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SY21034ADC (SY8511ADC)

Production
High Efficiency, 200kHz, 100V Input, 0.6A Asynchronous Step Down Regulator
Datasheet
SY21034ADC High Efficiency, 200kHz, 100V Input, 0.6A Asynchronous Step Down Regulator Datasheet
Part number SY21034ADC
Channel(#) 1
Vin (min) (V) 4.5
Vin (max) (V) 100
Switching frequency (min)(kHz) 200
Switching frequency (max)(kHz) 200
Vout (min) (V) 0.6
Vout (max) (V) 12
Iout (max) (A) 0.6
Vout2 (min)(V)
Vout2 (max )(V)
Iout2 (max)(A)
Vref accuracy (±%) 1
Vout accuracy(±%)
Control mode COT OFF+Ipeak
Duty cycle (max)(%) 80
Operation mode Auto PFM
Iq (typ) (uA) 100
Features Asynchronous
Package TSOT23-6
Operating temperature range(°C) -40 to 125
Functional safety category

 

  • Low RDS(ON) for Internal N-channel Power FET:1Ω
  • 4.5-100V Input Voltage Range
  • 0.6A Output Current Capability
  • 200kHz Pseudo Constant Switching Frequency
  • Internal Soft-start Limits the Inrush Current
  • Hic-cup Mode Output Short Circuit Protection
  • EN ON/OFF Control with Accurate Threshold
  • Cycle by Cycle Peak Current Limit
  • 0.6V±1 % Reference Voltage
  • TSOT23-6  Package

 

Evaluation Board

  • 21034-1

    Photo of evaluation board

  • 21034-2

    Photo of evaluation board

  • 21034-3

    Photo of evaluation board

EVB_SY21034ADC

The EVB_SY21034ADC is intended for evaluating fast response, 0.6A, 100V input, 200kHz asynchronous Buck regulator.

Design resources

Online Simulation

Technical Documentation

Title Date
Silergy_Catalog_Q2_2026 2026-06-12
TSOT23-6 2022-05-20