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SY8881 Datasheet 1A Synchronous Step Down Regulator

Manufacturer: Silergy

Overview: Application Note: AN_SY8881 High Efficiency 2.5MHz, 1A Synchronous Step Down Regulator.

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General Description

SY8881 is a high efficiency 2.5MHz synchronous step down DC/DC regulator IC capable of delivering up to 1A output currents.

It can operate over a wide input voltage range from 2.5V to 5.5V and integrate main switch and synchronous switch with very low RDS (ON) to minimize the conduction loss.

Ordering Information SY8881 (□□)□ Temperature Code Package Code Ordering Number Package Type Note SY8881DQC DFN1.5×1.5-6 1A

Key Features

  • Low RDS(ON) for internal switches (top/bottom) 230mΩ/150mΩ.
  • 2.5~5.5V input voltage range.
  • High switching frequency 2.5MHz minimizes the external components.
  • Internal soft-start limits the inrush current.
  • 100% dropout operation.
  • RoHS Compliant and Hal gen Free.
  • Output auto discharge function.
  • Compact package: DFN1.5x1.5-6.

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