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SY20117ADFC (SY8883ADFC)

Production
High Efficiency, 1MHz, 3A Synchronous Step Down Regulator
Datasheet
SY20117ADFC High Efficiency, 1MHz, 3A Synchronous Step Down Regulator Datasheet
Part number SY20117ADFC
Channel(#) 1
Vin (min) (V) 2.5
Vin (max) (V) 5.5
Switching frequency (min)(kHz) 1000
Switching frequency (max)(kHz) 1000
Vout (min) (V) 0.6
Vout (max) (V) 5
Iout (max) (A) 3
Vout2 (min)(V)
Vout2 (max )(V)
Iout2 (max)(A)
Vref accuracy (±%) 1.5
Vout accuracy(±%) 1.5
Control mode COT OFF+lpeak
Duty cycle (max)(%)
Operation mode Auto PFM
Iq (typ) (uA) 55
Features Power Good Indicator, Hic-cup SCP, Auto Discharge
Package DFN2x2-8
Operating temperature range(°C) -40°C to 125°C
Functional safety category
  • 2.5V to 5.5V Input Voltage Range
  • 55μA Low Quiescent Current
  • Low RDS(ON) for Internal Switches (Top/Bottom): 85mΩ /60mΩ
  • High Switching Frequency 1MHz Minimizes the External Components
  • Internal Soft-start Limits the Inrush Current
  • 100% Dropout Operation
  • Power Good Indicator
  • Hic-cup for Short Circuit Protection
  • Output Auto Discharge Function
  • RoHS Compliant and Halogen Free
  • Compact Package: DFN2×2-8

 

The SY8883A is a high efficiency 1MHz synchronous step down DC/DC regulator, which is capable of delivering up to 3A output current. It can operate over a wide input voltage range from 2.5V to 5.5V and integrate main switch and synchronous switch with very low RDS(ON) to minimize the conduction loss.

Evaluation Board

  • 20117A-1

    Photo of evaluation board

  • 20117A-2

    Photo of evaluation board

  • 20117A-3

    Photo of evaluation board

EVB_SY20117ADFC

The EVB_SY20117ADFC is intended for evaluating 1MHz, 3A, 5.5V input synchronous Buck regulator. It features enable control.

Design resources

Online Simulation

Technical Documentation

Title Date
Silergy_Catalog_Q2_2026 2026-06-12
DFN2x2-8 2022-05-20