LM317LCPK

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LM317LCPK

IC REG LIN POS ADJ 100MA SOT89-3

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  • Mfr. Parte #LM317LCPK
  • Paquete SOT-89 (PK)-3
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  • En stock2151

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Especificaciones

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
OutputConfiguration Positive
OutputType Adjustable
NumberofRegulators 1
Voltage-Input(Max) 38V
Voltage-Output(Min/Fixed) 1.2V
Voltage-Output(Max) 32V
Current-Output 100mA
PSRR 80dB ~ 65dB (120Hz)
ProtectionFeatures Over Current, Over Temperature, Short Circuit
OperatingTemperature 0°C ~ 125°C
MountingType Surface Mount
Package/Case TO-243AA

Descripción general

Description

The LM317LCPK is a versatile, adjustable voltage regulator from Texas Instruments. It is part of the LM317 family, offering an output voltage range from 1.25V to 37V with a maximum output current of 100 mA. This component is widely used in electronics projects for power supply regulation due to its ease of use and reliability.
The device requires only two external resistors to set the output voltage, making it simple to implement in various applications. It features current limiting, thermal overload protection, and safe area compensation, which enhance its reliability and make it robust against overloads and temperature extremes.
The LM317LCPK is available in different package types, such as TO-92 and SOT-89, suitable for through-hole and surface-mount designs, respectively. Its small form factor is ideal for space-constrained applications, including battery chargers, power management systems, and other consumer electronics.
By efficiently stepping down higher voltage inputs to a desired lower output, the LM317LCPK plays a critical role in ensuring consistent performance and safety in electronic circuits.

Features

The LM317LCPK is a versatile, adjustable linear voltage regulator designed for a wide range of applications. Key features include:
1. Adjustable Output: The LM317LCPK allows output voltage adjustment from 1.25V to 37V, making it suitable for various requirements.
2. Current Limiting: It provides a maximum output current of 100 mA, ensuring protection against overloads and short circuits.
3. Thermal Overload Protection: Built-in thermal protection prevents damage due to overheating, enhancing durability and reliability.
4. High Stability: The regulator offers excellent line and load regulation, maintaining stable output voltage despite variations in input voltage and load conditions.
5. Low Dropout Voltage: It features a dropout voltage of about 3V, ensuring efficient performance even with lower input voltage differentials.
6. Minimal External Components: Requires only two external resistors to set the output voltage, simplifying circuit design.
7. Standard Package: The LM317LCPK is available in a TO-92 package, making it easy to integrate into a variety of circuit boards.
These features make the LM317LCPK a reliable choice for DIY electronics projects and professional applications requiring adjustable voltage regulation.

Package

The LM317LCPK is a voltage regulator integrated circuit available in a TO-92 package. This package type is characterized by its small, three-lead, through-hole design, commonly used for low-power applications.

Pinout

The LM317LCPK is a voltage regulator with a 3-pin configuration. Its primary function is to provide an adjustable output voltage. The three pins are:
1. Input (Vin): This pin receives the unregulated input voltage that needs to be stabilized.
2. Output (Vout): This pin provides the regulated output voltage, which is adjustable by changing the resistance between the output and the adjustment pin.
3. Adjustment (Adj): This pin is used to set the output voltage. By connecting a resistor network between the output and ground, the voltage can be adjusted typically between 1.25V and 37V, depending on the input voltage and the external components used.
The LM317LCPK can supply a maximum output current of 100 mA, making it suitable for low-power applications. It is widely used in various electronic devices for its simplicity, reliability, and flexibility in setting output voltage.

Manufacturer

The LM317LCPK is manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company that designs and manufactures semiconductors and various integrated circuits. It is one of the largest semiconductor companies in the world and has a diverse product portfolio that includes analog electronics, embedded processors, and digital signal processors, among other technologies. TI serves multiple industries, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. The company is known for its focus on innovation and has a significant presence in research and development.

Application

The LM317LCPK is a versatile, adjustable voltage regulator used in various applications such as power supply units, battery chargers, and LED drivers. It's suitable for microcontroller power supplies, precision current regulation, and adjustable lab power supplies. Its ability to provide a stable output voltage makes it ideal for devices requiring a stable power source, like communication equipment and instrumentation.

Equivalent

The LM317LCPK is a voltage regulator IC. Equivalent products include the TL317 from Texas Instruments, L78L33 from STMicroelectronics, and the NTE956 from NTE Electronics. These alternatives offer similar functionality as adjustable voltage regulators, providing a range of output voltages with a typical output current of up to 100 mA, suitable for a variety of applications. Always confirm electrical specifications and pin compatibility before substitution.

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