Home Products Low Dropout Regulators General LDOs

SY20773DSD (SQ24301DSD)

Production
Super Low Dropout 1A LDO Regulator
Datasheet
SY20773DSD Super Low Dropout 1A LDO Regulator Datasheet
Part number SY20773DSD
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,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: ±5%
  • 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 SY20773 is a super low dropout LDO regulator with small package, capable of delivering up to 1A output current. 

Evaluation Board

  • 20773-1

    Photo of evaluation board

  • 20773-2

    Photo of evaluation board

  • 20773-3

    Photo of evaluation board

EVB_SY20773DSD

The EVB_SY20773DSD is intended for evaualting a Super Low Dropout 1A LDO Regulator SY20773DSD.

Technical Documentation

Title Date
Silergy_Catalog_Q2_2026 2026-06-12