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SY20821B3ABC (SY6863B3ABC)

Production
5.5V, 3A Low Loss Power Distribution Switch with Reverse Block Rating Up to 28V
Datasheet
SY20821B3ABC 5.5V, 3A Low Loss Power Distribution Switch with Reverse Block Rating Up to 28V Datasheet
Part number SY20821B3ABC
Channel(#) 1
Vin (min) (V) 2.5
Vin (max) (V) 5.5
Iout (max) (A) 3
Iq (typ) (uA) 65
Protection mode Auto-recovery OCP, Auto-recovery OVP, Auto-recovery OTP
Ron (typ) (mΩ) 45
Soft start Fixed
Output discharge YES
Enable logic High
Certification recognition UL2367,IEC62368
Features Fast role swap,OCP alert,Reverse blocking
Package SOT23-6
Operating temperature range(°C) -40 to 125
Functional safety category
  • Input Voltage: 2.5V to 5.5V
  • Output Voltage Withstanding 28V
  • Extremely Low Power Path Resistance: 45mΩ (typ.)
  • 3A Load Current Capability
  • Reverse Blocking in Normal Operation or Shutdown
  • Fault Flag (OCB) Output For Over Current and Fault Conditions
  • Fast Role Swap Support
  • Compact Package: SOT23-6
  • RoHS Compliant and Halogen Free

 

Evaluation Board

  • 6861B1-9

    Photo of evaluation board

  • 8

    Photo of evaluation board

  • 7

    Photo of evaluation board

EVB_SY20821B3ABC

The EVB_SY20821B3ABC is used for evaluating an ultra-low RDS(ON), 3A Low Loss Power Distribution switch with programmable current limit to protect the power source from over current and short circuit conditions.

Technical Documentation

Title Date
Silergy_Catalog_Q2_2026 2026-06-12

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