LM337T/NOPB

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LM337T/NOPB

IC REG LIN NEG ADJ 1.5A TO220-3

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Spécifications

Package Bulk
ProductStatus Active
OutputConfiguration Negative
OutputType Adjustable
NumberofRegulators 1
Voltage-Input(Max) -40V
Voltage-Output(Min/Fixed) -1.2V
Voltage-Output(Max) -37V
Current-Output 1.5A
PSRR 77dB (120Hz)
ProtectionFeatures Over Temperature, Short Circuit
OperatingTemperature 0°C ~ 125°C
MountingType Through Hole
Package/Case TO-220-3

Vue d'ensemble

Description

The LM337T/NOPB is a versatile, adjustable negative voltage regulator commonly used in electronic circuits to provide a stable negative output voltage. Manufactured by Texas Instruments, it is part of the LM337 series and is designed to work in conjunction with adjustable positive voltage regulators to provide dual power supplies. The "T" indicates a TO-220 package, which is a standard three-terminal package known for its reliability and ease of use in thermal management.
The device can output a voltage range from -1.2V to -37V with a current capability of up to 1.5A, making it suitable for a variety of applications such as power supply units, battery chargers, and other electronic devices needing regulated negative voltage. The "NOPB" designation signifies that the part is lead-free and RoHS compliant, aligning with environmental safety standards.
Key features include thermal overload protection, short-circuit protection, and safe operating area compensation, which ensure robust and reliable performance under various operating conditions. Its adjustable feature allows for precise voltage regulation by using external resistors, making it a flexible component for electronic design.

Features

The LM337T/NOPB is a versatile voltage regulator known for its adjustable output capabilities. Key features include:
1. Adjustable Output Voltage: It can regulate voltages from -1.2V to -37V, making it suitable for various applications requiring different voltage levels.
2. Current Handling: The device can deliver an output current of up to 1.5A, providing sufficient power for medium-sized circuits.
3. Thermal Regulation: It includes built-in thermal overload protection, ensuring the device shuts down if it overheats, enhancing reliability and safety.
4. Current Limiting: The LM337T/NOPB features current limiting, preventing damage in the event of a short circuit or excessive current draw.
5. Safe Area Protection: This feature helps maintain operation within a safe range, preventing damage due to excessive voltage or current.
6. Minimum External Components: It requires only two external resistors to set the output voltage, simplifying circuit design.
7. Package: Available in a TO-220 package, which provides good heat dissipation and is easy to mount.
These features make the LM337T/NOPB suitable for power supply circuits in various electronic devices and applications.

Package

The LM337T/NOPB is a negative voltage regulator with a TO-220 package type. It is designed for adjustable output voltage and can handle up to 1.5A of current. The TO-220 package is widely used for power components due to its ability to dissipate heat effectively.

Pinout

The LM337T/NOPB is a three-terminal adjustable negative voltage regulator. It has the following pin configuration:
1. Input (Pin 3/1): This is the pin where the unregulated negative input voltage is applied.
2. Output (Pin 2): This pin delivers the regulated negative voltage. The output voltage can be adjusted by using external resistors.
3. Adjust (Pin 1/3): This pin is used to set the output voltage in conjunction with the output pin by using a voltage divider network.
The LM337T/NOPB can provide an output voltage range from -1.2V to -37V, with a typical output current of 1.5A, making it suitable for a variety of power supply applications. It is commonly used in regulated power supplies, variable voltage outputs, and precision current regulators.

Manufacturer

The manufacturer of the LM337T/NOPB is Texas Instruments. Texas Instruments (TI) is an American technology company that designs and manufactures semiconductors and various integrated circuits. It produces a wide range of products that are used in electronics and technological applications, including processors, analog chips, and embedded processors. TI's components are utilized in various industries, including automotive, industrial, personal electronics, and communications equipment. Known for its innovation and extensive portfolio, Texas Instruments is a leading player in the semiconductor industry.

Application

The LM337T/NOPB is a versatile adjustable voltage regulator used in various applications, including power supplies, battery chargers, and regulated dual-supply circuits. It is suitable for use in precision current regulation, voltage regulation in embedded systems, and as a component in laboratory power supplies. Its ability to deliver a stable output voltage in the range of -1.2V to -37V makes it ideal for use in negative voltage regulation applications.

Equivalent

The LM337T/NOPB is a negative voltage regulator. Equivalent products include the L317 by STMicroelectronics, the UA79M33 by Texas Instruments, the NTE956 by NTE Electronics, and the L78S33 by STMicroelectronics. These components perform similar functions but check datasheets for compatibility as they may differ in features like output voltage range, current rating, and package style.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

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