TPS54873 Datasheet - Texas Instruments

TPS54873, SYNCHRONOUS BUCK SWITCHER

www.ti.com Typical Size 6,4 mm X 9,7 mm TPS54873 SLVS444A * OCTOBER 2002 * REVISED FEBRUARY 2005 4-V TO 6-V INPUT, 8-A OUTPUT SYNCHR.
As a member of the SWIFT™ family of dc/dc regulators, the TPS54873 low-input voltage high-output current synchronous buck PWM converter integrates all.

Features

* D 30-mΩ, 12-A Peak MOSFET Switches for High Efficiency at 8-A Continuous Output Source or Sink Current D Disabled Current Sinking During Start-Up D 0.9-V to 3.3-V Adjustable Output Voltage Range With 1.0% Accuracy D Wide PWM Frequency: Fixed 350 kHz, 550 kHz or Adjustable 280 kHz to 700 kHz D Synchr

Applications

* D Low-Voltage, High-Density Distributed Power Systems D Point of Load Regulation for High Performance DSPs, FPGAs, ASICs and Microprocessors D Broadband, Networking and Optical Communications Infrastructure D Power PC Series Processors TYPICAL APPLICATION

TPS54873-etcTI.pdf