With the rapid development of high information society, we are ushering in the era of broadband processing a large amount of information through the network. Now mobile phones, home appliances, computers and external devices are all in pursuit of miniaturization and lightweight. It is the high IC design and development technology and the ultra small IC product group that support and realize the ultra miniaturization and lightweight of it machines. As a professional group of Analog IC for power supply, Switzerland uses analog technology to control small current to meet such needs. The goal of our product is [powerfully small]. Ultra small IC is the power source of mobile phones and laptops, and makes our life more colorful. With the core of leading market demand, high product capability, outstanding analog electronic technology, quick customer feedback and low cost and high precision production technology, teswitzerland is developing and providing innovative power IC.