Archive for May, 2010

Brazil UC Mark approval

(1). Introduction • According to the requirements from Inmetro (Brazilian Accreditation Body), products which need to comply with the Brazilian mandatory certification requirements have to carry the mark of conformity. • For voluntary and mandatory product certification, TÜV Rheinland works together with UCIEE (União Certificadora), a Brazilian OCP (Product Certification Body) which issues the UC [...]

Linear VS Switching Power Supplies

Historically, the linear regulator was the basic technique of producing a regulated output voltage. It controls by cutting a higher input voltage down to a lower output voltage via linearly controlling the conductivity of a series pass power device in response to changes in its load. This results in a large voltage being placed across [...]