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LP6491 - 5A Step-down Converter

Datasheet Summary

Description

The LP6491 is a compact, high efficiency, high speed synchronous monolithic step-down switching regulator designed to power 5V USB applications.

A precise output voltage and programmable cable drop compensation maintain accurate 5V regulation at the USB socket connected to the end of a long cable.

Features

  • Input Voltage Range: 9V to 35V.
  • Max Load Current : 5A.
  • Programmable Input and Output Current Limit.
  • Up to 95% Efficiency.
  • 100% Duty Cycle in Dropout.
  • 180KHz Switching Frequency.
  • Soft star Function.
  • Short Circuit Protection.
  • Current Mode Operation.
  • Thermal Fault Protection.
  • ESOP-8 Package.
  • RoHS Compliant and 100% Lead (Pb)-Free.

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Datasheet preview – LP6491

Datasheet Details

Part number LP6491
Manufacturer Lowpowersemi
File Size 964.95 KB
Description 5A Step-down Converter
Datasheet download datasheet LP6491 Datasheet
Additional preview pages of the LP6491 datasheet.

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Full PDF Text Transcription

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Preliminary Datasheet LP6491 180KHz, 5A Step-down Converter With Cable Dropout Compensation General Description The LP6491 is a compact, high efficiency, high speed synchronous monolithic step-down switching regulator designed to power 5V USB applications. A precise output voltage and programmable cable drop compensation maintain accurate 5V regulation at the USB socket connected to the end of a long cable. Forced continuous operation allows the LP6491 to sink current, further enhancing accurate 5V regulation during load transients.
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