The R-7xxxP_D Series is 2,3,4 AMP SIP12 Vertical & Horizontal INNOLINE DC/DC-Converter. It features non-isolated, synchronous rectification design, adjustable output voltage, 2,3,4AMP adjustable positive step down integrated switching regulator, overload protection(125% full load typical), remote ON/OFF control(Ground Off), wide input range, continuous short circuit protection(Very low short current Iin<50mA), input voltage range 4.5V~28V, efficiency up to 97% etc.