SY20235QUC-Products-Silergy Corp

HomeProductsDC-DCDC-DC ConvertersBuck

SY20235QUC (SY8825QUC)

Production
Ultra Low Quiescent Current 2.0MHz, 5A Synchronous Step Down Regulator
Datasheet
SY20235QUC Ultra Low Quiescent Current 2.0MHz, 5A Synchronous Step Down Regulator Datasheet
    Part numberSY20235QUC
    Channel(#)1
    Vin (min) (V)2.5
    Vin (max) (V)5.5
    Switching frequency (min)(kHz)2000
    Switching frequency (max)(kHz)2000
    Vout (min) (V)0.6
    Vout (max) (V)5
    Iout (max) (A)5
    Vout2 (min)(V)
    Vout2 (max )(V)
    Iout2 (max)(A)
    Vref accuracy (±%)1.5
    Vout accuracy(±%)
    Control modeClock+Ipeak
    Duty cycle (max)(%)100
    Operation modeAuto PFM
    Iq (typ) (uA)18
    FeaturesPower good, Output discharge
    PackageQFN2×1.5-8
    Operating temperature range(°C)-40 to 125
    Functional safety category
    •      Input Voltage Range: 2.5V to 5.5V
    •      2.0 MHz Switching Frequency
    •      5A Maximum Output Current
    •      Peak Current Mode Control for the Fast Transient Speed
    •      100% Drop Out Function
    •      Typical 18µA Quiescent Current
    •      Low RDS(ON) for Internal Switches (PFET/NFET): 55mΩ/35mΩ
    •      Hic-cup Mode Protection for Hard Short Condition
    •      RoHS Compliant and Halogen Free
    •      Compact Package: QFN2x1.5-8

    The SY20235 is a high efficiency ultra low quiescent current, 2.0MHz synchronous step-down DC/DC regulator capable of delivering up to 5A output current.  

    The SY20235 operates over a wide input voltage range from 2.5V to 5.5V and integrates main switch and synchronous switch with very low RDS (ON) to minimize the conduction loss.

    Evaluation Board

    • 20235-1

      Photo of evaluation board

    • 20235-2

      Photo of evaluation board

    • 20235-3

      Photo of evaluation board

    EVB_SY20235QUC

    The EVB_SY20235QUC is to facilitate the evaluation of SY20235QUC, 5.5V, 5A, 2MHz synchronous Buck regulator.

    Technical Documentation