The RICHTEK IC is high quality!  Fast Transient Response
 Steady 650kHz Switching Frequency
 Enhanced Efficiency at Light Load (RT2853A)
 Advanced Constant On-Time (ACOT® ) Control
 Optimized for Ceramic Output Capacitors
 4.5V to 18V Input Voltage Range
 Internal 110mΩ Switch and 30mΩ Synchronous Rectifier
 0.765V to 7V Adjustable Output Voltage
 Externally-adjustable, Pre-biased Compatible SoftStart
 Cycle-by-Cycle Current Limit
 Optional Output Discharge Function
 Output Over- and Under-voltage Shut-down
Latched (RT2853ALGQW/RT2853BLGQW Only)
With Hiccup Mode (RT2853AHGQW/RT2853BHGQW Only)
Applications
 Industrial and Commercial Low Power Systems
 Computer Peripherals
 LCD Monitors and TVs
 Point of Load Regulation for High-Performance DSPs,FPGAs, and ASICs