EH11A VOLTAGE REGULATOR PDF

  • June 18, 2019

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If the regulator isn’t receiving sufficient voltage, of course it will not be able to output its rated regulated voltage.

EH11A View Datasheet(PDF) – Diodes Incorporated.

How To Test a Voltage Regulator A voltage regulator is a device that takes in an input voltage and regulates it down to the voltage that it is rated for. The LM is a voltage regulator is rated to output 5 volts, so we should read this output.

If the regulator is rated to output 5 volts, then we should read a voltage very near 5 volts coming out from its output.

Before we get into how to read the voltages with a multimeter, first we’ll go over the pinout of a voltage regulator, so that you’ll know which pins to read voltages from. Being that a voltage regulator passes out a regulated output voltage, the only test we must do to check a voltage regulator is a voltage test.

eh11a regulator datasheet & applicatoin notes – Datasheet Archive

The input voltage that needs to be regulated down goes into pin 1 Input. Below is the pinout of the LM voltage regulator: An adjustable regulator can be tested in the rgeulator way. If we read at the input pin the voltage which we feed into the regulator and read at the output pin the output voltage which the regulator is rated for, then we know that the voltage regulator is good. A voltage regylator is a device that eh11z in an input voltage and regulates it down to the voltage that it is rated for.

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We take the probes of the multimeter and place the positive probe normally the red probe on the input pin of the voltage regulator and the negative probe normally black probe on the ground pin. If we don’t read the correct voltages, then more than likely it is a defective regulator. If the multimeter does read a voltage near its rated output voltage, the voltage regulator is functional and is good. This is normally volts higher. All a user must do is calculate the output that the regulator should output and voltagee the same test as is shown above to see whether it is good or defective.

If we read a higher voltage, then the voltage regulator is receiving sufficient voltage to regulate down. We should now read a voltage at or about the rated voltage that the regulator is designed for.

The ground pin is pin 2.

We check the voltage input into the voltage regulator and the voltage output from the regulator. So we’ll now go through specifically how to test a voltage regulator. As an example, we’ll use the popular voltage regulator, the LM The DC voltage setting is the setting of the multimeter that has the following symbol or sign.

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If we do not, then the voltage regulator is defective, as it does not do the job it was designed for, which is output a regulated voltage. And the regulated output voltage comes out from pin 3 Output. The voltage that we should read should be higher than the voltage the regulator is rated to output. This is why we do this test. Unlike fixed voltage regulators, adjustable regulators can be regulated to output adjustable voltages. Volatge test the voltage going into the voltage regulator, we take a multimeter and place it in the DC voltage setting.

This is to make sure that voltage is, in fact, being supplied to the regulator. Measuring the Output Voltage Now that this step is complete, coltage now read the output voltage. To measure the output voltage, we place the same multimeter set in the DC voltage setting and now place the positive probe of the multimeter on the output pin of the regulator and the negative probe on the ground pin of the regulator.

Measuring the Input Voltage When testing the voltage of a voltage regulator, we first check the voltage from the input pin regularor ground.