How to Install a Voltage Stabilizer
A voltage stabilizer keeps its output voltage relatively close to a specified level. This component is frequently needed because the voltage that comes from a power supply is typically highly variable. The voltage stabilizers that you'll encounter when building simple electronic circuits will be of the integrated circuit (IC) variety and may be purchased at an electronics parts store. You can install a voltage stabilizer into an existing circuit to prevent a component from receiving more voltage than it can handle.
Things You'll Need
- 7805 voltage regulator
- Battery holder
- Electrical wire
- Light bulb
- 9V battery
Instructions
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1
Identify the leads on a voltage regulator by positioning it so that the printing is right side up. A 7805 voltage regulator has its input on the left lead, its ground on the middle lead and its output on the right lead.
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2
Connect the positive terminal of the battery holder to the positive terminal of the lightbulb with electrical wire. Similarly, connect the negative terminal of the battery holder to the negative terminal of the lightbulb.
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3
Install the voltage regulator into the circuit you created in step 2. Disconnect the battery holder's positive lead from the lightbulb and connect it to the voltage regulator's input. Connect the voltage regulator's output to the lightbulb's positive terminal.
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4
Connect the voltage regulator's ground to the battery holder's negative lead with a length of electrical wire. The battery's negative lead is the common ground for this circuit.
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5
Put the battery in the battery holder. The voltage regulator will receive 9 volts from the battery and output 5 volts to the lightbulb. The 7805 voltage regulator is a passive regulator, meaning that it simply dumps the excess voltage as heat.
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