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TPS2158 - 3.3-V LDO AND DUAL SWITCH

Download the TPS2158 datasheet PDF. This datasheet also includes the TPS2148 variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (TPS2148-etcTI.pdf) that lists specifications for multiple related part numbers.

General Description

The TPS2148 incorporates two power distribution switches and an LDO in one small package, providing a USB peripheral power management solution that saves up to 60% in board space over typical implementations.

The TPS2148 meets USB 2.0 bus-powered peripheral requirements.

An integrated LDO regulates the 5-V bus power down to 3.3 V for the USB controller, and a MOSFET switch that is internally connected to the output of the LDO simplifies meeting the suspend and enumeration current requirements imposed by the USB specification.

Overview

TPS2148 TPS2158 SLVS373 − AUGUST 2001 3.3ĆV LDO AND DUAL SWITCH FOR USB PERIPHERAL POWER.

Key Features

  • D Complete Power Management Solution for USB Bus-Powered Peripherals D 3.3-V 200 mA Low-Dropout Voltage Regulator With Enable D 3.3-V 340-mΩ (Typ) High-Side MOSFET D 5-V 340-mΩ (Typ) High-Side MOSFET D Independent Thermal- and Short-Circuit Protection for LDO and Each Switch D 2.9-V to 5.5-V Operating Range D CMOS- and TTL-Compatible Enable Inputs D 75-µA (Typ) Supply Current D Available in 8-Pin MSOP (PowerPAD) D.
  • 40°C to 85°C Ambient Temperature Range.

More Datasheets from Texas Instruments

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