SY20417AAAC -


·       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


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.


·       Battery Powered Applications

·       Consumer And Portable Medical Products

·       Personal Care Products

·       Smartphones

·       White or Status LEDs