TPS62615

www.ti.com CSP-6 TPS62619, TPS62612 TPS62615, TPS62616 SLVS936A – NOVEMBER 2009 – REVISED MARCH 2010 350-mA, 6-MHz HIGH-EFFICIENCY STEP-DOWN CONVERTER IN LOW PROFILE CHIP SCALE PACKAGING (HEIGHT < 0.4mm) Check for Samples: TPS62619, TPS62612, TPS62615, TPS62616 FEATURES 1 23 90% Efficiency at 6MHz Operation 31mA Quiescent Current Wide VIN Range From 2.3V to 5.5V 6MHz Regulated Frequency Operation Best in Class Load and Line Transient ±2% Total DC Voltage Accuracy Automatic PFM/PWM Mode Switching Low Ripple Light-Load PFM Mode >50dB VIN PSRR (1kHz to 10kHz) Internal Soft-Start, 100-ms Start-Up Time Integrated Active Power-Down Sequencing (Optional) Three Surface-Mount External Components Required (One 0603 MLCC Inductor, Two 0402 Ceramic Capacitors) Complete Sub 0.4-mm Component Profile Solution Total Solution Size <10 mm2 Available in a 6-Pin NanoFree™ (CSP) Ultra-Thin Packaging APPLICATIONS Cell Phones, Smart-Phones WLAN, GPS and Bluetooth™ Applications DTV Tuner Applications DC/DC Micro Modules l l VBAT 2.9 V .. 5.5 V CI 2.2 mF TPS6261x VIN EN L SW 0.47 mH FB GND MODE VOUT 1.8 V @ 350mA CO 4.7 mF Figure 1. Smallest Solution Size Application DESCRIPTION The TPS6261x device is a high-frequency synchronous step-down dc-dc converter optimized for battery-powered portable applications. Intended for low-power applications, the TPS6261x supports up to 350-mA load current, and allows the use of low cost chip inductor and capacitors. W...