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SY20489ADC (SY7069ADC)

Production
5.5V Maximum Output, 3A Valley Current, 1MHz Sync Boost
Datasheet
SY20489ADC 5.5V Maximum Output, 3A Valley Current, 1MHz Sync Boost Datasheet
Part number SY20489ADC
Vin (min) (V) 2.5
Vin (max) (V) 5.5
Current limit (A) 3
Switching frequency (min)(kHz) 1000
Switching frequency (max)(kHz) 1000
Vout (min) (V) 2.5
Vout (max) (V) 5.5
Vref accuracy (±%) 1.5
Vout accuracy(±%)
Duty cycle (max)(%) 90
Iq (typ) (uA) 8
Features Bypass mode
Package TSOT23-6
Operating temperature range(°C) -40 to 125
Functional safety category

 

  • 2.5V Minimum Input Voltage
  • Adjustable Output Voltage from 2.5V to 5.5V
  • Min 3A Valley Current Limit
  • Capable for Seamless Transition between Boost and Bypass Mode
  • Load Disconnect during Shutdown
  • Low RDS(ON) (Main Switch/Synchronous Switch) at 5.0V Output: 50mΩ/90mΩ
  • Output OVP Protection
  • Compact Package TSOT23-6

 

Evaluation Board

  • SY20489ADC_1-b

    Photo of evaluation board

  • SY20489ADC_1-a

    Photo of evaluation board

  • SY20489ADC_1-c

    Photo of evaluation board

EVB_SY20489ADC_1

The EVB_SY20489ADC_1 is intended for evaluating a high efficiency, synchronous, step-up boost converter SY20489. It can disconnect the output from input during the shutdown mode. When input voltage exceeds the regulated output voltage, SY20489 enters bypass mode automatically.

Design resources

Online Simulation

Technical Documentation

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

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