TPS54377
www.ti.com SLVS779 – SEPTEMBER 2007 1.6 MHz, 3-V TO 6-V INPUT, 3-A SYNCHRONOUS STEP-DOWN SWIFT™ CONVERTER
WITH DISABLED SINKING DURING START-UP
FEATURES 1 60-mΩ MOSFET Switches for High Efficiency
at 3-A Continuous Output Current Adjustable Output Voltage Down to 0.9 V With
1% Accuracy Switching Frequency: Adjustable From
280 kHz to 1600 kHz Disabled Current Sinking During Start-Up Fast Transient Response Load Protected by Peak Current Limit and
Thermal Shutdown Integrated Solution Reduces Board Area and
Total Cost Spacing Saving 4mm x 5mm QFN Packaging For SWIFT Documentation, Application Notes,
and Design Software, see the TI website at
www.ti.com/swift
2 APPLICATIONS Low-Voltage, High-Density Systems With
Power Distributed at 5 V or 3.3 V
Point of Load Regulation for High
Performance DSPs, FPGAs, ASICs, and
Microprocessors
Broadband, Networking and Optical
Communications Infrastructure
Simplified For reliable power up in output precharge
applications, the TPS54377 is designed to only
source current during start-up.
The TPS54377 device is available in a thermally
enhanced 24-pin QFN (RHF) PowerPADв„ў package, …
