P7219-ND is an electronic part manufactured by Panasonic. It is a DC-DC Buck Regulator, 3A, Step-Down, SIP-7. It has an input voltage range of 4.5V to 28V, an output voltage of 3.3V and an output current of 3A. It is a surface mountable through-hole device and features an on-board control IC and an external circuit for power output management. It also features an internal oscillator, over-voltage protection, over-current protection, short-circuit protection, and soft-start protection. It is RoHS compliant and has a maximum junction temperature of 150°C.