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LPW5203 - 1.2A Smart Loading Switch

Datasheet Summary

Description

The LPW5203A is an integrated power switch for self-powered and bus-powered Universal Series Bus (USB) applications.

A built-in charge pump is used to drive the N-Channel MOSFET that is free of parasitic body diode to eliminate any reversed current flow across the switch when it is powered off.

Features

  • 120mΩ Low RDS(ON), High-side N-MOSFET.
  • Fixed 1.2A Continuous Current.
  • 2.5V to 6V Input Voltage.
  • Low Quiescent Current:16uA.
  • Soft Start Function.
  • Built-In Short-Circuit Protection.
  • Built-in Ther.

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Datasheet Details

Part number LPW5203
Manufacturer Lowpowersemi
File Size 673.71 KB
Description 1.2A Smart Loading Switch
Datasheet download datasheet LPW5203 Datasheet
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Preliminary Datasheet LPW5203 1.2A Smart Loading Switch With OCP General Description The LPW5203A is an integrated power switch for self-powered and bus-powered Universal Series Bus (USB) applications. A built-in charge pump is used to drive the N-Channel MOSFET that is free of parasitic body diode to eliminate any reversed current flow across the switch when it is powered off. Its low quiescent current (16μA) and small package (SOT-23-5) is particularly suitable in battery-powered portable equipment. Several protection functions include soft start to limit inrush current during plug-in, current limiting at 1.2A to meet USB power requirement, and thermal shutdown to protect damage under over current conditions.
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