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LM337IMPX

Available in tape and reel packaging

Inventory:7,662

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Overview of LM337IMPX

The LM337IMPX is an adjustable negative voltage regulator IC capable of providing output voltages ranging from -1.2V to -37V. It is designed to accept input voltages up to -40V and deliver currents up to 1.5A, making it suitable for various voltage regulation applications.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • Adjust: Adjust pin for setting the output voltage.
  • Input: Input voltage pin.
  • Output: Regulated output voltage.
  • GND: Ground connection.

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the LM337IMPX IC for a visual representation.

Key Features

  • Adjustable Voltage Regulator: Allows for adjustable output voltages from -1.2V to -37V.
  • High Output Current: Capable of delivering up to 1.5A of output current.
  • Wide Input Voltage Range: Accepts input voltages up to -40V.
  • Thermal Shutdown and Current Limiting Protection: Includes thermal shutdown and current limiting features for enhanced reliability.
  • Compact Package: Available in a space-saving TO-220 package.

Note: For detailed technical specifications, please refer to the LM337IMPX datasheet.

Application

  • Power Supply Regulation: Ideal for regulating negative power supplies in various electronic circuits.
  • Voltage Conversion: Used for converting higher negative voltages to lower regulated voltages.
  • Electronic Projects: Suitable for DIY electronics projects requiring negative voltage regulation.

Functionality

The LM337IMPX is an adjustable negative voltage regulator IC that provides stable and reliable output voltages across a wide range of applications.

Usage Guide

  • Adjustment: Connect the adjust pin to set the desired output voltage using external resistors.
  • Input and Output: Connect the input pin to the input voltage source and the output pin to the load requiring regulated voltage.
  • Heat Dissipation: Ensure adequate heat sinking for efficient operation, especially when delivering higher currents.

Frequently Asked Questions

Q: What is the maximum output current of the LM337IMPX?
A: The LM337IMPX can deliver up to 1.5A of output current, depending on the thermal and voltage conditions.

Q: Can the LM337IMPX regulate positive voltages?
A: No, the LM337IMPX is specifically designed for regulating negative voltages.

Equivalent

For similar functionalities, consider these alternatives to the LM337IMPX:

  • LM337T: A through-hole version of the LM337IMPX with similar specifications.
  • LT137A: A precision adjustable negative voltage regulator offering enhanced performance and features.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Output options Adjustable Output Iout (max) (A) 1.5
Vin (max) (V) -4.2 Vin (min) (V) -40
Vout (max) (V) -1.2 Vout (min) (V) -37
Noise (µVrms) 38 Iq (typ) (mA) 0.065
Thermal resistance θJA (°C/W) 23 Rating Catalog
Load capacitance (min) (µF) 1 Regulated outputs (#) 1
Accuracy (%) 2.4 PSRR at 100 KHz (dB) 35
Dropout voltage (Vdo) (typ) (mV) 2400 Operating temperature range (°C) -40 to 125, 0 to 125

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Warranty, Returns, and Additional Information

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LM337IMPX

Available in tape and reel packaging

Inventory:

7,662