TPS54310

Product Folder Order Now Technical Documents Tools & Software Support & Community TPS54310 SLVS412F – DECEMBER 2001 – REVISED APRIL 2019 TPS54310 3-V to 6-V Input, 3-A Output Synchronous-Buck PWM Switcher With Integrated FETs 1 Features 1 60-mΩ MOSFET switches for high efficiency at 3A continuous output source or sink current Adjustable output voltage down to 0.9 V With 1% accuracy Externally compensated for design flexibility Fast transient response Wide PWM frequency: fixed 350 kHz, 550 kHz, or adjustable 280 kHz to 700 kHz Load protected by peak current limit and thermal shutdown Integrated solution reduces board area and total cost 2 Applications Low-voltage, high-density systems with power distributed at 5 V or 3.3 V Point-of-load regulation for high performance DSPs, FPGAs, ASICs, and microprocessors Broadband, networking and optical communications infrastructure Portable computing/notebook PCs 3 Description As a member of one of TI's families of dc/dc regulators, the TPS54310 low-input-voltage highoutput-current synchronous-buck PWM converter integrates all required active components. Included on the substrate with the listed features are a true, high performance, voltage error amplifier that provides high performance under transient conditions; an undervoltage-lockout circuit to prevent start-up until the input voltage reaches 3 V; an internally and externally set slow-start circuit to limit in-rush currents; and a power good output useful ...