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SY20749VLQ (SQ24390VLQ)

Production
Negative Charge Pump With Integrated Adjustable LDO
Datasheet
SY20749VLQ Negative Charge Pump With Integrated Adjustable LDO Datasheet
Part number SY20749VLQ
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
Features OCP,OTP
Package QFN1.4×1.8-10
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

Title Date
Silergy_Catalog_Q2_2026 2026-06-12

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