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/Silergy SY8089AAAC High Efficiency 5.5V, 2A continuous, 3A peak, 1MHz Synchronous Step Down Regulator

Silergy SY8089AAAC High Efficiency 5.5V, 2A continuous, 3A peak, 1MHz Synchronous Step Down Regulator

High Efficiency 5.5V, 2A continuous, 3A peak, 1MHz  Synchronous Step Down Regulator

  • Brand:

    SILERGY
  • Product Details

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.


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  

• 100% dropout operation  

• RoHS Compliant and Halogen Free  

• Compact package: SOT23-5  Applications  

• LCD TV  

• Set Top Box  

• Net PC  

• Mini-Notebook PC  

• Access Point Router


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