Typical Size
6,4 mm X 9,7 mm TPS54073 www.ti.com . SLVS547 – FEBRUARY 2005 2.2 – 4 -V, 14-A SYNCHRONOUS BUCK CONVERTER
WITH DISABLED SINKING DURING START-UP
FEATURES 1 8-mΩ MOSFET Switches for High Efficiency at
14.5-A Peak Output Current Separate Low-Voltage Power Bus Disabled Current Sinking During Start-Up Adjustable Output Voltage Down to 0.9 V Wide PWM Frequency: Fixed 350 kHz, 550 kHz
or Adjustable 280 kHz to 700 kHz Synchronizable to 700 kHz Load Protected by Peak Current Limit and
Thermal Shutdown Integrated Solution Reduces Board Area and
Total Cost DESCRIPTION APPLICATIONS For reliable power up in output precharge
applications, the TPS54073 is designed to only
source current during start-up. 2 Low-Voltage, High-Density Distributed Power
Systems
Point of Load Regulation for HighPerformance DSPs, FPGAs, ASICs, and
Microprocessors
Broadband, Networking, and Optical
Communications Infrastructure
Power PC Series Processors As a member of the SWIFTв„ўfamily of dc/dc
regulators, the TPS54073 low-input voltage
high-output current synchronous buck PWM
converter integrates all required active components.
Included on the substrate with the listed features are
a true, high performance, voltage error amplifier that
enables maximum performance and flexibility in
choosing the output filter L and C components; an …
