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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Normally, no capacitors are needed unless the device is situated more than mm 6 inches from the input filter capacitors in which datashee an input bypass capacitor is required. Last update 6 January To determine the output voltage, enter values for the program R 1 and set R 2 resistors and hit the “Calculate” button.

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 datasheer required. The LM voltage regulators can provide up to 1. Although the surge is very short in duration, there is enough energy to damage parts of the regulator IC. Solid tantalum capacitors can be used on the voltage output to improve the ripple rejection of the voltage regulator.

Created 28 July No protection diodes are required for output voltages of less than 25V or greater than 10 uF capacitance.

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Created 28 July An optional output dstasheet can be added to improve transient response. The adjustment terminal of the regulator can be bypassed to achieve very high ripple rejection. See the voltage regulator datasheets above for specific details regarding the dropout voltage and heatsink requirements. 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.

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 lm338 ohms can also be used for R 1.

National Semiconductor – datasheet pdf

Even small capacitors can have a low enough internal series resistance to be able to deliver 20A spikes when shorted. Although the surge is very short in duration, there is enough energy to damage parts of the regulator IC.

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

LM317 / LM338 / LM350 Voltage Regulator Calculator

An optional output capacitor can be added to improve transient response. However, other values such as or ohms can also be used for R 1. 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.

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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.

The dropout voltage of the IC regulator is about 1. Even small capacitors lm33 have a low enough internal series resistance to be able to deliver 20A spikes when shorted. You don’t want to use too high an input voltage as the excess will need to be dissipated as heat through the regulator.

National Semiconductor

To determine the output voltage, enter values for the program R 1 and set R 2 resistors and hit the “Calculate” button. The LM voltage regulators can provide up to 1. Please update your bookmarks.

Plan to be about 3V about the desired output voltage. See the voltage regulator datasheets above for specific details regarding the dropout voltage and heatsink requirements. satasheet

When external capacitors are used with a voltage regulator it may be necessary to use protection diodes to prevent lm3338 capacitors from discharging through low current points into the voltage regulator. Please update your bookmarks.

No protection diodes are required for output voltages of less than 25V or greater than 10 uF capacitance. The adjustment terminal of the regulator can be bypassed to achieve very high ripple rejection.