TPS54319
TPS54319 is 3-A Synchronous Step-Down Switcher manufactured by Texas Instruments.
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SLVSA83
- JUNE 2010
2.95-V to 6-V Input, 3-A Output, 2-MHz, Synchronous Step-Down Switcher With Integrated FETs ( SWIFT™)
Check for Samples: TPS54319
Features
- 2 Two 45-mΩ (typical) MOSFETs for High Efficiency at 3-A Loads
- 300k Hz 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 Good Output
- - 40°C to 150°C Operating Junction
Temperature Range
- Thermally Enhanced 3mm × 3mm 16-pin QFN
- Pin patible 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 vertical spacer
VIN CI
C ss RT
CBOOT
BOOT
TPS54319 LO
PWRGD
VSENSE
SS/TR
RT /CLK...
