SY20508DGC - 2.3V Minimum Input and 5.5V Maximum Output 3A Peak Current Synchronous Boost with Output Disconnect


  • 2.3-5.0V Input Voltage Range
  • Adjustable Output Voltage from 2.5V to 5.5V
  • Pseudo-constant Frequency: 1MHz
  • 3A Peak Current Limit
  • Input Under Voltage Lockout
  • Load Disconnect During Shutdown
  • Output Over Voltage Protection
  • Low RDS(ON) (Main Switch/Synchronous Switch) at 5.0V Output: 70/85mΩ
  • Compact Package: DFN2×3-8

Typical Application


SY20508 is a high efficiency synchronous Boost regulator that converts up to 5.5V output voltage. It adopts NMOS for the main switch and PMOS for the synchronous switch. It can disconnect the output from input during the shutdown mode.


  • All Single Cell Li or Dual Cell Battery Operated Products as MP-3 Player, PDAs, and Other Portable Equipment.