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SY8089A - Synchronous Step Down Regulator

Download the SY8089A datasheet PDF. This datasheet also covers the SY8089 variant, as both devices belong to the same synchronous step down regulator family and are provided as variant models within a single manufacturer datasheet.

General Description

The SY8089 and SY8089A are high-efficiency, high frequency synchronous step-down DC-DC regulator IC capable of delivering up to 2A output current.

Key Features

  • Low RDS(ON) for internal switches (top/bottom):110mΩ/80mΩ.
  • 2.7-5.5V input voltage range.
  • 2A continuous, 3A peak load current capability.
  • 1MHz switching frequency minimizes the external components.
  • Internal softstart limits the inrush current.
  • Reliable short circuit protection: SY8089: Latch off protection SY8089A: Hic-cup mode protection.
  • Reliable over-voltage protection: SY8089: Latch off protection SY8089A: No latch off protection.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (SY8089-Silergy.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number SY8089A
Manufacturer Silergy
File Size 1.57 MB
Description Synchronous Step Down Regulator
Datasheet download datasheet SY8089A Datasheet

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Other Datasheets by Silergy

Part Number Description
SY8089A1 2A Synchronous Step Down Regulator
SY8089 Synchronous Step Down Regulator
SY8089E1 2A Synchronous Step Down Regulator
SY8089I 2A Synchronous Step Down Regulator
SY8086 1A Synchronous Step Down Regulator

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.

View original datasheet text
Application Note: AN_SY8089/SY8089A High Efficiency 5.5V, 2A continuous, 3A peak, 1MHz Synchronous Step Down Regulator General Description The SY8089 and SY8089A are high-efficiency, high frequency synchronous step-down DC-DC regulator IC capable of delivering up to 2A output current. The SY8089 and SY8089A operate over a wide input voltage range from 2.7V to 5.5V and integrate main switch and synchronous switch with very low RDS(ON) to minimize the conduction loss. Low output voltage ripple and small external inductor and capacitor sizes are achieved with greater than 1MHz switching frequency. SY8089 integrates short circuit and over-voltage latch off protection.