TPS62693

CSP-6 TPS62692, TPS62693 TPS62694, TPS62698 www.ti.com SLVSAZ1 – DECEMBER 2012 800-mA , 3-MHz HIGH-EFFICIENCY STEP-DOWN CONVERTER Check for Samples: TPS62692, TPS62693, TPS62694, TPS62698 FEATURES 1 23 95% Efficiency at 3MHz Operation 21 μA Quiescent Current 3 MHz Regulated Frequency Operation Spread Spectrum, PWM Frequency Dithering High Duty-Cycle Operation ±2% Total DC Voltage Accuracy Best in Class Load and Line Transient Excellent AC Load Regulation Low Ripple Light-Load PFM Mode ≥40 dB VIN PSRR (1 kHz to 10 kHz) Internal Soft Start, 350-μs Start-Up Time Integrated Active Power-Down Sequencing (Optional) Current Overload and Thermal Shutdown Protection Three Surface-Mount External Components Required (One 2012 MLCC Inductor, Two 0402 Ceramic Capacitors) Complete Sub 1-mm Component Profile Solution Total Solution Size <12 mm2 (CSP) Available in a 6-Pin NanoFree™ (CSP) DESCRIPTION The TPS62693 device is a high-frequency synchronous step-down dc-dc converter optimized for battery-powered portable applications. Intended for low-power applications, the TPS62693 supports up to 800-mA load current, and allows the use of low cost chip inductor and capacitors. The device is ideal for mobile phones and similar portable applications powered by a single-cell Li-Ion battery. Different fixed output voltage versions are available in the range from 2.2 V up to 3.3 V. The TPS62693 operates at a regulated 3-MHz switching frequency and enters the power...