Thursday, November 28, 2013
Switch-Mode DC-DC Converter Circuits.
This circuit is based on mobile phone chargers. These chargers are based
on the Motorola MC34063 switchmode IC. By changing the values of the
feedback resistors (R1 & R2), the output voltage can be varied over a
wide range. Just modify R1 and R2 according to the formula: Vout = 1.25
(1+R2/R1). The values shown give an output of 3V.Electronics Circuit Application
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