Tsukure Mad Labs 12V to 5V Power Convertor

This is a circuit of a 12V to 5V converter using a 7805 regulated IC. In the previous article we have discussed about the circuit of 12V to 9V converterwhich can be used to convert any source of 12V DC to 9V DC using 7809 IC. The circuit mentioned here is also a step down DC to DC converter. Using an LM7805 IC which can provide a fixed 5 volt output from any 12V DC source. The circuit is ideal to use with a 12V car battery to step down the voltage to 5 volt DC. LM7805 is an IC of LM78xx series. It has many built in features like thermal shutdown, short circuit protection and safe operating area protection. These type of ICs are commonly used in regulated power supply circuits.

Components used in this module...

Find out more about the components used in this STEM Module.

Let's Get Started!

Below you will find a list of bits to gather before hand, followed by a detailed schematic. Using a breadboard lay out the components and connect them together as shown. Alternatively you can purchase this module from our shop and simply solder the components in the places indicated on the quality assured printed circuit boards provided.


What You Need...


1 10uF Capacitor (Polarized)
1 1uF Capacitor (Polarized)
2 PCB Mount 2-Pin Screw Terminal Block Connector (Other)
1 3mm Red (Clear) LED
1 560R Resistor (0.25 Watt)
1 LM7805 Voltage Regulator

NB: Any resistor colour codes specified relate to 5 band resistor codes, the 5th band has not been shown intentionally. The 5th band indicates the resistor tolerence, we use only the highest tolerence resistors in our products.


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