LM337IMP/NOPB

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LM337IMP/NOPB

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IC REG LIN NEG ADJ 1.5A SOT223-4

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Spezifikationen

Attribut Wert
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 60dB (120Hz)
ProtectionFeatures Over Temperature, Short Circuit
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case TO-261-4, TO-261AA

Übersicht

Description

The LM337IMP/NOPB is a popular adjustable negative voltage regulator designed by Texas Instruments. It offers a versatile solution for power supply applications requiring a regulated output voltage between -1.25V and -37V. This component is capable of delivering up to 1.5A of current, making it suitable for a wide range of low to medium power applications.
The LM337 features internal current limiting, thermal shutdown, and safe area compensation, which enhance its reliability and protect it against overload conditions. Its TO-252 (DPAK) package allows for efficient heat dissipation, crucial for maintaining performance stability in compact designs. The adjustable output is achieved through the use of external resistors, enabling precise voltage setting tailored to specific needs.
Applications for the LM337IMP/NOPB include power supplies for operational amplifiers, analog circuits, and other devices requiring negative voltage. Its ease of use, combined with robust performance and protection features, make it an ideal choice for both hobbyists and professional engineers working on power regulation projects.

Equivalent

The LM337IMP/NOPB is a negative voltage regulator. Equivalent products include the LM337 series from other manufacturers like ON Semiconductor's LM337, Fairchild's LM337, and STMicroelectronics' L79 series such as the L7912 or L7915, depending on the output voltage. Other equivalents might include Texas Instruments' own variations of the LM337 like the LM337T/NOPB. Always verify specifications to ensure compatibility with your application.

Features

The LM337IMP/NOPB is a negative adjustable voltage regulator capable of supplying up to 1.5A of output current with an output voltage range of -1.2V to -37V. Key features include:
1. Adjustable Output: The voltage can be easily set using two external resistors.
2. Current Capability: Capable of providing up to 1.5A with proper heat sinking.
3. Thermal Regulation: Incorporates thermal overload protection to guard against overheating.
4. Safe Operating Area Protection: Ensures device safety under all operating conditions.
5. Low-Noise Operation: Provides stable and low-noise output for sensitive applications.
6. High Ripple Rejection: Offers high ripple rejection for better performance in noisy environments.
7. Short-Circuit Protection: Protects against short-circuit conditions.
8. Wide Input Voltage Range: Suitable for various power supply needs.
These features make the LM337IMP/NOPB suitable for a wide range of applications including power supply regulation in industrial, communication, and consumer electronics.

Pinout

The LM337IMP/NOPB is a three-terminal adjustable negative voltage regulator. The key specifications of this component are as follows:
- Pin Count: 3 pins
- Function: It is designed to provide a negative output voltage from a higher negative input voltage. The output voltage is adjustable and can range from -1.2V to -37V, depending on the resistor configuration.
Pin Functions:
1. Input (IN): This pin receives the negative input voltage.
2. Output (OUT): The regulated negative output voltage is provided on this pin.
3. Adjust (ADJ): This pin is used to adjust the output voltage. By connecting resistors between the Output and Adjust pins, and from the Adjust pin to ground, the output voltage can be set according to the desired level.
This component is commonly used in applications requiring negative voltage regulation with good load and line regulation characteristics.

Manufacturer

The LM337IMP/NOPB is manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company that designs and manufactures semiconductors and various integrated circuits, which it sells to electronics designers and manufacturers globally. TI is a major player in the semiconductor industry and is known for its focus on analog chips and embedded processors, which are used in a wide range of applications including automotive, industrial, personal electronics, and communications equipment. The company is renowned for its innovation and extensive product portfolio, which includes power management solutions, amplifiers, data converters, and numerous other semiconductor devices.

Application

The LM337IMP/NOPB is a versatile negative voltage regulator used in various applications. It can be used for adjustable power supplies, local on-card regulation, and as a component in precision voltage and current regulation systems. It is also suitable for use in battery-operated devices, post-regulation of switching power supplies, and general-purpose negative voltage regulation in electronic circuits. Its ability to sustain current loads and maintain stability makes it ideal for use in audio equipment, communication devices, and instrumentation.

Package

The LM337IMP/NOPB is a negative voltage regulator from Texas Instruments. It typically comes in a SOT-223 package, which is a small, surface-mount package suitable for applications requiring efficient use of board space.

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