EEVblog #1031 - $25 DPS3003 PSU Module Characterisationeevblog (37) in eevblog • 7 years ago Characterising the performance and efficiency of the $25 DPS3003 30V 3A lab power supply module from RDtech. Includes a how-to on measuring DC-DC converter efficiency graphs, with module power loss on the secondary Y axis. XL7005 datasheet Forum HERE Podcast: Download eevblog video engineering technology