I have built a simple voltage regulator using the 1N53 zener diode ( 3.9v )
The input source is 5v at 500mA, at the output i need 3.9v.
But when i measure the voltage across the diode, it shows same as input voltage (5v).
I tried changing the zener diode, but to no avail.
What could be the issue ?
The input source is 5v at 500mA, at the output i need 3.9v.
But when i measure the voltage across the diode, it shows same as input voltage (5v).
I tried changing the zener diode, but to no avail.
What could be the issue ?