The RICHTEK IC is high quality!  Input Supply Voltage Range : 4.5V to 18V
 Output Current : 5A
 Advanced Constant On-Time (ACOTTM) Control for Ultrafast Transient Response
 Steady Switching Frequency : 500kHz Pulse-Skipping Mode (PSM) at Light Load(RT6255A)
 Optimized for Low-ESR Ceramic Output Capacitors
 Programmable Output Voltage : 0.6V to 5V
 Internal 45mΩ Switch and 23mΩ Synchronous Rectifier
 Cycle-by-Cycle Current Limit Protection
 Internal Soft-Start (Typ 1.5ms) or Externally
Adjustable, Pre-biased Compatible Soft-Start (Only for Option with SS Pin)
 Power Good Indicator (90%) (Only for Option with PGOOD Pin)
 Output Under-Voltage Protection (UVP)
 Over-Temperature Protection (OTP)
 Input Under-Voltage Lockout (UVLO)
 Available in TSOT-23-6 (FC) and TSOT-23-8 (FC)
Packages