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LM338 DATASHEET PDF

The LM/LM/LM are adjustable 3-terminal positive voltage regulators capable of supplying in excess of 5A over a V to 32V output range. They are. The LM, LM, LM are adjustable 3- terminal positive voltage regulators capable of supplying in excess of 5 A over a V to 32 V output range. LM LM – 5 Amp Adjustable Regulator, Package: TO-3, Pin Nb=3. The LM series of adjustable 3-terminal positive voltage regulators is capable of.

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An optional output capacitor can be added to improve transient response. Normally, no capacitors are needed unless the device is situated more than mm 6 inches from the input filter capacitors in which case an daasheet bypass capacitor is required. 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.

LM / LM / LM Voltage Regulator Calculator and Circuits

Where greater output current is required, the LM series regulators are suitable up to 3A and the LM series voltage regulators for up to 5A of output. Where greater output current is required, the LM series regulators are suitable up to 3A and the LM series voltage regulators for up to 5A of output.

No protection diodes are required for output voltages of less than 25V or greater than 10 uF capacitance. The dropout voltage of the IC regulator is about 1. Created 28 July Even small capacitors can have a low enough internal series resistance to be able to deliver 20A spikes when shorted.

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See the voltage regulator datasheets above for specific details regarding the dropout voltage and heatsink requirements. To lm33 the output voltage, enter values for the program R 1 and set R 2 resistors and hit the “Calculate” button. To determine the output voltage, enter values for the program R 1 and set R 2 resistors and hit the “Calculate” button. An optional output capacitor can be dqtasheet to improve transient response. The LM voltage regulators can provide up to 1.

National Semiconductor

You don’t want to use too high an input voltage as the excess will need to be dissipated as heat through the regulator. Last update 6 January Dstasheet tantalum capacitors can be used on the voltage output to improve the ripple rejection of the voltage regulator. The adjustment terminal of the regulator can be bypassed to achieve very high ripple rejection.

Although the surge is very short in duration, there is enough energy to damage parts of the regulator IC.

Plan to be about 3V about the desired output voltage. Plan to be about 3V about the desired output 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.

Please update your bookmarks. The LM voltage regulators can provide up to 1. Although the surge is very short in duration, there datasheeet enough energy to damage parts of the regulator IC.

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LM317 / LM338 / LM350 Voltage Regulator Calculator

Last update 6 January You don’t want to use too high an input voltage as the excess will need to be dissipated as heat through the regulator. However, other values such as or ohms can also be used for R 1. The adjustment terminal of the regulator can be bypassed to achieve very high ripple rejection.

Even small capacitors can have a low enough internal series resistance to be able to deliver 20A spikes when shorted. Created 28 July See the voltage regulator datasheets above for specific details regarding the dropout voltage and heatsink requirements. Normally, no capacitors are needed unless the device is situated more than mm 6 inches from the input filter capacitors in which case an input bypass capacitor is required.

However, other values such as or ohms can also be used for R 1. No protection diodes are required for output voltages of less than 25V or greater than 10 uF capacitance. Please update your bookmarks.

Solid tantalum capacitors can be used on the voltage output to improve the ripple rejection of the voltage regulator. The dropout voltage of the IC regulator is about 1.