Lm8238lm338march 1993adjustable voltage regulatorsthreeterminal 5a. Lm317 lm338 lm350 voltage regulator calculator and. The lm8 series of adjustable 3 terminal positive voltage regulators is capable of supplying in excess of 5 a over a. The lm338k are adjustable 3 terminal positive voltage regulators capable of supplying in excess of 5a over a 1. Since the regulator is floating and sees only the inputtooutput differential voltage, supplies of several hundred volts can be regulated as long as the maximum input to input differential is not exceeded. Since the regulator is floating to set the output voltage. Lm338 datasheet, lm338 pdf, lm338 data sheet, lm338 manual, lm338 pdf, lm338, datenblatt, electronics lm338, alldatasheet, free, datasheet, datasheets, data sheet. Aug 08, 2019 datasheet lm338k pdf lmlm 5amp adjustable regulators. Lm338 5a positive adjustable voltage regulator components datasheet pdf data sheet free from datasheet data sheet search for. The lm317 lm338 lm350 family of adjustable 3terminal positive voltage regulators can take a input of 3 to 40 volts dc and provide a regulated voltage over a 1. When an output capacitor is connected to a regulator and the input is shorted the output capacitor will discharge into the output of the regulator the discharge current depends on the value of the capacitor the output voltage of the regulator and the rate of decrease of v in. Lm8lm338 5amp adjustable regulators general description the lm8 series of adjustable 3terminal positive voltage regulators is capable of supplying in excess of 5a over a 1. Problem with voltage regulator lm338 electronics forum. They are exceptionally easy to use and require only 2 resistors to set the output voltage.
This allows the lm to be used with heavy transient loads and speeds startup under fullload conditions. The lm317 lm338 lm350 series of voltage regulators can also be configured to regulate current in a circuit. Lm8 and lm338 5amp adjustable regulators datasheet. Stmicroelectronics, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated. Lm338 datasheet adjustable power supply 5a and 10a elec. Stmicroelectronics threeterminal 5 a adjustable voltage regulators,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Lm338 datasheet, lm338 pdf, lm338 data sheet, lm338 manual, lm338 pdf, lm338. Stmicroelectronics threeterminal 5 a adjustable voltage regulators,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated. May 01, 2020 datasheet lm338k pdf lmlm 5amp adjustable regulators. Careful circuit design has resulted in outstanding. Careful circuit design has and sees only the inputtooutput differential voltage, resulted in outstanding. Lm338 datasheet 5amp adjustable regulators national, lm338k datasheet, lm338t datasheet, lm338 pdf, lm338 pinout, lm338 schematic, lm338 equivalent. The other one i am using to create a portable power station for my desk.
Careful circuit design has resulted in outstanding load and line regulationcomparable to many. I am building two of these, with one slotting into my main power station, the powerstation2. Lm8, lm338 snvs771c may 1998revised december 2016 lm8 and lm338 5amp adjustable regulators 1 1 features. Lm338k three terminal 5a adjustable voltage regulator in.
Lm8 and lm338 5amp adjustable regulators datasheet rev. Lm338k datasheet pdf lmlm 5amp adjustable regulators. The lm8, lm238, lm338 are adjustable 3 terminal positive voltage regulators capable of supplying in excess. Datasheet lm338k pdf lmlm 5amp adjustable regulators. Lmk datasheetpdf national semiconductor ti when external capacitors are used with a voltage regulator lm338, may be necessary to use protection diodes to prevent the capacitors from discharging through low current lm33k into the voltage regulator. The lm8 series of adjustable 3terminal positive voltage regulators is capable of supplying in excess of 5 a over a 1. The dischargecurrent depends on the valueof thecapacitor, the output voltage of the regulator, and therate of decrease of vi. Where greater output current is required, the lm350 series regulators are.
Lm338k datasheet, lm338k pdf, lm338k data sheet, lm338k manual, lm338k pdf, lm338k, datenblatt, electronics lm338k, alldatasheet, free, datasheet, datasheets, data. Hello, i have problem with a voltage regulator lm338. The nominal output voltage is selected by means of a resistive divider. An important notice at the end of this data sheet addresses availability, warranty, changes, use in safetycritical applications, intellectual property matters and other important disclaimers.
In addition to excellent line and load regulation, with full overload. Can be used as either a linear or a switching the lm723lm723c is also useful in a wide range of regulator other applications such as a shunt regulator, a current regulator or a temperature. Liner, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Lm338k datasheet, lm338k pdf, lm338k pinout, equivalent, replacement lm338k etc, schematic, circuit, manual. The lm8, lm238, lm338 are packaged in standard steel to3 transistor package. Careful circuit design has resulted dataaheet outstanding load and line regulation comparable to many commercial power supplies. Lm338k linear voltage regulators are available at mouser electronics. Lm338 datasheet adjustable power supply 5a and 10a. Ic lm338 application circuits homemade circuit projects. The lm8 series of adjustable 3terminal positive voltage. Aug 29, 2016 lm338 datasheet 5amp adjustable regulators national, lm338k datasheet, lm338t datasheet, lm338 pdf, lm338 pinout, lm338 schematic, lm338 equivalent. Lm8 lm238 lm338 threeterminal 5 a adjustable voltage regulators features i guaranteed, disconnected. Careful circuit design has resulted in outstanding load and line regulation.
