TPS54394

www.ti.com TPS54394 SLVSBE6B – JUNE 2012 – REVISED AUGUST 2013 3A Dual Channel Synchronous Step-Down Switcher with Integrated FET Check for Samples: TPS54394 FEATURES 1 2 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 V Highly Efficient Integrated FETs Optimized for Low Duty Cycle Applications – 90 mΩ (High Side) and 60 mΩ (Low Side) High Initial Reference Accuracy Supports Constant 3 A at Both Channels Low-Side rDS(on) Loss-Less Current Sensing Fixed Soft Start : 1 ms Non-Sinking Pre-Biased Soft Start Powergood 700 kHz Switching Frequency Cycle-by-Cycle Over-Current Limit Control Hiccup Timer for Overload Protection OCL/UVLO/TSD Protections Adaptive Gate Drivers with Integrated Boost PMOS Switch OCP Constant Due To Thermally Compensated rDS(on) with 4000ppm/℃ 16-Pin HTSSOP, 16-Pin VQFN Auto-Skip Eco-mode™　for High Efficiency at Light Load 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 TPS54394 is a dual, adaptive on-time D-CAP2™ mode synchronous buck converter. The TPS54394 enables system designers to complete the suite of various end equipment’s power bus regulators with a cost e...