About product and suppliers:
            2,753 buck converter products are offered for sale by suppliers on Alibaba.com, of which inverters & converters accounts for 46%, integrated circuits accounts for 6%, and other electronic components accounts for 3%. 

A wide variety of buck converter options are available to you, 

There are 1,927 suppliers who sells buck converter on Alibaba.com, mainly located in Asia. The top countries of suppliers are China, Taiwan, China, and Thailand, from which the percentage of buck converter supply is 99%, 1%, and 1% respectively.