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SY21019ABC (SY8290ABC)

Production
High Efficiency, 2MHz, 40V Input, 300mA Asynchronous Step Down Regulator
Datasheet
SY21019ABC High Efficiency, 2MHz, 40V Input, 300mA Asynchronous Step Down Regulator Datasheet
Part number SY21019ABC
Channel(#) 1
Vin (min) (V) 5
Vin (max) (V) 40
Switching frequency (min)(kHz) 2000
Switching frequency (max)(kHz) 2000
Vout (min) (V) 0.6
Vout (max) (V) 12
Iout (max) (A) 0.3
Vout2 (min)(V)
Vout2 (max )(V)
Iout2 (max)(A)
Vref accuracy (±%) 2
Vout accuracy(±%)
Control mode COT OFF+Ipeak
Duty cycle (max)(%) 80
Operation mode Auto PFM
Iq (typ) (uA) 160
Features Asynchronous
Package SOT23-6
Operating temperature range(°C) -40 to 125
Functional safety category
  •      5-40V Input Voltage Range
  •      2MHz Switching Frequency
  •      Adaptive Constant OFF Time Control
  •      Internal Soft-start Limits the Inrush Current
  •      2% 0.6V Reference
  •      RoHS Compliant and Halogen Free
  •      Compact Package: SOT23-6

Evaluation Board

  • 21019-1

    Photo of evaluation board

  • 21019-2

    Photo of evaluation board

  • 21019-3

    Photo of evaluation board

EVB_SY21019ABC

The EVB_SY21019ABC is intended for evaluating 300mA output current, 40V input, asynchronous stepdown DC-DC regulator.

Technical Documentation

Title Date
Silergy_Catalog_Q2_2026 2026-06-12