SY20749VLQ-Products-Silergy Corp

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SY20749VLQ (SQ24390VLQ)

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Negative Charge Pump With Integrated Adjustable LDO
Datasheet
SY20749VLQ Negative Charge Pump With Integrated Adjustable LDO Datasheet
    Part numberSY20749VLQ
    Vin (min) (V)2.3
    Vin (max) (V)5.5
    Current limit (A)1.6A Charge Pump Current Limit
    Switching frequency (min)(kHz)500
    Switching frequency (max)(kHz)500
    Vout (min) (V)-Vin
    Vout (max) (V)0
    Vref accuracy (±%)
    Vout accuracy(±%)2
    Iq (typ) (uA)1200
    FeaturesOCP,OTP
    PackageQFN1.4×1.8-10
    Operating temperature range(°C)-40 to 125
    Functional safety category
    • Wide Input Voltage Range: 2.3V to 5.5V
    • Low Quiescent Current: 1.2mA
    • Output Current: Up to 200mA
    • No Inrush Current During Startup:
    • 1.6A Charge Pump Current Limit (Typ.)
    • Overcurrent and Short-Circuit Protection
    • Dual Output:

              o -1× Charge Pump

              o Regulated Output Between 0V and -VIN

    • Compact Package: QFN 1.4mm×1.8mm

    Evaluation Board

    • 20749-1

      Photo of evaluation board

    • 20749-2

      Photo of evaluation board

    • 20749-3

      Photo of evaluation board

    EVB_SY20749VLQ

    The EVB_SY20749VLQ is intended for evaluating the Negative Charge Pump and Adjustable Regulator SY20749VLQ.

    Technical Documentation

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