LM337BD2TR4G

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LM337BD2TR4G

IC REG LIN NEG ADJ 1.5A D2PAK-3

  • Manufacturer
  • Mfr. Part #LM337BD2TR4G
  • Package TO-263-3
  • Datasheet
  • In Stock4974

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Specifications

Package Tape & Reel (TR),Cut Tape (CT),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
Current-Quiescent(Iq) 6 mA
Current-Supply(Max) 10 mA
PSRR 77dB (120Hz)
ProtectionFeatures Over Current, Over Temperature
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case TO-263-3, D²Pak (2 Leads + Tab), TO-263AB

Overview

Description

The LM337BD2TR4G is a popular adjustable negative voltage regulator, designed to provide a stable output voltage that is adjustable from -1.2V to -37V, with a maximum output current of 1.5A. Manufactured by ON Semiconductor, this component is typically used in various electronics applications requiring a negative voltage rail.
Key features include thermal regulation, current limiting, and safe area protection, ensuring reliable operation even under fault conditions. It is also equipped with internal thermal overload protection to prevent damage due to excessive heat. The TO-263 D²PAK surface-mount package facilitates efficient heat dissipation and compact design, making it suitable for high-density circuit boards.
The LM337BD2TR4G is commonly used in power supplies, operational amplifier circuits, and any application requiring a stable negative voltage source. Its ability to provide a wide range of output voltages with minimal external components makes it versatile and easy to integrate into existing designs.

Features

The LM337BD2TR4G is a negative voltage regulator with the following features:
1. Output Voltage Range: Adjustable from -1.2V to -37V, providing flexibility for various applications.
2. Output Current: Capable of delivering up to 1.5A of output current.
3. Thermal Overload Protection: Built-in protection against overheating, ensuring reliability and safety.
4. Short-Circuit Protection: Guards against excessive current by limiting output during short-circuit conditions.
5. Safe Operating Area Protection: Ensures the device operates within safe limits, preventing damage under extreme conditions.
6. Low Noise: Designed to offer low output noise, enhancing performance in sensitive applications.
7. High Ripple Rejection: Offers high rejection of input voltage variations, maintaining stable output voltage.
8. TO-263 Package: Available in a surface-mount package for ease of use in circuit board designs.
These features make the LM337BD2TR4G suitable for a variety of applications requiring negative voltage regulation with robust protection mechanisms.

Package

The LM337BD2TR4G is a linear voltage regulator packaged in a D2PAK-3 (also known as TO-263-3) surface-mount package. This type of package is commonly used for power components and provides efficient thermal dissipation, making it suitable for applications requiring robust power management.

Pinout

The LM337BD2TR4G is a three-terminal adjustable negative voltage regulator. It has a typical pin count of 3, which are:
1. Input (Vin): This is where the unregulated negative input voltage is applied.
2. Output (Vout): This pin provides the regulated output voltage that can be adjusted from -1.2V to -37V, depending on the external resistor configuration.
3. Adjust (Adj): This pin is used to set the output voltage. By connecting it to a resistor network, the output voltage can be adjusted across the specified range.
The LM337BD2TR4G is commonly used in applications requiring a stable and adjustable negative output voltage, such as in power supplies and voltage regulation circuits.

Manufacturer

The LM337BD2TR4G is manufactured by ON Semiconductor, a company known for designing and producing semiconductor components. ON Semiconductor specializes in power and signal management, logic, discrete, and custom devices. They cater to a variety of markets including automotive, communications, computing, consumer electronics, industrial, LED lighting, medical, and military/aerospace.

Application

The LM337BD2TR4G is a negative voltage regulator commonly used in power management applications. Its application areas include adjustable power supplies, battery chargers, and constant current regulators. It is ideal for use in systems requiring stable and adjustable negative voltage supply, such as in telecommunications, industrial equipment, and consumer electronics. Its ability to provide a regulated output voltage and current makes it suitable for driving loads in various electronic circuits.

Equivalent

Equivalent products to the LM337BD2TR4G, a negative adjustable voltage regulator, include:
1. LM337 by Texas Instruments
2. L78S33 by STMicroelectronics
3. NTE956 by NTE Electronics
4. KA337 by ON Semiconductor
5. UA79L33 by Fairchild Semiconductor
These alternatives generally offer similar functionality and specifications but might vary slightly in terms of package, input voltage range, or current capacity. Always check the datasheets for compatibility with your specific application.

Shipping

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UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

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