The problem im observing is very large voltage drop under load. An optional output capacitor can be added to improve transient response. Lm317 lm338 lm350 voltage regulator calculator and circuits. I want to get 6v with up to 5a, im using a 15v 5a voltage supply some laptop acdc adapter. The lm8 series of adjustable 3terminal positive voltage regulators is.
The lm8 series of adjustable 3terminal positive voltage regulators is capable of supplying in excess of 5a over to 32v output range they are exceptionally easy to use and require only 2 resistors to set the output voltage careful circuit. The lm8lm238lm338 are adjustable 3terminal positive voltage regulators capable of supplying in ex cess of 5a over a 1. Threeterminal 5 a adjustable voltage regulators, lm338k datasheet, lm338k circuit, lm338k data sheet. April 2008 rev 2 123 23 lm8 lm238 lm338 threeterminal 5 a adjustable voltage regulators features guaranteed 7 a peak output current guaranteed 5 a output current adjustable output down to 1. In the lm338 this discharge path is through alarge junction that isable tosustain25a surgewithno problem. Lm338k threeterminal 5a adjustable voltage regulators. The lm8lm238lm338 are adjustable 3terminal positive voltage regulators capable of supplying in excess of 5a over a 1. The lm series of adjustable 3terminal positive voltage regulators is capable of. Lm338t old version datasheet lm8lm338 5amp adjustable regulators. Most h metal can, j ceramic, and k metal can packages from analog devices are obsolete the lt8a series of adjustable regulators provide 5a output current over an output voltage range of 1. Lm8 lm338 5amp adjustable regulators may 1998 lm8 lm338 5amp adjustable regulators, packaged in. Lm338k pdf, lm338k description, lm338k datasheets, lm338k. See the voltage regulator datasheets above for specific details regarding the dropout voltage and heatsink requirements.
Liner 5a positive adjustable voltage regulator,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Output voltage adjustable from 2v to 37v or foldback current limiting. Lm338k linear voltage regulators datasheets mouser. Lm338k three terminal 5a adjustable voltage regulator in a. The internal voltage reference is trimmed to less than 1%, enabling a very tight output voltage. For this weeks project i have built a 5 amp variable voltage regulator using an lm338 serial regulator. The lm217, lm317 are monolithic integrated circuits in to220, to220fp and d. Jul 07, 2019 datasheet lm338k pdf lmlm 5amp adjustable regulators. Pak packages intended for use as positive adjustable voltage regulators. Description the lm8, lm238, lm338 are adjustable 3terminal positive voltage regulators, regulated as long as the maximum input to input differential. Thisis nottrue ofother types of positive regulators. Careful circuit design has resulted in outstanding load and line regulation, comparable to many commercial. Careful circuit design has resulted in outstanding load and line regulation comparable to many commercial power supplies. Careful circuit design has resulted in outstanding load and line regulation, comparable to many commercial power supplies.
Build a 5 amp portable power supply with an lm338 regulator. Lm338k datasheet threeterminal 5a adjustable voltage. When external capacitors are used with a voltage regulator it may be necessary to use protection diodes to prevent the capacitors from discharging through low current points into the voltage regulator. Stmicroelectronics, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Voltage regulator the lt8a series of adjustable regulators provide 5a output current over an output voltage range of 1. Lm338k steel ic regulator adj 5a to3 national semiconductor datasheet pdf data sheet free from datasheet data sheet search for integrated circuits ic, semiconductors and other electronic components such as resistors, capacitors, transistors and diodes. Careful circuit design has resulted in outstanding load and line regulation comparable to many. Threeterminal 5 a adjustable voltage regulators stmicroelectronics. Method for cal output voltage tolerances in adj regs rev. Lm338k stmicroelectronics linear voltage regulators 1. Jun, 2019 lm338k datasheet pdf lmlm 5amp adjustable regulators. Lm338k threeterminal 5 a adjustable voltage regulators.
Lm338k datasheet, lm338k datasheets, lm338k pdf, lm338k circuit. Description the lm8, lm238, lm338 are adjustable 3terminal positive voltage regulators, regulated as long as the maximum input to input differential is not exceeded. Lm8 lm238 lm338 threeterminal 5 a adjustable voltage regulators features guaranteed 7 a peak output current guaranteed 5 a output current adjustable output down to 1. Lm338 datasheet, lm338 pdf, lm338 data sheet, lm338 manual, lm338 pdf, lm338, datenblatt, electronics lm338, alldatasheet, free, datasheet, datasheets, data sheet, datas sheets, databook, free datasheet. In the lm8 this discharge path is through a large junction that is. The lm8 series of adjustable 3terminal positive voltage regulators is capable of supplying in. Lm8 lm338 5amp adjustable regulators datasheet catalog. Lm8, lm338 5amp adjustable regulators march 1995 lm8, lm338 5amp adjustable regulators general description the lm8 series of adjustable 3terminal positive voltage regulators is capable of supplying in excess of 5a over a 1. Lm338 datasheet 5amp adjustable regulators national. Lm338 datasheet pdf, lm338 data sheet, lm338, lm338. The discharge current depends on the value of datasheef capacitor, the output voltage of the regulator, and the rate of decrease of vi. The adjustment terminal of the regulator can be bypassed to achieve very high ripple.
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