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SY8511B - 1.2A Asynchronous Step Down Regulator

General Description

The SY8511B is a high efficiency, current mode adaptive constant OFF time controlled asynchronous step-down DC/DC converter capable of delivering 1.2A output current.

Key Features

  • Low RDS(ON) for Internal N-channel Power FET:1Ω.
  • 4.5-100V Input Voltage Range.
  • 1.2A Output Current Capability.
  • 200kHz Pseudo Constant Switching Frequency.
  • Internal Soft-start Limits the Inrush Current.
  • Hic-cup Mode Output Short Circuit Protection.
  • EN ON/OFF Control with Accurate Threshold.
  • Cycle-by-cycle Peak Current Limit.
  • 0.6V±1 % Reference Voltage.
  • RoHS Compliant and Halogen Free.
  • TSOT23-6 Pack.

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Datasheet Details

Part number SY8511B
Manufacturer Silergy
File Size 822.87 KB
Description 1.2A Asynchronous Step Down Regulator
Datasheet download datasheet SY8511B Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Application Note: SY8511B High Efficiency, 200kHz, 100V Input, 1.2A Asynchronous Step Down Regulator General Description The SY8511B is a high efficiency, current mode adaptive constant OFF time controlled asynchronous step-down DC/DC converter capable of delivering 1.2A output current. The SY8511B operates over a wide input voltage range from 4.5V to 100V and integrates main switch with very low RDS(ON) to minimize the conduction loss. Ordering Information SY8511 □(□□)□ Tempera ture Code Pa cka ge Code Optional Spec Code Ordering Number SY8511BADC Package Type Note TSOT23-6 Typical Application Features • Low RDS(ON) for Internal N-channel Power FET:1Ω • 4.5-100V Input Voltage Range • 1.