LM337BTG

LDO Regulator Neg -1.2V to -37V 0.4A 3-Pin(3+Tab) TO-220 Tube
5,409 Effective Inventory

LM337BTG

Effective Inventory5,409

LDO Regulator Neg -1.2V to -37V 0.4A 3-Pin(3+Tab) TO-220 Tube

  • Manufacturer Part # : LM337BTG

  • Package/Case: TO220-3

  • Brand: Onsemi

  • Product Categories : Voltage Regulators - Linear, Low Drop Out (LDO) Regulators

Quality Assurance

Quality Assurance

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Certification

We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.

Shipping & Payment

Shipping & Payment

About Shipping

We generally ship orders within a few business days through reliable shipping carriers such as FedEx, SF, UPS, or DHL. We also have support for other shipping methods. If you would like to inquire about specific shipping details or costs, please don't hesitate to reach out to us.

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Service & Packaging

Service & Packaging

About After Sales Service

All Parts Extended Quality Guarantee

Initiate the application within 90 days from the shipment date.

Confirm the return or exchange with our staff.

Maintain the goods in their original condition as received.

Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]

About packaging

Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.

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LM337BTG DataSheet
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Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!

Rapid Quote

Please submit RFQ for LM337BTG or email to us: Email: [email protected], we will contact you in 12 hours.

Details

The LM337BTG is a versatile and user-friendly 3-terminal negative linear voltage regulator designed to provide adjustable output voltage ranging from -1.2V to -37V. This high-performance regulator requires only two external resistors to set the desired output voltage, offering exceptional ease of use. It incorporates internal current limiting, thermal shutdown, and safe area compensation features, making it essentially blow-out proof and suitable for a wide range of applications, including local on-card regulation and programmable output regulation. Furthermore, by connecting a fixed resistor between the adjustment and output, the LM337BTG can function as a precision current regulator, adding to its flexibility. With a capability of supplying in excess of 1.5A of current, this linear voltage regulator is a reliable and efficient solution for demanding voltage regulation needs in electronic systems

Key Features

  • Pb-Free Packages Available for Lead-Free Applications
  • Compact Design and Low Power Consumption
  • Wide Input Operating Voltage Range (9-40V)

Application

  • Industrial
  • Power Management

Specifications

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

Status Active CAD Models
Compliance PbAHP Package Type TO-220-3
Case Outline 221AB MSL Type NA
MSL Temp (°C) 0 Container Type TUBE
Container Qty. 50 ON Target N
Output Single Polarity Negative
VO (V) Adj IO Typ (A) 1.5
VI Min (V) 2.9 VI Max (V) -40
VDO Typ (V) 2.5 PSRR (dB) 77
Enable No PowerGood No
Application Industrial Pricing ($/Unit) $0.3415

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification LM337BTG PDF Download

FAQs

What is LM337BTG?

The LM337BTG is a three-terminal adjustable negative voltage regulator integrated circuit (IC) manufactured by Texas Instruments. It is designed to provide a stable and adjustable negative voltage output, making it suitable for various applications such as power supplies, voltage regulators, and voltage references.

How Does LM337BTG Work?

The LM337BTG operates as a negative voltage regulator by adjusting the output voltage level based on the reference voltage and resistor values. It regulates the output voltage relative to the input voltage and the resistor values connected to the adjustment pin. By adjusting the resistors, the output voltage can be set to the desired level within the specified range.

How Many Pins does LM337BTG have and What are the Functions of the Pinout Configuration?

The LM337BTG is housed in a 3-pin TO-252 package. The pinout configuration includes:

  • Input (VIN): Input voltage pin.
  • Output (VOUT): Regulated negative output voltage pin.
  • Adjust (ADJ): Adjustment pin for setting the output voltage.

What are the Pros and Cons of LM337BTG?

Pros:

  • Adjustable Output: Allows precise negative voltage regulation for custom requirements.
  • Short Circuit Protection: Provides protection against short circuits, enhancing device reliability.
  • Thermal Shutdown: Includes thermal shutdown feature to prevent overheating.
  • Cost-Effective: Provides a cost-effective solution for obtaining regulated negative voltages.
  • Compact Size: The TO-252 package offers a compact size suitable for space-constrained applications.

Cons:

  • Heat Dissipation: May require a heatsink for efficient heat dissipation, especially at higher currents.
  • Power Dissipation: Can generate significant power dissipation during voltage regulation.
  • External Components: Requires external capacitors and resistors for proper operation and stability.

Are There Any Equivalents/Alternatives to LM337BTG for Recommendation?

  • The LM7905 from Texas Instruments is a fixed negative voltage regulator similar to the LM337BTG.
  • Alternatives to the LM337BTG include the LT1963A from Analog Devices and the MIC29302 from Microchip Technology.

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