LM317LCPK

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LM317LCPK

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IC REG LIN POS ADJ 100MA SOT89-3

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  • 包裹 SOT-89 (PK)-3

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規格

屬性 價值
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

概述

Description

The LM317LCPK is a versatile, adjustable voltage regulator that is commonly used in electronic circuits to provide a stable output voltage from a variable input voltage. It is a low-power version of the popular LM317 voltage regulator and is typically used in applications requiring output currents of up to 100 mA. This component can adjust output voltages from 1.2V to 37V with a simple setup using two external resistors, allowing for a wide range of applications including battery chargers, power supplies, and LED drivers.
The LM317LCPK features built-in current limiting, thermal overload protection, and safe area compensation, making it reliable and durable under various operating conditions. Its compact TO-92 package is ideal for space-constrained applications. Moreover, the device can achieve a high level of precision and performance with a typical line regulation of 0.01% and load regulation of 0.1%. Due to its ease of use and reliable performance, the LM317LCPK is favored in both hobbyist and professional electronics projects.

Equivalent

The LM317LCPK is a low-power adjustable voltage regulator. Equivalent products include the UA723, LM117, LM317, L200, and TL783. These alternatives are generally compatible in functionality but may differ in specific features like voltage range, current capacity, and package type. Always consult the datasheets for precise compatibility and electrical characteristics.

Features

The LM317LCPK is a versatile linear voltage regulator designed for applications requiring adjustable output voltages. Key features include:
1. Adjustable Output Voltage: It allows for an output voltage range from 1.25V to 37V, with the ability to fine-tune to the desired level using external resistors.
2. Output Current: It can supply a maximum output current of 100 mA.
3. Load Regulation: Provides excellent load regulation to maintain consistent output voltage despite changes in load current.
4. Line Regulation: Delivers stable performance across a wide range of input voltages.
5. Thermal Overload Protection: Includes built-in thermal protection to prevent damage from overheating.
6. Short Circuit Protection: Guards against short circuits by limiting the current.
7. Safe Operating Area (SOA) Protection: Ensures the device operates within safe limits to prevent stress damage.
8. Package Options: Available in various package types, including TO-92 and SOT-223, for versatile design integration.
9. Low Dropout Voltage: Offers a low dropout voltage of typically around 3V.
These features make the LM317LCPK suitable for a wide range of applications in power supply design and electronics projects.

Pinout

The LM317LCPK is a three-terminal adjustable voltage regulator. It usually comes in a TO-92 package, which has three pins. The pins and their functions are as follows:
1. Input (Vin): This pin is where the unregulated voltage is applied. The LM317LCPK can handle input voltages up to 40V.
2. Output (Vout): This pin provides the regulated output voltage. The output voltage can be adjusted from 1.25V to 37V using external resistors.
3. Adjust (Adj): This pin is used for adjusting the output voltage. By connecting a variable resistor between the adjust pin and the output pin, the output voltage can be set to the desired level.
The LM317LCPK is widely used for applications needing a stable adjustable output voltage, such as power supplies and battery chargers. It offers thermal overload protection and short-circuit protection, enhancing its reliability in various applications.

Manufacturer

The LM317LCPK is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of integrated circuits, including analog and digital signal processing systems. TI is well-known for its innovations in the electronics industry and provides components used in various applications, from consumer electronics to industrial systems. The LM317LCPK itself is a voltage regulator, specifically a linear adjustable voltage regulator, which is used to maintain a steady voltage level in electronic circuits.

Application

The LM317LCPK is a versatile voltage regulator used in various applications. It is commonly employed in power supplies for electronic devices, offering adjustable output voltage. This component is ideal for battery chargers, where it maintains consistent voltage levels. It's also used in current regulation applications, such as LED drivers, to ensure stable current flow. Additionally, the LM317LCPK is found in DIY electronics projects and prototyping, providing flexibility due to its adjustable properties. It is suitable for use in telecommunications, computer peripherals, and consumer electronics, offering reliable performance across a broad range of operating conditions. Its compact size and ease of use make it ideal for educational and experimental setups as well.

Package

The LM317LCPK is a linear voltage regulator in a TO-92 package. This package type is popular for small, low-power applications due to its compact size and through-hole mounting capability.

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