AN253电源设计基础

AN253电源设计基础

APPLICATION NOTE


POWER SUPPLY DESIGN BASICS
by P. ANTONIAZZI
Aimed at system designers whose interest focusses on other fields, this note reviews the basic power supply
design knowhow assumed in the rest of the book.
In mains-supplied electronic systems the AC input Figure 3 : Full Wave Rectified Output From the
voltage must be converted into a DC voltage with the Transformer/rectifier Combination is fil-
right value and degree of stabilization. tered by C1.
Figures 1 and 2 show the simplest rectifier cir