TPS53316

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS53316 SLUSAP5A – DECEMBER 2011 – REVISED NOVEMBER 2016 TPS53316 High-Efficiency, 5-A Step-Down Regulator With Integrated Switcher 1 Features 1 96% Maximum Efficiency Continuous 5-A Output Current Capability Support all MLCC Output Capacitor SmoothPWM™ Auto-Skip Eco-Mode™ for Light- Load Efficiency Voltage Mode Control Single Rail Input Selectable Frequency Selectable OCP Threshold Selectable Soft-Start Time 2.9-V to 6-V Input Voltage Range Adjustable Output Voltage Ranging from 0.6 V up to 0.8 × VIN Soft-Stop Output Discharge During Disable Overcurrent, Overvoltage, and Overtemperature Protection Open-Drain Power Good Indication Internal Bootstrap Switch Supports Prebias Start-Up Functionality Small 3 mm × 3 mm, 16-Pin, QFN Package Low RDS(on), 22-mΩ With 3.3-V Input and 18-mΩ With 5-V Input 2 Applications Low-Voltage Applications for 5-V Step-Down Rails Low-Voltage Applications for 3.3-V Step-Down Rails 3 Description The TPS53316 device provides a fully integrated 3.3V or 5-V input, synchronous buck converter with 16 total components, in 200 mm2 of PCB area. Due to low RDS(on) and TI proprietary SmoothPWM skip mode of operation, it enables 96% peak efficiency, and over 90% efficiency at load as light as 100 mA. It requires only two 22-µF ceramic output capacitors for a power-dense, 5-A solution. TPS53316 features 750-kHz, 1.1-MHz, and 2-MHz sw...