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TPS2505

Texas Instruments
Part Number TPS2505
Manufacturer Texas Instruments
Description Boost Converter/LDO
Published Sep 12, 2021
Detailed Description Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS2505 SPAS093C – DECEMBER 20...
Datasheet PDF File TPS2505 PDF File

TPS2505
TPS2505

Overview
Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS2505 SPAS093C – DECEMBER 2009 – REVISED SEPTEMBER 2015 TPS2505 Integrated Dual USB Switches, Boost Converter and LDO 1 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 Description 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-V input can be supplied by sources including DC-DC regulated supplies (for example, 3.
3 V), or batteries such as single cell Li+, two-cell or three-cell NiCd, NiMH or alkaline.
The output trip current for the dual USB switches can be programmed through external resistors from as low as 100 mA to as high as 1100 mA.
An auxiliary 5.
1-V output is provided, where the total current supplied by the USB outputs and the auxiliary by cannot exceed 1100 mA.
Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) TPS2505 VQFN (20) 5.
00 mm × 5.
00 mm (1) For all available packages, see the orderable addendum at the end of the data sheet.
Typical Application 2.
2µH HUB CONTROLLER Power Supply IN 1.
8V – 5.
25V 10µF EN SW RESET LDOOUT EN_LDO 5V Output RFAULT 1 RFAULT 2 LDOIN AUX USB1 22µF TPS25...


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