LM337LMX

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LM337LMX

IC REG LIN NEG ADJ 100MA 8SOIC

  • Fabricante
  • Mfr. Parte #LM337LMX
  • Paquete SOIC (D)-8
  • Hoja de datos
  • En stock4774

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Especificaciones

Package Tape & Reel (TR),Cut Tape (CT),Bulk
ProductStatus Not For New Designs
OutputConfiguration Negative
OutputType Adjustable
NumberofRegulators 1
Voltage-Input(Max) -40V
Voltage-Output(Min/Fixed) -1.2V
Voltage-Output(Max) -37V
Current-Output 100mA
PSRR 60dB (120Hz)
ProtectionFeatures Over Temperature, Short Circuit
OperatingTemperature -25°C ~ 125°C
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Descripción general

Description

The LM337LMX is a popular adjustable voltage regulator designed to provide a stable output voltage for electronic circuits. It is part of the LM337 series, which is known for its reliability and ease of use in power supply applications. The LM337LMX can output a voltage range from -1.25V to -37V, making it suitable for a variety of negative voltage regulation applications.
Key features of the LM337LMX include its capability to deliver up to 1.5A of load current, thermal overload protection, and short-circuit protection, ensuring durability and safety during operation. The device requires only two external resistors to set the desired output voltage, which simplifies circuit design. Its TO-220 or TO-252 package options provide flexibility for different mounting requirements.
This regulator is commonly used in power supply circuits for electronic devices, test equipment, and other applications requiring a stable negative voltage output. Its versatility and robust protection features make it a preferred choice for engineers and hobbyists alike.

Features

The LM337LMX is an adjustable three-terminal negative voltage regulator capable of supplying -1.5V to -37V output voltage range with a maximum output current of 500 mA. Key features include:
1. Adjustable Output: Allows fine-tuning of the output voltage to suit specific applications.
2. Current Capability: Can deliver up to 500 mA of output current.
3. Thermal Overload Protection: Safeguards the device against overheating.
4. Short-Circuit Protection: Protects against damage due to short circuits.
5. Safe Operating Area Protection: Ensures the device operates within safe limits.
6. Low Quiescent Current: Efficiently uses power, reducing wasted energy.
7. Line and Load Regulation: Provides stable output with changes in input voltage and load.
These features make the LM337LMX suitable for various applications that require stable and adjustable negative voltage, such as power supply designs for electronic devices.

Package

The LM337LMX is a negative voltage regulator available in a surface-mount package, specifically the TO-252 (DPAK) package. This package is suitable for applications requiring efficient thermal performance and space-saving design.

Pinout

The LM337LMX is a three-terminal adjustable negative voltage regulator. It typically comes in a TO-220 package, but the "LMX" suffix indicates it is in a TO-263 surface-mount package. This device is used for negative voltage regulation applications, providing an output voltage that can be adjusted from -1.2V to -37V with a current output capability of 1.5A.
The pin count for the LM337LMX is three, and the functions of these pins are as follows:
1. Input (Vin): This pin receives the unregulated negative voltage input.
2. Output (Vout): This pin provides the regulated output voltage, which can be adjusted using external resistors.
3. Adjust (Adj): This pin is used to set the output voltage level by connecting it to a resistor divider network.
By varying the resistance connected to the Adjust pin, you can set the desired output voltage within the specified range. This makes the LM337LMX suitable for a variety of applications requiring a stable negative voltage supply.

Manufacturer

The LM337LMX is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide array of analog and embedded processing chips. TI is known for its innovation in the technology sector, providing solutions for industrial, automotive, personal electronics, communications equipment, and enterprise systems. The company is headquartered in Dallas, Texas, and has a strong global presence with manufacturing, design, and sales operations worldwide. TI is recognized for its commitment to quality, reliability, and customer support, making it a leading player in the semiconductor industry.

Application

The LM337LMX is a versatile adjustable negative voltage regulator used across various applications. It is commonly employed for power supply regulation in consumer electronics, industrial equipment, and communication devices. It can also be used in battery charging systems, operational amplifier circuits, and other applications that require a stable negative voltage output. Its ability to maintain a constant output voltage makes it ideal for precision circuits and systems needing reliable voltage regulation.

Equivalent

Equivalent products to the LM337LMX, a negative adjustable voltage regulator, include the LM337 series from other manufacturers, such as the L7915CV, KA337, and L200. These components serve similar functions in regulating negative voltage outputs. Always check the datasheets for compatibility in terms of voltage range, current capacity, and other specifications.

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