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ETA2831 - 3.5A output USB Charging

Datasheet Summary

Description

The ETA2831 is a total solution IC specifically for high voltage USB charging applications.

It includes a wide input range, high-efficiency, and high frequency DC-to-DC step-down switching regulator that is capable of delivering up to 4A of output current and a low side USB current limiting switch.

Features

  • Wide Input Operating Range from 4V to 36V.
  • Standoff Input Voltage: 42V.
  • High Efficiency at 12V In 5V Out: Up to 91%:.
  • High Efficiency PFM mode at light load.
  • Capable of Delivering 3.5A output current.
  • Peak Output Current up to 4A.
  • Cable resistance compensation.
  • Adjustable Switching frequency.
  • Adjustable Output current limit.
  • Frequency dithering Option for low EMI available.
  • Current Mode control.
  • Logic Control Shutdown.
  • Thermal shu.

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Datasheet Details

Part number ETA2831
Manufacturer ETA
File Size 906.42 KB
Description 3.5A output USB Charging
Datasheet download datasheet ETA2831 Datasheet
Additional preview pages of the ETA2831 datasheet.

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Full PDF Text Transcription

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ETA2831 36V Input, 3.5A output USB Charging Total Solution IC in QFN3x3-16 DESCRIPTION The ETA2831 is a total solution IC specifically for high voltage USB charging applications. It includes a wide input range, high-efficiency, and high frequency DC-to-DC step-down switching regulator that is capable of delivering up to 4A of output current and a low side USB current limiting switch. The DC-DC in ETA2831 is a current mode converter with a fixedfrequency that is externally adjustable. There is also a cable resistance compensation feature that allows users to adjust the output voltage to compensate for the voltage drop due to cable resistance. An OVP function protects the IC itself and its downstream system against input voltage surges.
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