TPS62352

QFN-10 CSP-12 TPS62350, TPS62351 TPS62352, TPS62353 TPS62354, TPS62355, TPS62356 www.ti.com .............................................................................................................................................................. SLVS540E – MAY 2006 – REVISED APRIL 2008 800-mA / 1000-mA, 3-MHz SYNCHRONOUS STEP-DOWN CONVERTER WITH I2C™ COMPATIBLE INTERFACE IN CHIP SCALE PACKAGING FEATURES 1 234 88% Efficiency at 3-MHz Operation 800-mA Output Current at VI = 2.7 V 3-MHz Fixed Frequency Operation Best in Class Load and Line Transient Complete 1-mm Component Profile Solution ±2% PWM DC Voltage Accuracy 35-ns Minimum On-Time Efficiency Optimized Power-Save Mode (Light PFM) Transient Optimized Power-Save Mode (Fast PFM) 28-µA Typical Quiescent Current I2C Compatible Interface up to 3.4 Mbps Pin-Selectable Output Voltage Synchronizable On the Fly to External Clock Signal Available in a 10-Pin QFN (3 x 3 mm) and 12-Pin NanoFree™ (CSP) Packaging APPLICATIONS SmartReflex™ Compliant Power Supply Split Supply DSPs and µP Solutions OMAP™, XSCALE™ Cell Phones, Smart-Phones PDAs, Pocket PCs Digital Cameras Micro DC-DC Converter Modules TYPICAL APPLICATION TPS62350YZG VI 2.7 V .. 5.5 V C1 A PVIN AVIN PGND PGND FB SW AGND VO = Roof VO = Floor I2C Bus up to 3.4 Mbips EN VSEL SDA SCL SYNC L1 1 mH A DESCRIPTION The TPS6235x device is a high-frequency synchronous step-down dc-dc converter optimized for battery-powered port...