TPS51317
SLUSAH9 – MARCH 2011 www.ti.com 3.3-V/5-V Input, 6-A, D-CAP+™ Mode Synchronous Step-Down Integrated FETs Converter
Check for Samples: TPS51317 FEATURES DESCRIPTION The TPS51317 is a fully integrated synchronous buck
regulator employing D-CAP+в„ў mode architechture. It
is used for 3.3-V and 5-V step-down systems where
space is a consideration, high-performance and
optimized component count are required. The
TPS51317 features four switching frequency settings
(up to 1.5 MHz), synchronous operation in SKIP,
droop support, external tracking support, pre-bias
startup, output soft discharge, integrated bootstrap
switch, power good function, enable function and
complete protection functions, and both output
ceramic and SP/POS capacitor support. It supports
supply and conversion voltages up to 6.0 V, and
output voltages adjustable from 0.6 V to 2.0V. The
TPS51317 is available in the 3.5 mm Г— 4 mm 20-pin
QFN package (Green RoHs compliant and Pb free)
and is specified from -40В°C to 85В°C. 1 2 Integrated FETs Converter w/TI Proprietary
D-CAP+в„ў Mode Architecture
Minimum External Components Count
Support all MLCC Output Capacitor and
SP/POSCAP …
