LM338 DATASHEET PDF

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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You don’t want to use too high an input voltage as the excess will need to be dissipated as heat through the regulator.

LM / LM / LM Voltage Regulator Calculator and Circuits

Created 28 July The LM voltage regulators can provide up to 1. You don’t want to use too high an input voltage as the excess will need to be dissipated as heat through the regulator. See the voltage regulator datasheets above for specific details regarding the dropout voltage and heatsink requirements.

An optional output capacitor can be added to improve transient response. 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 added to improve transient response. Although the surge is very short in duration, there is enough energy to damage parts of the regulator IC. 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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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. The LM voltage regulators can provide up to 1. Plan to be about 3V about the desired output voltage. To determine the output voltage, enter values for the program R 1 and set R 2 resistors and hit the “Calculate” button.

Solid tantalum capacitors can be used on the voltage output to improve the ripple rejection of the voltage regulator.

Even small capacitors can have a low enough internal series resistance to be able to deliver 20A spikes when dayasheet. See the voltage regulator datasheets above for specific details regarding the dropout voltage and heatsink requirements. Please update your bookmarks.

National Semiconductor

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.

Created 28 July No protection diodes are required for output voltages of less than 25V or greater than 10 uF capacitance. Plan to be about 3V about the desired output voltage.

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. Last update 6 January Please update your bookmarks.

LM317 / LM338 / LM350 Voltage Regulator Calculator

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 vatasheet voltage regulator.

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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 Where greater output current is required, the LM series regulators are suitable up to 3A datasheeet 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.

National Semiconductor – datasheet pdf

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.

Lm338 dropout voltage of the IC regulator is about 1.

Even small capacitors can have a low enough internal datashest resistance to be able to deliver 20A spikes when shorted. Solid tantalum capacitors can be used on the voltage output to improve the ripple rejection of the voltage regulator.