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SY20018IAAC (SY8088IAAC)

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High Efficiency, 1.5MHz, 1A Synchronous Step Down Regulator
Datasheet
SY20018IAAC High Efficiency, 1.5MHz, 1A Synchronous Step Down Regulator Datasheet
Part number SY20018IAAC
Channel(#) 1
Vin (min) (V) 2.5
Vin (max) (V) 5.5
Switching frequency (min)(kHz)
Switching frequency (max)(kHz) 1500
Vout (min) (V) 0.6
Vout (max) (V) 5
Iout (max) (A) 1
Vout2 (min)(V)
Vout2 (max )(V)
Iout2 (max)(A)
Vref accuracy (±%) 1.5
Vout accuracy(±%) 2
Control mode COT OFF+lpeak
Duty cycle (max)(%) 100%
Operation mode Auto PFM
Iq (typ) (uA) 50
Features Auto-Discharge
Package SOT23-5
Operating temperature range(°C) -40°C to 125°C
Functional safety category

·           2.5V to 5.5V Input Voltage Range

·           50μA Low Quiescent Current

·           Low RDS(ON) for Internal Switches (Top/Bottom) 260mΩ /160mΩ

·           High Switching Frequency 1.5MHz Minimizes the External Components

·           Internal Soft-start Limits the Inrush Current

·           100% Dropout Operation

·           Reliable Short Circuit Protection

·           Output Auto Discharge Function

·           RoHS Compliant and Halogen Free

·           Compact Package: SOT23-5

SY8088I is a high efficiency 1.5MHz synchronous step down DC/DC regulator capable of delivering up to 1A output current. It can operate over a wide input voltage range from 2.5V to 5.5V and integrates main switch and synchronous switch with very low RDS(ON) to minimize the conduction loss. 

Evaluation Board

  • 20018I-1

    Photo of evaluation board

  • 20018I-2

    Photo of evaluation board

  • 20018I-3

    Photo of evaluation board

EVB_SY20018IAAC

The EVB_SY20018IAAC is intended for evaluating 1.5MHz 1A, 2.5~5.5V input, 1.8V output synchronous Buck regulator. It features Enable control.

Technical Documentation

Title Date
Silergy_Catalog_Q2_2026 2026-06-12