SY26103RHQ-Products-Silergy Corp

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SY26103RHQ (SQ29004RHQ)

Production
High Efficiency, 2.0MHz, 4A Synchronous Step Down Regulator
Datasheet
SY26103RHQ High Efficiency, 2.0MHz, 4A Synchronous Step Down Regulator Datasheet
    Part numberSY26103RHQ
    Channel(#)1
    Vin (min) (V)5.2
    Vin (max) (V)18
    Switching frequency (min)(kHz)2000
    Switching frequency (max)(kHz)2000
    Vout (min) (V)0.6
    Vout (max) (V)5.5
    Iout (max) (A)4
    Vout2 (min)(V)
    Vout2 (max )(V)
    Iout2 (max)(A)
    Vref accuracy (±%)1.5
    Vout accuracy(±%)
    Control modeCOT+Ripple
    Duty cycle (max)(%)75
    Operation modeAuto PFM
    Iq (typ) (uA)75
    FeaturesPower good, Soft start
    PackageQFN2.5×2.5-16
    Operating temperature range(°C)-40 to 125
    Functional safety category
    • 5.2V to 18V Input Voltage Range
    • Low RDS(ON) for Internal Switches (Top/Bottom): 50mΩ/25mΩ
    • High Switching Frequency 2.0MHz Minimizes the External Components
    • 75μA Operating Quiescent Current
    • Power Good Indicator
    • Power Save Mode for Light Load Efficiency
    • Reliable Protection Mode: Auto-recovery Mode for UVLO, UVP, OTP
    • Cycle-by-cycle Valley Current Limit and Peak Current Limit
    • Programmable Soft-start
    • RoHS Compliant and Halogen Free
    • Compact Package: QFN2.5x2.5-16

    The SY26103 is a high efficiency 2.0MHz synchronous step down DC/DC regulator capable of delivering up to 4A output currents. It can operate over a wide input voltage range from 5.2V to 18V and integrate main switch and synchronous switch with very low RDS (ON) to minimize the conduction loss.

    Evaluation Board

    • SY26103RHQ-3

      Photo of evaluation board

    • SY26103RHQ-1

      Photo of evaluation board

    • SY26103RHQ-2

      Photo of evaluation board

    EVB_SY26103RHQ

    The EVB_SY26103RHQ is intended for evaluating 2.0MHz, 4A, 18V synchronous Buck regulator.

    Technical Documentation