DATASHEET LM338K PDF

LM/LM 5-Amp Adjustable Regulators. General Description. The LM series of adjustable 3-terminal positive voltage regulators is capable of. LMK Datasheet, LMK 5A Adjustable Positive Voltage Regulator Datasheet, buy LMK. LM LM 5-Amp Adjustable Regulators. General Description. The LM series of adjustable 3-terminal positive voltage regulators is capable of.

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Plan to be about 3V about the desired output voltage. However, other values such as or ohms can also be used for R 1. When external capacitors are used with a voltage regulator it may be ddatasheet to use protection diodes to prevent the capacitors from discharging through low current points into the voltage regulator. No ml338k diodes are required for output voltages of less than 25V or greater than 10 uF capacitance. Please update your bookmarks.

Created 28 July The dropout voltage of the IC regulator is about 1. Plan to be about 3V about the desired output voltage.

National Semiconductor

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. See the voltage regulator datasheets above for specific details regarding the dropout voltage and heatsink requirements. The adjustment terminal of the regulator can be bypassed to achieve very high ripple rejection.

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LM317 / LM338 / LM350 Voltage Regulator Calculator

The dropout voltage of the IC regulator is about 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. 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.

Even small capacitors can have a low enough internal series resistance to be able to deliver 20A spikes when shorted. Datasneet optional output capacitor can be added to improve transient response.

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.

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

LM / LM / LM Voltage Regulator Calculator and Circuits

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. Solid tantalum capacitors can be used on the voltage output to improve the ripple rejection of the voltage regulator. Although the surge is very short in duration, there is enough energy to damage parts of the regulator IC. An optional output capacitor can be added to improve transient response.

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Even small capacitors can have a low enough internal series resistance to be able to deliver 20A spikes when shorted. Last update 6 January You don’t want to use too high an input voltage as the excess will need to be dissipated om338k heat through the regulator.

Normally, no lm3338k 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.

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

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 Please update your bookmarks.

Solid tantalum capacitors can be used on the voltage output to improve the ripple rejection of the voltage regulator. However, other values such as or ohms can also be used for R 1.