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                                      SY20623 - High Efficiency 3MHz, 3A Inductor Built-in Synchronous Buck

                                      Features

                                      ·           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

                                      Description

                                      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.

                                      Applications

                                      ·           Mobile Phone, Smart Phone

                                      ·           Bluetooth Headsets

                                      ·           Wimax PDA, MID, UMPC

                                      ·           Portable Game Console

                                      ·           Digital Camera, Camcorder

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