ITEM NAME:1x DC-DC Adjustable Power Supply Voltage Step Up 1.5V -35V XL6009 Booster K6W8. Description&Preview.Output range: 5V ~ 35V. The DSN6009 is a high-performance step-up (BOOST) module with 4A switching current. The module uses the second generation of high-frequency switching technology XL6009E1 as the core chip, performance far more than the first generation of technology LM2577, the performance is more excellent.