What is lm338t?

LM338 is an adjustable 3-terminal positive voltage regulator which capable of supplying in excess of 5A over a 1.2V to 32V output range. This blog will introduce LM338 from its pinout, features to its application circuits, datasheet and including some other information.

What is adjustable voltage regulator?

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.

Which IC is low power variable voltage regulator?

Adjustable/Variable Voltage Regulator using LM 117 IC. A circuit that regulates the output voltage within a desired range and can be adjustable within that range is called an Adjustable Voltage Regulator.

Which IC is an adjustable positive voltage regulator?

LM317 is a classic example of positive adjustable voltage regulator, whose output voltage can be varied over a range of 1.2 volts to 57 volts. LM337 is an example of negative adjustable voltage regulator.

What is the current rating of voltage regulator IC LM338 ke?

The LM138 is rated for TJ = –55°C to 150°C, and the LM338 is rated for TJ = 0°C to 125°C.

What is LM317 transistor?

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. This voltage regulator is exceptionally easy to use and requires only two external resistors to set the output voltage.

What is the dropout voltage of LM317?

As has already been mentioned, the LM317 has a minimum 1.7v dropout voltage.

What is a 3 terminal voltage regulator?

General Description. The TS317 is adjustable 3-terminal positive voltage regulator capable of supplying in excess of 1.5A over an output voltage range of 1.25 V to 37 V. This voltage regulator is exceptionally easy to use and require only two external resistors to set the output voltage.

What is the use of 7805 IC?

7805 Voltage Regulator, a member of 78xx series of fixed linear voltage regulators used to maintain such fluctuations, is a popular voltage regulator integrated circuit (IC). The xx in 78xx indicates the output voltage it provides. 7805 IC provides +5 volts regulated power supply with provisions to add a heat sink.

Which is the 3 terminal negative voltage regulator IC?

IC 79xx is a three-pin negative voltage controller IC. It is a small integrated circuit used in a circuit to supply a constant negative input voltage.

How does IC 7805 work?

For 7805 IC, it is +5V DC regulated power supply. This regulator IC also adds a provision for a heat sink. The input voltage to this voltage regulator can be up to 35V, and this IC can give a constant 5V for any value of input less than or equal to 35V which is the threshold limit.

How does voltage regulator IC works?

How Does a Voltage Regulator Work? A voltage regulator is a circuit that creates and maintains a fixed output voltage, irrespective of changes to the input voltage or load conditions. Voltage regulators (VRs) keep the voltages from a power supply within a range that is compatible with the other electrical components.

What is the function of lm338 power supply?

A power supply is an integral part of any electronic circuit or device, they are used to supply electric power to an electric load. LM338 is a voltage regulator IC with three terminals, it comes with a lot of built-in features like constant with temperature, short circuit protection, thermal regulation, etc.

What is the difference between the lm338k and lm338t?

The LM338K is capable of delivering power of 5 amps under the necessary conditions, and the casing is larger and the cooling is difficult to install. The LM338T is a power supply circuit that can be used in applications requiring simple amps or low power supplies with 3 amps.

What is the current of a lm338 variable DC voltage regulator?

If you want to a LM338 variable dc voltage power supply circuit during 1.2V to 30Vdc and can provide a current maximum to 5A. LM338 Datasheet. The LM138/LM238/LM338 are adjustable 3-terminal positive voltage regulators capable of supplying in excess of 5A over a 1.2V to 32V output range.

How is the collector resistance of lm338 selected?

The collector resistance values are chosen in an incremental order so that a correspondingly varying voltages can be selected and becomes available through the external triggers. Other than power supplies, LM338 can also be used as a light controller.