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SY8286B - Synchronous Step Down Regulator

Datasheet Summary

Description

The SY8286B develops a high efficiency synchronous step-down DC/DC regulator with 3.3V fixed output voltage and 6A current rating.

The device integrates main switch and synchronous switch with very low RDS(ON) to minimize the conduction loss.

Features

  • Low RDS(ON) for Internal Switches (Top/Bottom): 38/19 mΩ.
  • Wide Input Voltage Range: 4-23V.
  • 3.3V LDO with Individual Enable Control and Bypass Switch.
  • Integrated Bypass Switch: 1.5Ω.
  • Instant PWM Architecture to Achieve Fast Transient Responses.
  • Internal 1.2ms Soft-start Limits the Inrush Current.
  • Pseudo-constant Frequency: 600kHz.
  • 6A Output Current Capability.
  • +/-1.5% Output Voltage Accuracy.
  • Power Good Indicator.
  • Output Discharge Function.

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Datasheet preview – SY8286B

Datasheet Details

Part number SY8286B
Manufacturer Silergy
File Size 904.84 KB
Description Synchronous Step Down Regulator
Datasheet download datasheet SY8286B Datasheet
Additional preview pages of the SY8286B datasheet.

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Full PDF Text Transcription

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SY8286B High Efficiency Fast Response, 6A, 23V Input Synchronous Step Down Regulator General Description The SY8286B develops a high efficiency synchronous step-down DC/DC regulator with 3.3V fixed output voltage and 6A current rating. The device integrates main switch and synchronous switch with very low RDS(ON) to minimize the conduction loss. The SY8286B also integrates a 3.3V/100mA LDO with bypass switch and individual enable control. The SY8286B operates over a wide input voltage range from 4V to 23V. The DC/DC regulator adopts the instant PWM architecture to achieve fast transient responses for high step down applications and high efficiency at light loads.
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