A: 5V to 12V 1A booster chip: SX1318 is a wide voltage output, DC-DC converter. The input voltage range is 5V to 32V, the output voltage range is 5V to 42V adjustable, the internal MOSFET output switching current can be up to 2A, 400KHz switching frequency, built-in soft start function, overvoltage protection, short circuit protection, using standard SOP-8 lead-free package. SX1318 is widely used in switching power adapters, handheld digital products, communication equipment, MP4\/MP3, electronic dictionaries, digital cameras, automotive electronics, toys, chargers, wireless meter reading, high voltage alarm, car atomizer, beauty medical atomizer and many other fields.