The RICHTEK IC is high quality!  2A Converter Integrated 140m and 84m FETs
 Input Supply Voltage Range : 4.5V to 17V
 Output Voltage Range : 0.765V to 7V
 Advanced Constant On-Time (ACOT®) Control
 Ultrafast Transient Response
 Optimized for Low-ESR Ceramic Output Capacitors
 High Accuracy Feedback Reference Voltage : Typ.1%
 Optional for Operation Modes :
 Automatically Power Saving Mode (PSM) (RT6252A)
 Forced PWM Mode (RT6252B)
 Fixed Switching Frequency : 580kHz
 Enable Control and Internally Fixed Soft-Start
 Safe Start-Up from Pre-biased Output
 Input Under-Voltage Lockout (UVLO)
 Output Under-Voltage Protection (UVP) with Hiccup Mode
 High- /Low-side MOSFET OCP and OTP Function
 RoHS Compliant and Halogen Free