TPS62260-Q1

www.ti.com TPS62260-Q1, TPS62261-Q1 TPS62262-Q1, TPS62263-Q1 SLVSA16C – AUGUST 2009 – REVISED JULY 2012 2.25-MHz 600-mA STEP-DOWN CONVERTERS Check for Samples: TPS62260-Q1, TPS62261-Q1, TPS62262-Q1, TPS62263-Q1 FEATURES 1 2 Qualified for Automotive Applications High-Efficiency Step-Down Converter Output Current up to 600 mA Wide VIN Range from 2-V to 6-V for Li-Ion Batteries with Extended Voltage Range 2.25-MHz Fixed Frequency Operation Power Save Mode at Light Load Currents Output Voltage Accuracy in PWM Mode ±1.5% 15-μA (Typ) Quiescent Current 100% Duty Cycle for Lowest Dropout Soft Start Voltage Positioning at Light Loads Available in a Small 2×2×0,8-mm SON Package Allows <1-mm Solution Height APPLICATIONS PDAs, Pocket PCs Low Power DSP Supply Portable Media Players POL applications DESCRIPTION The TPS6226x devices are high-efficiency synchronous step-down dc-dc converters optimized for battery powered applications. It provides up to 600-mA output current from a single Li-Ion cell and is ideal to power mobile phones and other portable applications. With an wide input voltage range of 2 V to 6 V, the device supports applications powered by Li-Ion batteries with extended voltage range, two and three cell alkaline batteries, 3.3-V and 5-V input voltage rails. The TPS6226x operates at 2.25-MHz fixed switching frequency and enters Power Save Mode operation at light load currents to maintain high efficiency over the entire load current ran...