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What are the pins on a voltage regulator?
They have three connection pins, an input, a common GND, and an output pin. Voltage regulator modules are also available commercially. Different Packaging for the 7805 IC family. An STMicroelectronics LM7805 gives +5 V voltage across the output and GND terminal while TI’s LM7912 gives -12 V output.
What is the voltage output of?
The amount of output voltage is based on the work the voltage must do per unit charge to move a charge against an electric field between two points.
What is the output voltage of a voltage regulator?
The two digits after the 78 represent the output voltage of the regulator, for example the 7805 is a 5V regulator and the 7812 is a 12V regulator. The output voltages available with fixed regulators covers a large range from 3.3V to 24V with nice values like 5V, 6V, 9V, 15V and 18V available.
How does a voltage regulator work in a laser?
By connecting a resistor to the output pin and the adjust pin to the other end of the resistor like shown in the figure, the regulator tries to maintain a constant 1.25V across the output resistor and hence a constant current on the output. This simple circuit is quite popular with the diode laser community.
How is the LM723 IC used in a series regulator?
LM723 Variable Voltage Regulator Voltage regulators are used to getting a stable fixed output voltage. LM723 IC is also a voltage regulator but it can generate a variable voltage which can be adjusted in a range of 3V to 37V. It is basically used in the series regulator application.
What is pin 4 in an error amplifier?
Pin 4 is the inverting input of this amplifier. It is used for obtaining constant voltage at the output by providing output voltage as a feed back to this pin. It is an input pin connected internally to the non-inverting terminal of the error amplifier. A reference voltage is applied at this pin.