TPS54319 Datasheet - Texas Instruments

TPS54319, 3-A Synchronous Step-Down Switcher

TPS54319 www.ti.com SLVSA83 * JUNE 2010 2.95-V to 6-V Input, 3-A Output, 2-MHz, Synchronous Step-Down Switcher With Integrated FETs ( SWIFT™

Features

* 1
* 2 Two 45-mΩ (typical) MOSFETs for High Efficiency at 3-A Loads
* 300kHz to 2MHz Switching Frequency
* 0.8 V ± 3.0% Voltage Reference Over Temperature (0°C to 85°C)
* Synchronizes to External Clock
* Adjustable Slow Start/Sequencing
* UV and OV Power

Applications

* Low-Voltage, High-Density Power Systems
* Point-of-Load Regulation for Consumer Applications such as Set Top Boxes, LCD Displays, CPE Equipment SIMPLIFIED SCHEMATIC vertical spacer vertical spacer VIN CI C ss RT VIN CBOOT BOOT TPS54319 LO EN PH CO PWRGD VSENSE SS/TR RT

TPS54319-etcTI.pdf