a power supply solution for products powered by either a two-cell or three-cell alkaline, NiCd or NiMH battery, or a onecell Li-ion or Li-polymer battery. Output currents can go as high as 1200 mA while using a single-cell Li-ion or Li-polymer battery, and discharge it down to 2.5 V or lower. The buck-boost converter is based on a fixed frequency, pulse width modulation (PWM) controlle...