TPS54320

Product Folder Order Now Technical Documents Tools & Software Support & Community Reference Design TPS54320 SLVS982C – AUGUST 2010 – REVISED APRIL 2018 TPS54320 4.5- to 17-V Input, 3-A Synchronous Step Down SWIFT™ Converter 1 Features 1 Integrated 57-mΩ / 50-mΩ MOSFETs Split Power Rail: 1.6 to 17 V on PVIN 200-kHz to 1.2-MHz Switching Frequency Synchronizes to External Clock 0.8-V Voltage Reference With ±1% Accuracy Low 2-µA Shutdown Quiescent Current Hiccup Overcurrent Protection Monotonic Start-Up into Prebiased Outputs –40°C to 150°C Operating Junction Temperature Range Pin-to-Pin Compatible With the TPS54620 Adjustable Slow Start/Power Sequencing Power Good Output for Undervoltage and Overvoltage Monitoring Adjustable Input Undervoltage Lockout (UVLO) Supported by SwitcherPro™ Software Tool For SWIFT™ Documentation and SwitcherPro, Visit www.ti.com/swift Create a Custom Design Using the TPS54320 With the WEBENCH® Power Designer 2 Applications Broadband, Networking, and Communication Infrastructure Automated Test and Medical Equipment DSP and FPGA Point-of-Load Applications from 12-V Bus Simplified Schematic VIN Cin Css Rrt C2 PVIN VIN TPS54320 BOOT Cboot EN PH PWRGD Lo Co SS/TR VSENSE RT/CLK COMP GND R3 Exposed Thermal C1 Pad VOUT R1 R2 3 Description The TPS54320 is a full-featured 17-V, 3-A synchronous step-down converter which is optimized for small designs through high efficiency and integrated high-side and low-side...