TPS65265

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS65265 SLVSD86A – DECEMBER 2015 – REVISED DECEMBER 2015 TPS65265 4.5-V to 17-V Input Voltage, 5-A/3-A/2-A Output Current Triple Synchronous Step-Down Converter 1 Features 1 Operating Input Voltage Range 4.5 V to 17 V Feedback Reference Voltage 0.6 V ±1.33% Continuous Output Current 5 A/3 A/2 A Adjustable Clock Frequency from 250 kHz to 2.3 MHz External Synchronization Oscillator 120° Out of Phase for Buck1, Buck2, Buck3 Dedicated Enable Pins for Each Buck Fixed SS Time for Each Buck (2.4 ms) Automatic Power-Up/Power-Down Sequence and Adjustable Interval Time Between Bucks (6 Combinations) Support Pulse Skipping Mode (PSM) and Forced Continuous Current Mode (FCCM) Output Voltage Power Good Indicator and Adjustable Delay Time Thermal Overloading Protection 32-Pin QFN (RHB) 5-mm × 5-mm Package 2 Applications DTV Set-Top Boxes/OTT Home Gateway and Access Point Networks Surveillance 3 Description The TPS65265 incorporates triple synchronous buck converters with 4.5-V to 17-V wide input voltage range that encompassed most intermediate bus voltage operating off 5-, 9-, 12- or 15-V power bus or battery. The converter with constant frequency peak current mode is designed to simplify its application while giving designers options to optimize the system according to targeted applications. The switching frequency of the converters can be adjustable from 250 kHz t...