TPS65580

TPS65580 www.ti.com SLVSC29B – SEPTEMBER 2013 – REVISED DECEMBER 2013 4.5V to 18V Input 1.5A, 2.5A, 1.5A Triple Synchronous Step-Down Converter Check for Samples: TPS65580 FEATURES 1 2 Advanced D-CAP2™ Control Mode – Fast Transient Response – No External Parts Required For Loop Compensation – Compatible with Ceramic Output Capacitors Wide Input Voltage Range : 4.5 V to 18 V Output Voltage Range : 0.76 V to 7.0 V Highly Efficient Integrated FETs Optimized for Low Duty Cycle Applications – 160 mΩ (High Side) and 130 mΩ (Low Side) for 2.5A – 250mΩ (High Side) and 230mΩ (Low Side) for 1.5A High Initial Reference Accuracy Low-Side RDS(on) Loss-Less Current Sensing Fixed 1.2 ms Soft Start Non-Sinking Pre-Biased Soft Start 700 kHz Switching Frequency Cycle-by-Cycle Over-Current Limiting Control OCL, OVP, UVP, UVLO, TSD Protections Hiccup Timer for Over Load Protection PowerGood Adaptive Gate Drivers with Integrated Boost PMOS Switch OCP Constant Due To Thermally Compensated rds(on) with 4000ppm/℃ 20-Pin HTSSOP APPLICATIONS Point-of-Load Regulation in Low Power Systems for Wide Range of Applications – Digital TV Power Supply – Networking Home Terminal – Digital Set Top Box (STB) – DVD Player/Recorder – Gaming Consoles and Other DESCRIPTION The TPS65580 is a triple, advanced D-CAP2™ mode synchronous buck converter. The TPS65580 enables system designers to complete the suite of various end equipment’s power bus regulators with a cost effective, low...