This 2 SMPS adapter especially for the battery model used in Notebook known brands as well as OEM products, there are NB-65B19 19V 3.42 A Output power SMPS control lead generation trend on the floor LD7575 PWM integrated schema... Electronics Projects, SMPS Adapter NB-NB 65b19-90B19 Schematics "power electronic projects, smps circuits, smps projects, smps schematic, " Date 2019/08/04