Are voltage regulators adjustable?

Are voltage regulators adjustable?

An adjustable voltage regulator produces a DC output voltage, which can be adjusted to any other value of certain voltage range. Hence, adjustable voltage regulator is also called as a variable voltage regulator. The DC output voltage value of an adjustable voltage regulator can be either positive or negative.

What is the range of the voltage level of the LM317 adjust voltage regulator?

1.2 V to 37 V
The LM317 is an adjustable 3−terminal positive voltage regulator capable of supplying in excess of 1.5 A over an output voltage range of 1.2 V to 37 V.

What is the range of voltage level of the LM337 adjustable voltage regulator?

-1.2V to -37 V
The LM337 is an adjustable 3-terminal negative linear voltage regulator capable of supplying in excess of 1.5 A over an output voltage range of -1.2V to -37 V.

What is the maximum input voltage for a LM317?

Capable of providing upto 1.5A current at the output.

Voltage adjustable from 1.2V to 37V

Requires low external components

Requires only two external resistors for output adjustment.

Capable of short circuit protection

Over heat shutdown function

Low price

Reliable to use in commercial applications

Maximum input voltage is 40V DC

Low standby current

What is voltage regulator and how does it work?

A voltage regulator is basically a beefed up emitter follower, like described above – a transistor connected to a stable reference that spits out a constant voltage, dropping the rest. They also have a built in error amplifier, which samples the output voltage (again through a divider), compares it with the reference voltage, calculates the difference, and drives the output transistor accordingly.

Is there a dual voltage regulator?

There are three main classes or types of regulators: positive regulators where the incoming voltage is positive, negative regulators where the incoming voltage is negative, dual voltage regulators , which are sets of both, e.g., an op-amp circuit, and finally, adjustable regulators where any of the above may be present, but have a control knob to vary the output voltage on demand.

What is a variable voltage regulator?

Variable Voltage Regulator. The Variable Voltage Regulator makes variable voltage supplies from 0-11 KV or any desired voltage upto 5000 kva. These variable voltage supplies are used for special purpose applications and testing.