The ME2188A30PG is a DC-DC step-up converter manufactured by Micro One. It has a fixed input voltage of 0.9V and output voltage of 5V, 3V, and 300mA respectively. This converter is RoHS compliant and has a small SOT-89-3 (Surface-Mounted Technology with 89 pins in 3 rows) package size that makes it ideal for space-critical applications. This product also comes with a wide input voltage range, high efficiency, low noise, and over-current protection which ensures reliable performance. It is suitable for applications such as smart phones, automotive electronics, consumer electronics, industrial, and telecommunications.