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Voltage divider question

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curry87

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A few questions:


What formulas do i use to do the following

Calculate required resistor values R1,R2 to drop vin voltage by x amount to a required vout ?

Recalculate resistor values R1,R2 to supply more x current to Rload whilst having a stable vout voltage ?
 
Try this formula.

**broken link removed**
 
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