LM337KVURG3

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LM337KVURG3

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IC REG LIN NEG ADJ 1.5A TO252-3

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Attribut Wert
Package Tape & Reel (TR),Cut Tape (CT)
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 Surface Mount
Package/Case TO-252-3, DPak (2 Leads + Tab), SC-63

Übersicht

Description

The LM337KVURG3 is a versatile, adjustable negative voltage regulator. It is designed to provide a stable output voltage that can be adjusted between -1.2V and -37V, making it suitable for a wide range of applications. This component is commonly used in power supply systems where negative voltage regulation is required. It can deliver a load current of up to 1.5A, depending on the difference between the input and output voltages and the heatsink used.
The device features thermal overload protection and current limiting to prevent damage under fault conditions. It also has a safe area protection to ensure reliable operation. The LM337KVURG3 is typically used in conjunction with fixed positive voltage regulators to provide dual power supplies, or in applications requiring a negative adjustable power supply. It comes in a TO-220 package, making it easy to mount on a PCB or heatsink.
Overall, the LM337KVURG3 is valued for its robustness, flexibility, and ease of use in electronic circuit designs requiring negative voltage regulation.

Equivalent

The LM337KVURG3 is a voltage regulator, and equivalent products include:
1. LM337T - Another version of the LM337 series from various manufacturers.
2. LM337K - Similar specifications with different packaging or voltage tolerance.
3. MC7912CT - From ON Semiconductor; similar functionality.
4. UA79M12C - Texas Instruments' offering with comparable characteristics.
5. L7912CV - From STMicroelectronics, serving similar regulatory purposes.
Always verify electrical specifications and pin configurations to ensure compatibility.

Features

The LM337KVURG3 is a three-terminal adjustable negative voltage regulator. Key features include:
1. Output Voltage Range: Adjustable from -1.2V to -37V, allowing for flexibility in output settings.
2. Output Current: Capable of delivering over 1.5A of output current with adequate heat sinking.
3. Line Regulation: Typically 0.01%/V, ensuring stable output across varying input voltages.
4. Load Regulation: Approximately 0.3%, maintaining consistent output under different load conditions.
5. Thermal Overload Protection: Protects the device from overheating.
6. Short-Circuit Protection: Safeguards against excessive current scenarios.
7. Safe Area Protection: Prevents the device from operating outside its safe operating area.
8. Temperature Range: Operates effectively over a wide temperature range, typically from 0°C to 125°C.
This regulator is suitable for various applications requiring stable negative voltage, including power supply circuits and battery chargers. Its robust protection features enhance reliability in diverse environments.

Pinout

The LM337KVURG3 is a three-terminal adjustable negative voltage regulator. It has a total of 3 pins. The pin functions are as follows:
1. Input (Vin): This pin is where the unregulated negative voltage is applied. It is the connection point for the input voltage that you wish to regulate.
2. Output (Vout): This pin provides the regulated output voltage. The output voltage is adjustable and can be set using external resistors.
3. Adjustment (Adj): This pin allows for the adjustment of the output voltage. By connecting resistors between this pin and the output and ground, you can set the desired output voltage.
The LM337 is commonly used to regulate and provide a precise negative output voltage from a higher voltage input. Its versatility and ease of use make it a popular choice in various electronic applications.

Manufacturer

The LM337KVURG3 is manufactured by Texas Instruments. Texas Instruments, commonly referred to as TI, is an American technology company that designs and manufactures semiconductors and various integrated circuits. They are one of the largest producers of analog technology components, as well as digital signal processors and microcontrollers. Based in Dallas, Texas, TI serves various industries including automotive, industrial, and consumer electronics, contributing significantly to advancements in electronic devices and systems.

Application

The LM337KVURG3 is a voltage regulator integrated circuit used primarily for applications that require adjustable negative voltage regulation. Its key application areas include:
1. Power Supply Design: Used in creating adjustable power supplies for electronic circuits.
2. Battery Chargers: Helps maintain consistent voltage levels in battery charging applications.
3. Telecommunications: Regulates power in telecom equipment to ensure reliable performance.
4. Industrial Equipment: Used in machinery requiring stable voltage regulation.
5. Consumer Electronics: Implemented in devices needing compact voltage regulation solutions.
Its versatility and reliability make it suitable for various electronic and electrical engineering applications requiring customized negative voltage output.

Package

The LM337KVURG3 is a negative voltage regulator in a TO-220 package. This package type is commonly used for power semiconductor devices and provides a means to securely mount the component to a heat sink, allowing for effective thermal management. The TO-220 package is characterized by a metal tab for heat dissipation and three leads for electrical connections.

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