In2Dusk
Junior Member level 3
I have PIC18F45K20 which idealy needs 3.3V and i need to power it by 4x 1.5V alkaline battery that's 6V input voltage.
I used zener voltage regulator as shown here:
![390px-Zener_diode_voltage_regulator_svg.png 390px-Zener_diode_voltage_regulator_svg.png](https://www.edaboard.com/data/attachments/8/8344-b9c8291e723fa4671dc38b26e34b33f1.jpg)
Vz = 3.3V and I used 25 Ohm resistor in serie with diode.
And i get output voltage of 4.3V!!!
How is it possible? Did i make a mstake somewhere?
I used zener voltage regulator as shown here:
![390px-Zener_diode_voltage_regulator_svg.png 390px-Zener_diode_voltage_regulator_svg.png](https://www.edaboard.com/data/attachments/8/8344-b9c8291e723fa4671dc38b26e34b33f1.jpg)
Vz = 3.3V and I used 25 Ohm resistor in serie with diode.
And i get output voltage of 4.3V!!!
How is it possible? Did i make a mstake somewhere?