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TPS51217DSCRTIN/a7063avai3V to 28V Input. 20A Synchronous Step Down Controller with DCAP? Mode, 340kHz for Notebook Power 10-WSON -40 to 85
TPS51217DSCTTIN/a525avai3V to 28V Input. 20A Synchronous Step Down Controller with DCAP? Mode, 340kHz for Notebook Power 10-WSON -40 to 85


TPS51217DSCR ,3V to 28V Input. 20A Synchronous Step Down Controller with DCAP? Mode, 340kHz for Notebook Power 10-WSON -40 to 85FEATURES DESCRIPTIONThe TPS51217 is a small-sized single buck controller2• Wide Input Voltage Range ..
TPS51217DSCT ,3V to 28V Input. 20A Synchronous Step Down Controller with DCAP? Mode, 340kHz for Notebook Power 10-WSON -40 to 85ELECTRICAL CHARACTERISTICSover recommended free-air temperature range, V5IN = 5V. (Unless otherwise ..
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TPS51217DSCR-TPS51217DSCT
3V to 28V Input. 20A Synchronous Step Down Controller with DCAP?Mode, 340kHz for Notebook Power
TRAN
VFB
VID1
TPS51217
TPS51217
www.ti.com
SLUS947B–JUNE 2009–REVISED APRIL 2012
HIGH PERFORMANCE, SINGLE SYNCHRONOUS STEP-DOWN
CONTROLLER FOR NOTEBOOK POWER SUPPLY
Checkfor Samples: TPS51217
1FEATURES DESCRIPTION

The TPS51217isa small-sized single buck controller Wide Input Voltage Range:3Vto 28V with adaptive on-time D-CAP™ mode. The deviceis• Output Voltage Range: 0.6Vto 2.6V• Wide Output Load Range:0to (POL)A• Built-in 0.5% 0.6V Reference on• D-CAP™ Mode with 100-ns Load StepResponse• Adaptive On Time Control Architecture with
Fixed 340kHz Operation• Dynamic Output Voltage Change Capability• 4700 ppm/°C RDS(on) Current Sensing Internal 0.9-ms Voltage Servo Softstart• Pre-Charged Start-up Capability• Built-in Output Discharge• Power Good Output• Integrated Boost Switch• Built-in OVP/UVP/OCP• Thermal Shutdown (Non-latch) SON-10 (DSC) Package
APPLICATIONS Notebook Computers I/O Supplies System Power Supplies CIRCUIT
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