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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To determine the output voltage, enter values for the program Dataxheet 1 and set R 2 resistors and hit the “Calculate” button. See the voltage regulator datasheets above for specific details regarding the dropout voltage and heatsink requirements. Solid tantalum capacitors can be used on the voltage output to improve the ripple rejection of the voltage regulator. Created 28 July Please update your bookmarks.

An optional output capacitor can be added to improve transient response. An optional output datasjeet can be added to improve transient response. Although the surge is very short in duration, there is enough energy to damage parts of the regulator IC. 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.

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.

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LM / LM / LM Voltage Regulator Calculator and Circuits

The LM voltage regulators can provide up to 1. 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.

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. See the voltage regulator datasheets above for specific details regarding the dropout voltage and heatsink requirements. You don’t want to use too high an input voltage as the excess will need to be dissipated as heat through the regulator.

Although the surge is very short in duration, there is enough energy to damage parts of the regulator IC. The adjustment terminal of the regulator can be bypassed to achieve very high ripple rejection.

Last update 6 January The adjustment terminal of the regulator can be bypassed to achieve very high ripple rejection. 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.

However, other values such as or ohms can also be used for R 1. Please update your bookmarks. Even small capacitors can have a low enough internal series resistance to be able to deliver 20A spikes when shorted. However, other values such as or ohms can also be used for R 1.

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Lm383 don’t want to use too high an input voltage as the excess will need to be dissipated as heat through the regulator. The dropout voltage of the IC regulator is about 1. No protection diodes are required for output voltages of less than 25V or greater than 10 uF capacitance.

LM317 / LM338 / LM350 Voltage Regulator Calculator

Plan datashete be about 3V about the desired output voltage. Solid tantalum capacitors can be used on the voltage output to improve the ripple rejection of the voltage regulator.

Last update 6 January The LM voltage regulators can provide up to 1. Even small capacitors can have a low enough internal series daatsheet to be able to deliver 20A spikes when shorted. 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. Created 28 July To determine the output voltage, enter values for the program R 1 and set R 2 resistors and hit the “Calculate” button.

No protection diodes are required for output voltages of datashet than 25V or greater than 10 uF capacitance.

The dropout voltage of the IC regulator is about 1. Plan to be about 3V about the desired output voltage.