“SE SEUS PROJETOS FOREM PARA UM ANO,SEMEIE O GRÂO.SE FOREM PARA DEZ ANOS,PLANTE UMA ÁRVORE.SE FOREM PARA CEM ANOS,EDUQUE O POVO.”

“Sixty years ago I knew everything; now I know nothing; education is a progressive discovery of our own ignorance. Will Durant”

OBRIGADO DEUS PELA VIDA,PROTEGENOS E GUARDANOS DE TODO MAL


AUTOR DO BLOG ENG. ARMANDO CAVERO MIRANDA SAO PAULO BRASIL

sábado, 6 de fevereiro de 2010

Constructing Your Power Supply- Layout Considerations





Robert Kollman
ABSTRACT
Laying out a power supply design is crucial for its proper operation; there are many issues to consider
when translating a schematic into a physical product. This topic addresses methods to keep circuit
parasitic components from degrading the operation of your designs. Techniques to minimize the impact
of parasitic inductance and capacitance of filter components and printed wire board (PWB) traces is
discussed, together with a description of the impact that PWB trace resistance can have on power
supply regulation and current capacity. A general overview of thermal design is also included as well as
sample temperature rise calculations in a natural and forced-air environment. Finally, some practical
examples of power stage and control device layouts are reviewed.

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