Datasheet Texas Instruments TPS54319RTET — 数据表

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 ( SWIFTв„ў)
Check for Samples: TPS54319 FEATURES DESCRIPTION The TPS54319 device is a full featured 6 V, 3 A,
synchronous step down current mode converter with
two integrated MOSFETs. 1 2 Two 45-mΩ (typical) MOSFETs for High
Efficiency at 3-A Loads
300kHz to 2MHz Switching Frequency
0.8 V В± 3.0% Voltage Reference Over
Temperature (0В°C to 85В°C)
Synchronizes to External Clock
Adjustable Slow Start/Sequencing
UV and OV Power Good Output
–40°C to 150°C Operating Junction
Temperature Range
Thermally Enhanced 3mm Г— 3mm 16-pin QFN
Pin Compatible to TPS54318 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 The TPS54319 enables small designs by integrating
the MOSFETs, implementing current mode control to
reduce external component count, reducing inductor …