LM317EMPX/NOPB

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LM317EMPX/NOPB

IC REG LIN POS ADJ 1.5A SOT223-4

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Spezifikationen

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
OutputConfiguration Positive
OutputType Adjustable
NumberofRegulators 1
Voltage-Input(Max) 37V
Voltage-Output(Min/Fixed) 1.25V
Voltage-Output(Max) 37V
Current-Output 1.5A
PSRR 80dB ~ 65dB (120Hz)
ProtectionFeatures Over Current, Over Temperature, Short Circuit
OperatingTemperature 0°C ~ 125°C
MountingType Surface Mount
Package/Case TO-261-4, TO-261AA

Übersicht

Description

The LM317EMPX/NOPB is a versatile, adjustable three-terminal voltage regulator designed to provide a range of output voltages. It is capable of delivering output voltages ranging from 1.25V to 37V, with a maximum output current of 1.5A, making it suitable for a variety of applications. The device is well-regarded for its ease of use, requiring only two external resistors to adjust the output voltage.
This voltage regulator features internal current limiting, thermal overload protection, and safe area compensation, enhancing its reliability and robustness in various circuit designs. The LM317EMPX/NOPB is particularly useful in applications where a stable and adjustable power supply is necessary, such as in power management for electronic devices and systems.
The "NOPB" suffix indicates that the device is lead-free and RoHS compliant, aligning with current environmental standards. Its small package size makes it suitable for use in compact or densely populated circuit boards. Overall, the LM317EMPX/NOPB offers a cost-effective solution for adjustable voltage regulation in a wide array of electronic applications.

Features

The LM317EMPX/NOPB is a versatile, adjustable three-terminal voltage regulator designed to provide a stable output voltage ranging from 1.25V to 37V with a load current capability of up to 1.5A. Key features include:
1. Output Voltage Range: Adjustable from 1.25V to 37V.
2. Load Regulation: High performance with typically 0.1% output voltage change for a 10mA to 1.5A load variation.
3. Line Regulation: Excellent line regulation typically 0.01%/V.
4. Thermal Overload Protection: Protects the device from excessive temperature rise.
5. Current Limit Protection: Prevents damage due to excessive current draw.
6. Safe Area Protection: Provides operational safety by limiting the power dissipation.
7. Package: Available in SOT-223 for compact and efficient board utilization.
8. Temperature Range: Designed to operate in a wide temperature range, suitable for various applications.
These features make the LM317EMPX/NOPB suitable for applications requiring a reliable and adjustable voltage source, such as power supplies, battery chargers, and other electronic circuits needing precise voltage regulation.

Package

The LM317EMPX/NOPB is a voltage regulator in a SOT-223 package. This surface-mount package is commonly used for its compact size and efficient thermal performance, suitable for applications requiring a small footprint.

Pinout

The LM317EMPX/NOPB is a three-terminal adjustable voltage regulator. It comes in a surface-mount SOT-223 package. The pin count for this package is three, and the functions of each pin are as follows:
1. Input (Pin 1): This pin is connected to the unregulated DC voltage that you want to regulate. It accepts input voltage typically higher than the desired output voltage.
2. Output (Pin 2): This pin provides the regulated output voltage. The output voltage can be adjusted using external resistors.
3. Adjust (Pin 3): This pin is used to set the output voltage. By connecting a resistor between the adjust pin and the output pin, and another resistor between the adjust pin and ground, the output voltage can be set using the formula: \( V_{\text{out}} = V_{\text{ref}} \times (1 + \frac{R_2}{R_1}) + I_{\text{adj}} \times R_2 \).
The LM317 is capable of delivering output currents in excess of 1.5 A, with an output voltage range of 1.25 V to 37 V. It is widely used in applications requiring a simple and adjustable power supply.

Manufacturer

The LM317EMPX/NOPB is manufactured by Texas Instruments. Texas Instruments is a global semiconductor company that designs and manufactures a wide range of electronic components, including analog and embedded processing chips. The company is known for its innovation and engineering excellence, serving various industries such as automotive, industrial, personal electronics, communications equipment, and enterprise systems. Texas Instruments focuses on developing technologies that help to make electronics more efficient and cost-effective, thereby playing a significant role in shaping modern technological advancements.

Application

The LM317EMPX/NOPB is a versatile linear voltage regulator used in various applications. It is commonly used for power supply circuits where adjustable output voltage is required, such as in battery chargers, variable power supplies, and embedded systems. It can also be found in telecommunications and consumer electronics for voltage regulation and stabilization. Its ability to handle moderate power levels makes it suitable for LED drivers and sensor circuits. Additionally, it is employed in industrial and automotive sectors for customized voltage regulation solutions.

Equivalent

The LM317EMPX/NOPB is a voltage regulator IC. Equivalent products include:
1. L78xx Series - A general replacement for fixed voltage outputs.
2. LM317T - An alternative with adjustable output voltage.
3. NTE956 - A substitute for adjustable voltage regulation.
4. UA78xx Series - Similar functionality with fixed outputs.
Ensure compatibility with your specific application requirements when choosing a replacement.

Versand

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UPS: Versandkosten reichen von $25-$45 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.

TNT: Versandkosten reichen von $25-$65 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.

EMS: Versandkosten reichen von $30-$50 (0.5kg), mit einer geschätzten Lieferzeit von 7-15 Werktagen.

Registrierte Luftpost: Versandkosten sind $ 2- $ 4 (0,1 kg), mit einer geschätzten Lieferzeit von 5-20 Werktagen.

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