TPS2505 - Texas Instruments

TPS2505 Boost Converter/LDO

The TPS2505 device provides an integrated solution to meet USB 5-V power requirements from a 1.8-V to 5.25-V input supply. The features include a 5.1-V, 1100-mA boost converter, a 200-mA, 3.3-V LDO linear regulator and dual USB 2.0 compliant power outputs with independent output switch enable, current limit, and overcurrent fault reporting. The 1.8-V to 5.25.

Features

•1 Integrated Synchronous Boost Converter, LDO, and Dual USB Current-Limited Switches
• 1.8-V to 5.25-V Input Voltage (2.2-V Minimum Start-Up Voltage)
• Adjustable Independent USB Current Limit
  – 100 mA to 1100 mA
• Auxiliary 5.1-V Output
• 3.3-V Linear Regulator Output
• Inrush Current < 100 mA
• Minimal External Components Required
• Deglitched Independent Fault Reporting
• Small 5-mm × 5-mm QFN-20 Package
• Industrial Temperature Range 2 Applications
• Portable Applications Using Single Li+ Cell
• Bus Powered USB Hosts
• USB Hosts Without Native 5-V Supplies
• Computer Peripherals 3 Descri.