TPS84320RUQR

The TPS84320RUQ is an easy-to-use integrated power solution that combines a 3-A DC/DC converter with power MOSFETs, an inductor, and passives into a low profile, BQFN package. This total power solution allows as few as 3 external components and eliminates the loop compensation and magnetics design process. The 9×15×2.8 mm BQFN package is easy to solder onto a printed circuit board and allows a compact point-of-load design with up to 95% efficiency and excellent power dissipation with a thermal impedance of 13°C/W junction to ambient. The device delivers the full 3-A rated output current at 85°C ambient temperature without airflow. The TPS84320 offers the flexibility and the featureset of a discrete point-of-load design and is ideal for powering performance DSPs and FPGAs. Advanced packaging technology afford a robust and reliable power solution compatible with standard QFN mounting and testing techniques.

Applications

• Broadband & Communications Infrastructure
• Automated Test and Medical Equipment
• Compact PCl / PCI Express / PXI Express
• DSP and FPGA Point of Load Applications
• High Density Distributed Power Systems

Key features

• Complete Integrated Power Solution Allows Small Footprint, Low-Profile Design
• Efficiencies Up To 95%
• Wide-Output Voltage Adjust 0.8 V to 5.5 V with 1% Reference Accuracy
• Optional Split Power Rail Allows Input Voltage Down to 1.6 V
• Adjustable Switching Frequency (330 kHz to 780 kHz)
• Synchronizes to an External Clock
• Adjustable Slow-Start
• Output Voltage Sequencing / Tracking
• Power Good Output
• Programmable Undervoltage Lockout (UVLO)
• Overcurrent Protection - Hiccup - Mode
• Over Temperature Protection
• Pre-bias Output Start-up
• Operating Temperature Range: -40°C to 85°C
• Enhanced Thermal Performance: 13°C/W
• Meets EN55022 Class B Emissions