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                                      SY20417A -

                                      Features

                                      ·       0.7V Minimum Input Voltage

                                      ·       5.5uA Typical Quiescent Current

                                      ·       Input Under Voltage Lockout

                                      ·       Bypass Function During Shutdown

                                      ·       Low RDS(ON) (Main Switch/Synchronous Switch) at Output: 0.5/0.7ohm

                                      ·       Fixed Output Voltage

                                      ﹣   SY20417: Fixed 3.3V

                                      ﹣   SY20417A: Fixed 3.0V

                                      ·       Typical 350mA Peak Current Limit

                                      ·       Compact SOT23-5 Package.

                                      Typical Application

                                      Description

                                      SY20417A is a high efficiency, synchronous, current hysteresis control; step-up boost converter designed for single-cell or dual-cell alkaline, NiMH, or NiCd battery-powered applications. It can convert down to 0.7V input voltage. It adopts NMOS for the main switch and PMOS for the synchronous switch.

                                      Applications

                                      ·       Battery Powered Applications

                                      ·       Consumer And Portable Medical Products

                                      ·       Personal Care Products

                                      ·       Smartphones

                                      ·       White or Status LEDs

                                      湖北十一选五遗漏走势图

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