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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Besides replacing fixed regulators or discrete designs, the LM is useful in a wide variety of other applications.
PDF LM338K Datasheet ( Hoja de datos )
Overload protection remains functional even if the adjustment pin is accidentally disconnected. Two-port network wikipedialookup. Resistive opto-isolator wikipedialookup. Three-phase electric power wikipedialookup.
Even small capacitors can have a low enough internal series resistance to be able to deliver 20A daatasheet when shorted.
Regulator with Protection Diodes. Capacitor wikipedialookup. No protection diodes are required for output voltages of less than 25V or greater than 10 uF capacitance.
Regulator with Line Resistance in Output Lead. This is not true of other types of positive regulators. Plan to be about 3V about the desired output voltage. However, SGS-THOMSON Microelectronics assumes no responsability for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may results from its use. Voltage optimisation wikipedialookup.
LM Datasheet and Product Info | Analog Devices
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This bypass capacitor prevents ripple form being amplified ,m338k the output voltage is increased. Please update your bookmarks. This publication supersedes and replaces all information previously supplied. Opto-isolator wikipedialookup.
The LM voltage regulators can provide up to 1. The adjustment terminal can be bypassed to achieve very high ripple rejection ratios which are difficult to achieve with standard 3-terminal regulators. A unique feature of the LM family is time-dependent current limiting. If the bypass capacitor is used, it dqtasheet sometimes necessary to include protection diodes to prevent the capacitor from discharging through internal low current paths and damaging the device.
Thermal runaway wikipedialookup. Pulse-width modulation wikipedialookup.
Islanding wikipedialookup. When external capacitors are used with a voltage regulator it may be necessary to use protection diodes to prevent the capacitors km338k discharging through low current points into the voltage regulator. An optional output capacitor can be added to improve transient response.
LM317 / LM338 / LM350 Voltage Regulator Calculator
Careful circuit design has resulted in outstanding load and line regulation comparable to many commercial power supplies. Normally, no capacitors are needed unless the device is situated far from the input filter capacitors in which case an input bypass is needed. 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 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. With the TO-3 package, it is easy to minimize the resistance from the case to the set resistor, by using 2 separate leads to the case. Current source wikipedialookup. Electrical ballast wikipedialookup.
Power inverter wikipedialookup. An optional output capacitor can be added to improve transient response. Switched-mode power supply wikipedialookup. Rectifier wikipedialookup. The current datxsheet circuitry allows peak currents of up to 12A to be drawn from the regulator for short periods of time.
Although the LM is stable with no output capacitors, like any feedback circuit, certain values of external capacitance can cause excessive ringing. However, other values such as or ohms can also be used for R 1. You don’t want to use too high an input voltage as the excess will need to be dissipated as heat through l,338k regulator.