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SY20731DSC (SY6301DSC)

Production
Super Low Dropout 1A LDO Regulator
Datasheet
SY20731DSC Super Low Dropout 1A LDO Regulator Datasheet
Part number SY20731DSC
Vin (max) (V) 5.5
Vin (min) (V) 1.6
Iout (max) (A) 1
Output type Adjustable
Vout (max) (V) 5.5
Vout (min) (V) 1
Iq (typ) (uA) 60
PSRR at 100kHz (dB) 40
Accuracy (±%) 5
Features Enable,Fixed soft-start,Auto-discharge,Over current protection,Thermal shutdown
Operating temperature range(°C) -40 to 125
Package DFN3×3-6
Functional safety category
  • Input Voltage Range: 1.6-5.5V
  • Output Voltage Accuracy: ±3%
  • Up to 1A Output Current
  • Low Dropout Voltage:

           Typ. 0.32V at IOUT=1A, VOUT=1.5V

           Typ. 0.18V at IOUT=1A, VOUT=2.8V

  • Current Limiting Protection
  • Thermal Shutdown Protection
  • Quiescent Current: 60μA
  • Output Auto-discharge Function
  • Over Temperature Protection
  • RoHS Compliant and Halogen Free
  • Compact Package: DFN3×3-6

 

The SY20731 is a super low-dropout voltage regulator capable of sourcing up to 1A with small package. It provides programmable output voltage with ±3% accuracy. 

Evaluation Board

  • 20731-1

    Photo of evaluation board

  • 20731-2

    Photo of evaluation board

  • 20731-3

    Photo of evaluation board

EVB_SY20731DSC

The EVB_SY20731DSC is intended for evaluating a super low dropout 1A LDO Regulator with small package.

Technical Documentation

Title Date
Silergy_Catalog_Q2_2026 2026-06-12