The LM2596 is a DC-DC Step Down or Buck Power Supply Module with Digital Voltage Display, the accuracy is adjustable function, can be aimed at your multimeter adjustable accurate. Press the right key to let the display show the input or output voltage.
The BP2326A is a high precision non-isolated buck driver with active PFC, specially designed for universal input offline constant current LED lighting. The driver with on-chip PFC circuit achieves high power factor and low THD.