LM317LCLPR

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LM317LCLPR

IC REG LIN POS ADJ 100MA TO92-3

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規格

Part Status Active
Output Configuration Positive
Output Type Adjustable
Number of Regulators 1
Voltage - Input (Max) 38V
Voltage - Output (Min/Fixed) 1.2V
Voltage - Output (Max) 32V
Current - Output 100mA
Current - Quiescent (Iq) 2.5 mA
PSRR 80dB ~ 65dB (120Hz)
Protection Features Over Current, Over Temperature, Short Circuit
Operating Temperature 0°C ~ 125°C
Mounting Type Through Hole
Package / Case TO-226-3, TO-92-3 (TO-226AA) Formed Leads
Supplier Device Package TO-92-3
Base Product Number LM317

概述

Description

The LM317LCLPR is a low-dropout adjustable voltage regulator used to provide a stable output voltage across a range of input voltages. It is part of the LM317 family and offers flexibility in applications requiring adjustable output voltage from 1.25V to 37V, with a maximum output current of 100 mA. This component features built-in thermal overload protection and current limiting, ensuring reliable performance in various conditions.
Key characteristics of the LM317LCLPR include low dropout voltage (typically around 1.2V), making it suitable for battery-operated devices where efficiency is crucial. It also has a high output voltage accuracy and good line/load regulation, making it ideal for precise applications.
The LM317LCLPR is commonly used in power supplies, battery chargers, and various electronic projects requiring voltage regulation. It comes in a compact TO-220 package, facilitating easy integration into circuits. Overall, the LM317LCLPR is a versatile and reliable choice for adjustable voltage regulation in both commercial and DIY applications.

Features

The LM317LCLPR is a low-dropout adjustable voltage regulator designed for a wide range of applications. Key features include:
1. Adjustable Output Voltage: The output voltage can be set between 1.25V and 37V with the use of external resistors.
2. Low Dropout Voltage: It operates efficiently with a dropout voltage of around 1.2V at 1.5A, allowing it to maintain regulation with minimal input-output voltage difference.
3. Current Output: Capable of delivering output currents up to 100mA.
4. Thermal Protection: Includes built-in thermal overload protection to prevent damage due to overheating.
5. Short-Circuit Protection: Features current limiting to safeguard against short circuits.
6. Small Package: Typically available in a compact TO-92 package, making it suitable for space-constrained applications.
7. Wide Temperature Range: Operates effectively over a temperature range of -40°C to +125°C.
These features make the LM317LCLPR ideal for various applications including power supplies, battery chargers, and more.

Package

The LM317LCLPR is packaged in a TO-220 form factor. This package type is designed for efficient heat dissipation and is commonly used for adjustable voltage regulators in various applications.

Pinout

The LM317LCLPR is a low-dropout voltage regulator with a pin count of 3. Its functions are as follows:
1. Pin 1 (Adjust): This pin is used to set the output voltage by connecting a resistor divider from the output to this pin. It adjusts the output voltage according to the voltage set by the external resistors.
2. Pin 2 (Output): This pin provides the regulated output voltage. The LM317LCLPR can output a voltage range of 1.25V to 37V, depending on the configuration of external components.
3. Pin 3 (Input): This pin accepts the input voltage that needs to be regulated. The input voltage must be higher than the desired output voltage by a certain dropout voltage, typically around 1.25V.
The LM317LCLPR is commonly used in various applications, including power supplies and voltage regulation circuits.

Manufacturer

The LM317LCLPR is manufactured by Texas Instruments (TI), a well-established American technology company. Texas Instruments specializes in designing and manufacturing semiconductors and various integrated circuits (ICs), primarily for analog and embedded processing applications. Founded in 1930, TI has a strong presence in the electronics industry, focusing on innovation in areas such as automotive, industrial, and communications sectors. The LM317LCLPR is a voltage regulator, specifically a low-dropout (LDO) adjustable regulator, commonly used in power management applications. Texas Instruments is recognized for its extensive portfolio of products, commitment to quality, and contributions to advancements in electronic technologies.

Application

The LM317LCLPR is a low-dropout voltage regulator commonly used in various applications, including power supply circuits, battery chargers, adjustable voltage sources, and linear voltage regulation for microcontrollers and analog devices. Its versatility allows it to provide stable output voltages, making it suitable for consumer electronics, automotive systems, and industrial equipment where precise voltage regulation is essential.

Equivalent

The LM317LCLPR is a low-dropout voltage regulator. Equivalent products include:
1. LM317L - Standard version with similar specifications.
2. LM1117 - A low-dropout regulator with adjustable and fixed output options.
3. LT1117 - A high-performance alternative from Linear Technology.
4. MIC2940 - A low dropout voltage regulator with similar output current capabilities.
Always check datasheets for specific parameters to ensure compatibility.

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