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SY20268QMC (SY8868QMC)

Production
High Efficiency 1MHz, 6A Synchronous Step Down Regulator
Datasheet
SY20268QMC High Efficiency 1MHz, 6A Synchronous Step Down Regulator Datasheet
Part number SY20268QMC
Channel(#) 1
Vin (min) (V) 2.7
Vin (max) (V) 5.5
Switching frequency (min)(kHz) 1000
Switching frequency (max)(kHz) 1000
Vout (min) (V) 0.6
Vout (max) (V) 4.4
Iout (max) (A) 6
Vout2 (min)(V)
Vout2 (max )(V)
Iout2 (max)(A)
Vref accuracy (±%) 1
Vout accuracy(±%)
Control mode COT+Ivalley
Duty cycle (max)(%) 80
Operation mode Auto PFM
Iq (typ) (uA) 50
Features Power good, Output discharge
Package QFN2×2-10
Operating temperature range(°C) -40 to 125
Functional safety category
  • Low RDS(ON) for Internal Switches (Top/Bottom): 35/15mΩ
  • 2.7-5.5V Input Voltage Range
  • Pseudo-constant Frequency: 1MHz
  • External Adjustable Soft-start Limits the Inrush Current
  • Power Good Indicator
  • Output Auto Discharge at Shutdown
  • Latch off Protection under Short Circuit and OVP Conditions
  • RoHS Compliant and Halogen Free
  • Compact Package: QFN2x2-10
  • Built-in Over-temperature Protection

 The SY20268 is a high efficiency 1MHz synchronous step-down DC/DC regulator capable of delivering up to 6A output current.

The SY20268 operates over a wide input voltage range from 2.7V to 5.5V and integrates main switch and synchronous switch with very low RDS(ON) to minimize the conduction loss.

Evaluation Board

  • 20268-1

    Photo of evaluation board

  • 20268-2

    Photo of evaluation board

  • 20268-3

    Photo of evaluation board

  • 20268-4

    Photo of evaluation board

  • 20268-5

    Photo of evaluation board

EVB_SY20268QMC

The EVB_SY20268QMC is intended for evaluating 5.5V input, 6A, 1 MHz synchronous step-down DC/DC regulator.

Technical Documentation

Title Date
Silergy_Catalog_Q2_2026 2026-06-12