ITEM NAME:4A DC to DC Voltage Regulator Adjustable Output Voltage Boost Module SN9F Product Description Description: Features: Using XL6009E1 chipset. Wide input voltage 3-32V, best voltage range is 5-32V. Wide output voltage 5-35V. With built-in 4A MOSFET switch tube, up to 94% work efficiency. 400KHz switch frequency. Specification: Module Type: Boost Current Modulation: Nonsynchronous Input Voltage: 3-32V Output Voltage: 5-35V Output Current: max 4A, 18mA @ no-load Switch Efficiency: