SY20623QNC - High Efficiency 3MHz, 3A Inductor Built-in Synchronous Buck


·           Low RDS(ON) for Internal Switches (Top/Bottom): 35/15 mΩ

·           2.75-5.5V Input Voltage Range

·           3 Mhz Switching Frequency Minimizes the External Components

·           Internal Softstart Limits the Inrush Current

·           3A Continuous Output Current Capability

·           Shutdown Mode Draws<0.1ua Supply Current

·           100% Dropout Operation

·           Power Good Indicator

·           OCP/UVLO/OTP Protections

·           Rohs Compliant and Halogen Free

·           Compact Package: QFN3x3-10

Typical Application


SY20623 is a 3MHz, 3A synchronous step-down converter which integrates an inductor and a control IC in one tiny package (3.0mm×3.0mm, H=1.0mm). It operates over a wide input voltage range from 2.75V to 5.5V. It integrates main switch and synchronous switch with very low RDS(ON) to minimize the conduction loss.


·           Mobile Phone, Smart Phone

·           Bluetooth Headsets

·           Wimax PDA, MID, UMPC

·           Portable Game Console

·           Digital Camera, Camcorder

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