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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National Semiconductor

The ground of R2 can be returned near the ground of the load to provide remote ground sensing and improve load regulation. Please update your bookmarks. Solar micro-inverter wikipedialookup.

This publication supersedes and dataxheet all information previously supplied.

Plan to be about 3V about the desired output voltage. Schmitt trigger wikipedialookup. Normally, no capacitors are needed unless the device is situated far from the input filter capacitors in which case an input bypass is needed. Also included on the chip are thermal overload protection and datasheett area protection for the power transistor.


PDF LM338K Datasheet ( Hoja de datos )

Voltage regulator wikipedialookup. The LM voltage regulators can provide up to 1.

Datashedt bypass capacitor on the adjustment terminal can discharge through a low datssheet junction. Transistor wikipedialookup. Regulation is measured at constant junction temperature. Islanding wikipedialookup. The adjustment terminal of the regulator can be bypassed to achieve very high ripple rejection. Voltage optimisation wikipedialookup. If there is insufficient load on the output, the output will rise. Besides replacing fixed regulators or discrete designs, the LM is useful in a wide variety of other applications.

For this reason, 0. The adjustment terminal can be bypassed to achieve very high ripple rejection ratios which are difficult to achieve with standard 3-terminal regulators.

LMK Datasheet(PDF) – National Semiconductor (TI)

Careful circuit design has resulted in outstanding load and line regulation comparable to many commercial power supplies. This eliminates line drops from appearing effectively in series with the reference and degrading regulation. The adjustment terminal can be bypassed to ground on the LM to improve ripple rejection. Solid tantalum capacitors have low impedance even at high frequencies. The LM family is supplied in a standard 3-lead transistor package. Tube sound wikipedialookup. However, other values such as or ohms can also be used for R 1.


Although the LM is stable with no output capacitors, like any feedback circuit, certain values of external capacitance dataeheet cause excessive ringing. Specifications mentioned in this publication are subject to change without notice. In general, the best type of capacitors datasheef use are solid tantalum. Discharge occurs when either the input or output is shorted. Regulator with Line Resistance in Output Lead. Even small capacitors can have a low enough internal series resistance to be able to deliver 20A spikes when shorted.

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. Last update 6 January See the voltage regulator datasheets above for specific details regarding the dropout voltage and heatsink requirements.

Thank you for your participation! The dropout voltage of the IC regulator is about 1. Current source lm383klookup. Power inverter wikipedialookup. Under sustained loading conditions, the current limit decreases to a safe value protecting the regulator.