Two 95% Efficient, 3A Buck Controllers and One 300mA LDO
Tested and Endorsed by Xilinx for Powering the Spartan-3, Spartan-3E and Spartan-3L FPGAs
Adjustable (1.2V to 6.5V for Bucks, 1.0V to 6.5V for LDO) Output Voltages on All Channels
Input Voltage Range: 2.2V to 6.5V
Independent Soft-Start for Each Supply
Independent Enable for Each Supply for Flexible Sequencing
LDO Stable with 2.2µF Ceramic Output Cap
Small, Low-Profile 4.5mm x 3.5mm x 0.9mm QFN Package
APPLICATIONS
FPGA/DSP/ASIC Supplies
Set-Top Boxes
DSL Modems
Plasma TV Display Panels
Description
The TPS75003 is a complete power management solution for FPGA, DSP and other multi-supply applications. The device has been tested with and meets all of the Xilinx Spartan-3, Spartan-3E and Spartan-3L start-up profile requirements, including monotonic voltage ramp and minimum voltage rail rise time. Independent Enables for each output allow sequencing to minimize demand on the power supply at start-up. Soft-start on each supply limits inrush current during start-up. Two integrated buck controllers allow efficient, cost-effective voltage conversion for both low and high current supplies such as core and I/O. A 300mA LDO is integrated to provide an auxiliary rail such as VCCAUX on the Xilinx Spartan-3 FPGA. All three supply voltages are offered in user-programmable options for maximum flexibility.
The TPS75003 is fully specified from -40°C to +85°C and is offered in a QFN package, yielding a highly compact total solution size with high power dissipation capability.
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Inventory
Reported Distributor Inventory as of 10:00 AM GMT, 08 Nov 2009
** Lead time information is not available at this time. However, our information is updated daily so please check back with us soon. Please contact your preferred TI Authorized Distributor for additional information.
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