RP506x Series 2 A PWM/VFM Step-down DC/DC Converte.
RICOH
RP506K071D - 2A PWM/VFM Step-down DC/DC Converter
RP506x Series 2 A PWM/VFM Step-down DC/DC Converter with Synchronous Rectifier NO.EA-296-130925 OUTLINE The RP506x are low supply current CMOS-based P.