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LM338K DATASHEET PDF

LM/LM 5-Amp Adjustable Regulators. General Description. The LM series of adjustable 3-terminal positive voltage regulators is capable of. LM LM 5-Amp Adjustable Regulators. General Description. The LM series of adjustable 3-terminal positive voltage regulators is capable of. The LM is rated for −55˚C ≤ TJ ≤ +˚C, and the LM is rated for .. Reproduction of TI information in TI data books or data sheets is permissible only if.

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For example, a 15V regulator with 0. Current source wikipedialookup.

LM Datasheet and Product Info | Analog Devices

Alternating current wikipedialookup. Also included on the chip are thermal ln338k protection and safe area protection for the power transistor. Discharge occurs when either the input or output is shorted. Transistor wikipedialookup. Plan to be about 3V about the desired output voltage. Integrating ADC wikipedialookup.

They are exceptionally easy to use and require only 2 resistors to set the output voltage.

LM / LM / LM Voltage Regulator Calculator and Circuits

Islanding wikipedialookup. In the LM this discharge path is through a large datassheet that is able to sustain 25A surge with no problem.

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Surge protector wikipedialookup.

Electrical ballast wikipedialookup. 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.

LM338K Datasheet

Mains electricity wikipedialookup. Even small capacitors can have a low enough internal series resistance to be able to deliver 20A spikes when shorted. This eliminates line drops from appearing effectively in series with the reference and degrading regulation. Voltage optimisation wikipedialookup. The discharge current depends on the value of the capacitor, the output voltage of the regulator, and the rate of decrease of VI.

Specifications mentioned in this publication are subject to change without notice. Solid tantalum capacitors can be used on the voltage output to improve the ripple rejection of the voltage regulator. Although the surge is short, there is enough energy to damage parts of the IC. Resistive opto-isolator wikipedialookup.

datasheett Although the LM is stable with no output capacitors, like any feedback circuit, certain values of external capacitance can cause excessive ringing. The LM family is supplied in a standard 3-lead transistor package. Rectifier wikipedialookup.

The LM voltage regulators can provide up to 1. In general, the best type of capacitors to use are solid tantalum.

This is not true of other datsheet of positive regulators. Ceramic capacitors are also good at high frequencies, but some types have a large decrease in capacitance at frequencies around 0.

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Figure 3 shows an LM with protection diodes included for use with outputs greater than 25V and high values of output capacitance. The adjustment terminal can be bypassed to achieve very high ripple rejection ratios which are difficult to achieve with standard 3-terminal regulators.

Two-port network wikipedialookup. The dropout voltage of the IC regulator is about 1. The device is more sensitive to the absence of input bypassing when adjustment or output capacitors are used byt the above values will eliminate the possibility of problems.

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

Besides replacing fixed regulators or discrete designs, the LM is useful in a wide variety of other applications. Solid tantalum capacitors have low impedance even at high frequencies. This allows the LM to be used with heavy transient loads and speeds start-up under full-load conditions. Solar micro-inverter wikipedialookup.