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SY20124LQWC (SY8843LQWC)

Production
High Efficiency 1.5MHz, 3A, Ultra Fast Dynamic Response Synchronous Step Down Regulator
Datasheet
SY20124LQWC High Efficiency 1.5MHz, 3A, Ultra Fast Dynamic Response Synchronous Step Down Regulator Datasheet
Part number SY20124LQWC
Channel(#) 1
Vin (min) (V) 2.7
Vin (max) (V) 5.5
Switching frequency (min)(kHz) 1500
Switching frequency (max)(kHz) 1500
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
Vout accuracy(±%)
Control mode COT+Ripple
Duty cycle (max)(%) 100
Operation mode Auto PFM
Iq (typ) (uA) 65
Features Power good,Output discharge, Latch-off SCP
Package QFN1.5×1.5-7
Operating temperature range(°C) -40 to 125
Functional safety category
  • 2.7~5.5V Input Voltage Range
  • 65µA Low Quiescent Current
  • Ultra Fast Load Transient Speed
  • Low RDS(ON) for Internal Switches (Top/Bottom) 85mΩ /50mΩ
  • High Switching Frequency 1.5MHz Minimizes the External Components
  • Internal Soft-start Limits the Inrush Current
  • Reliable Short Circuit Protection
  • Latch Off Protection
  • Reliable OVP and OTP Protection
  • Output Auto Discharge Function
  • RoHS Compliant and Halogen Free
  • Compact Package: QFN1.5×1.5-7

 

 

 

Evaluation Board

  • 20124-1

    Photo of evaluation board

  • 20124-2

    Photo of evaluation board

  • 20124-3

    Photo of evaluation board

EVB_SY20124LQWC

The EVB_SY20124LQWC is intended for evaluating 1.5MHz, 3A, 2.7~5.5V input, 1.8V output synchronous Buck regulator. It features Enable control.

Technical Documentation

Title Date
Silergy_Catalog_Q2_2026 2026-06-12