Continental Device India Limited. Data Sheet. Page 1 of 2. Continental Device India Limited. An ISO/TS , ISO and ISO Certified Company. CT Datasheet, CT PDF, CT Data sheet, CT manual, CT pdf, CT, datenblatt, Electronics CT, alldatasheet, free, datasheet. MCCT datasheet, MCCT pdf, MCCT data sheet, datasheet, data sheet, pdf, Fairchild Semiconductor, 3-Terminal 1A Positive Voltage Regulator.
|Country:||Central African Republic|
|Published (Last):||2 December 2007|
|PDF File Size:||14.43 Mb|
|ePub File Size:||15.1 Mb|
|Price:||Free* [*Free Regsitration Required]|
Before we can hook up datashheet circuit, let’s first go over the pinout diagram of the voltage regulator, which is vital for hooking up the circuit.
In this article, we go over how to connect a voltage regulator to a circuit to get a specific DC output regulated voltage. Without ground, the circuit couldn’t be complete because the voltage wouldn’t have electric potential and 709ct circuit wouldn’t have a return path.
But if you’re going to have a varying load, a potentiometer, for instance, on the output, it is well advised to add an electrolytic capacitor in parallel to the ceramic capacitor.
Therefore, it has a smoothing effect and even things out. If you don’t have all the parts, don’t feel bad. After it comes out of the regulator, the other capacitor, the 0. The regulator regulates this voltage datzsheet to 5 volts.
Sign up for Our Newsletter Dqtasheet Keep in mind that the design of a voltage regulator depends on the voltage regulator being used and the intended use of a circuit.
Pin 2 is Ground. Also, design changes when dealing with the intended use of the circuit. The first capacitor, the ceramic 0.
This produces a voltage of 9 volts. When the load of a circuit is stable and unchanging, as in the example above, it is usually not necessary to add a large electrolytic capacitor on the output to act as a smoothing capacitor. Now this DC voltage, clean and crisp, is ready to power whatever you want it to, in this case, the load is a resistor and a LED.
The second capacitor, the 0.
Let’s view the complete circuit now and explanations will ensue. Depending on the voltage regulator in use, we can get a regulated positive or negative voltage, at whichever voltage we want.
How to Connect a Voltage Regulator in a Circuit In this article, we go over how to connect a voltage regulator to a circuit to get a specific DC output regulated voltage. In this article, we use a positive voltage regulator, which outputs 5V, the LM regulator. It shorts this noise to ground and allows the pure DC signal into the regulator.
In this case, we are using a LM, which outputs 5 volts. Pin 1 is the Input Pin. Okay, so let’s recap on the circuit. This capacitor is there again to filter out any noise or high-frequency ac signals that may be on the DC voltage line. A voltage regulator is a 3-terminal device.
This capacitor is there to filter out any noise coming from the voltage source the battery. 78809ct will be on this for more advanced projects, but this page is a good start for those starting off in connecting voltage regulators for basic circuits.
It shorts the AC signal of the voltage signal which is noise on the voltage signal to ground and only the DC portion of the signal goes into the regulator. However, for experimental purposes and ease of getting parts, we will use a 9-volt battery as our input voltage.
That’s why it’s a good idea to get into hooking up a datasheey regulator properly from the sart.
At the end of this experiment, when our circuit is hooked up, we’re going to read out the voltage with a multimeter and it should give out close to 7809c volts. This is the pin that gives out the regulated voltage, which, in this case, is 5 volts. It hooks up to the ground in our circuit. The Datasheet specifies which value of capacitors to use, so it’s a good idea to learn from the people who manufacturered the chip.
Always consult the Manufacturer’s Datasheet datashee the voltage regulator in use for a circuit to see how to hook it up with the necessary required external components. Okay, now let’s build the circuit. Usually the only external components necessary are just capacitors, though heat sinks may also need to be added when heat dissipation is necessary. We don’t want any ac noise ripple imposed on the DC line voltage.
The first capacitor, the 0.
This electrolytic capacitor acts as a smoothing capacitor, when load resistance changes cause abrupt voltage spikes and drops, in a circuit. Essentially, it acts as a load balancer.
This capacitor charges up with voltage when the circuit has excess spikes in current and discharges to supply voltage when the circuit is low on current. You can buy them at anytime and come back to this page and do the experiment anytime. For a circuit like this, where we’re lighting an LED, it isn’t exactly crucial to have a pure DC signal, but in other applications, such as when outputting voltage to power a logic chip, which needs a precise voltage fed into it in order to give the correct logic output, it is crucial.
The LM78XX voltage regulators are a popular kind for regulating catasheet outputting positive voltage, while the LM79XX are a popular series of regulators for negative voltage. The voltage regulator works best and will be most efficient when a clean DC signal is fed into it. Pin 3 is the Output Pin. The circuit begins at the 9-volt battery. The capacitor, in essence, acts as a bypass capacitor.
In order for the regulator to output 5 volts, the voltage entering has to be at least 2 volts higher, so it has to be at least 7 volts.