TPS62300

www.ti.com TPS62300, TPS62301, TPS62302 QFN-10 CSP-8 TPS62303, TPS62304, TPS62305, TPS62311, TPS62313, TPS62315, TPS62320, TPS62321 SLVS528E – JULY 2004 – REVISED NOVEMBER 2007 500-mA, 3-MHz SYNCHRONOUS STEP-DOWN CONVERTER IN CHIP SCALE PACKAGING FEATURES 1 234 Up to 93% Efficiency at 3-MHz Operation Up to 500-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 -0.5% / +1.3% PWM DC Voltage Accuracy Over Temperature 35-ns Minimum On-Time Power-Save Mode Operation at Light Load Currents Fixed and Adjustable Output Voltage Only 86-µA Quiescent Current 100% Duty Cycle for Lowest Dropout Synchronizable On the Fly to External Clock Signal Integrated Active Power-Down Sequencing (TPS6232x only) Available in a 10-Pin QFN (3 x 3 mm), 8-Pin NanoFree™, and NanoStar™ (CSP) Packaging APPLICATIONS Cell Phones, Smart-Phones WLAN and Bluetooth™ Applications Micro DC-DC Converter Modules PDAs, Pocket PCs USB-Based DSL Modems Digital Cameras 2.7 V . . 6 V VI C1 4.7 µF TPS62303YZD A2 VIN SW B1 B2 EN VOUT D1 L1 1 µH C1 MODE/SYNC ADJ C2 A1 GND FB D2 VO C2 1.8 V/500 mA 4.7 µF Figure 1. Smallest Solution Size Application (Fixed Output Voltage) DESCRIPTION The TPS623xx device is a high-frequency synchronous step-down dc-dc converter optimized for battery-powered portable applications. Intended for low-power applications, the TPS623xx supports up to ...