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RT9742 - 3A/2A/1.5A/1A High-Side Power Switches

Description

The RT9742 is a cost-effective, low-voltage, single N-MOSFET high-side Power Switch IC for USB application.

Low switch-on resistance and low supply current are realized in this IC.

Features

  • 70mΩ/55mΩ (typ. ) N-MOSFET Switch.
  • Operating Range : 2.7V to 6V.
  • Reverse Blocking Current.
  • Under Voltage Lockout.
  • Deglitched Fault Report (FLG).
  • Thermal Protection with Fold-back.
  • Over Current Protection.
  • Short Circuit Protection.
  • UL Approved.
  • E219878.
  • Nemko Approved-NO109777.

📥 Download Datasheet

Datasheet preview – RT9742

Datasheet Details

Part number RT9742
Manufacturer Richtek
File Size 298.83 KB
Description 3A/2A/1.5A/1A High-Side Power Switches
Datasheet download datasheet RT9742 Datasheet
Additional preview pages of the RT9742 datasheet.

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Full PDF Text Transcription

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® RT9742 70mΩ/55mΩ, 3A/2.5A/2A/1.5A/1A/0.5A High-Side Power Switches with Flag General Description The RT9742 is a cost-effective, low-voltage, single N-MOSFET high-side Power Switch IC for USB application. Low switch-on resistance and low supply current are realized in this IC. The RT9742 integrates an over-current protection circuit, a short fold back circuit, a thermal shutdown circuit and an under-voltage lockout circuit for overall protection. Besides, a flag output is available to indicate fault conditions to the local USB controller. Furthermore, the chip also integrates an embedded delay function to prevent miss-operation from happening due to inrush-current.
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