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SM8081 - Synchronous Step Down Regulator

Description

SM8081 is a high efficiency 1.5MHz synchronous step down DC/DC regulator capable of delivering up to 1A output current.

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

Features

  • 2.5V to 5.5V Input Voltage Range.
  • 70μA Low Quiescent Current.
  • Low RDS(ON) for Internal Switches (Top/Bottom) 260mΩ /170mΩ.
  • High Switching Frequency 1.5MHz Minimizes the External Components.
  • Internal Soft-start Limits the Inrush Current.
  • 100% Dropout Operation.
  • Reliable Short Circuit Protection.
  • Output Auto Discharge Function.
  • RoHS Compliant and Halogen Free.
  • Compact Package: SOT23-5.

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Datasheet preview – SM8081

Datasheet Details

Part number SM8081
Manufacturer Silergy
File Size 1.08 MB
Description Synchronous Step Down Regulator
Datasheet download datasheet SM8081 Datasheet
Additional preview pages of the SM8081 datasheet.

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Full PDF Text Transcription

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Application Note: SM8081 ` General Description SM8081 is a high efficiency 1.5MHz synchronous step down DC/DC regulator capable of delivering up to 1A output current. It can operate over a wide input voltage range from 2.5V to 5.5V and integrates main switch and synchronous switch with very low RDS(ON) to minimize the conduction loss. The low output voltage ripple, the small external inductor and the capacitor sizes are achieved with 1.5MHz switching frequency. Ordering Information SM8081 □(□□)□ Temperature Code Pa cka ge Code Optional Spec Code Ordering Number Package type Note SM8081AAC SOT23-5 -- High Efficiency, 1.5MHz, 1A Synchronous Step Down Regulator Features  2.5V to 5.
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