5PCS PFM Control DC-DC Converter Step Up Boost Module
Small PFM control DC/DC boost controller chip 2. Enter any DC voltage of 0.9V~5V, can be stable output 5V DC voltage, output current of 500~600 MA, for the mobile phone, camera, single-chip, digital products supply, Stable output 5V DC voltage. 3. USB female, can direct power to the USB interface device with USB female versatile 4.