LM337K The STMicroelectronics LM337K is an adjustable negative voltage regulator. It provides a guaranteed output current of 1.5A and an adjustable output voltage down to -37V.
Mfr Part #:

LM337K

Available from 2 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics LM337K is an adjustable negative voltage regulator. It provides a guaranteed output current of 1.5A and an adjustable output voltage down to -37V.
Total Stock: 8,788 pcs
$ Price Range: $0.30

LM337K Available from 2 distributors

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Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
8,777 pcs
8777 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
11 pcs
11 pcs On Request 1 On Request On Request On Request On Request On Request

LM337K Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Mounting Type
Number of Regulators
Operating Temperature
Output Configuration
Output Type
PSRR
Protection Features
Supplier Device Package
Tape & Reel
Temperature Coefficient
Voltage

LM337K Description

Short technical summary and product information.

The STMicroelectronics LM337K is a versatile three-terminal adjustable negative voltage regulator. It is designed to supply in excess of 1.5 A over a -1.2 V to -37 V output voltage range. This regulator is easy to use, requiring only two external resistors to set the output voltage.

 

Key electrical specifications include a typical load regulation of 0.3%/V and a typical line regulation of 0.01%/V. It also features a ripple rejection of 77 dB and protection circuitry for current limiting and thermal overload. The device operates within a temperature range of 0°C to 125°C.

 

Packaged in a TO-3 (TO-204AA) through-hole package, the LM337K is suitable for various power supply applications where adjustable negative voltage regulation is required. Its robust design includes features like constant current limiting and thermal shutdown, ensuring reliable operation.

LM337K Quick Information

Product Type: Voltage Regulator
Canonical Name: LM337K Adjustable Negative Voltage Regulator
Subcategory: Linear Voltage Regulator

LM337K Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

LM337K Estimated Pricing

Qty Low High
1+ $0.30 $0.30

Estimated market price range - modelled values for guidance only, not live distributor offers.

LM337K Features

  • Adjustable negative voltage regulator.
  • 1.5A guaranteed output current.
  • Output voltage adjustable down to -37V.
  • TO-3 through-hole package.
  • Over current and over temperature protection.

LM337K Applications

  • Used in negative power supply circuits
  • Suitable for industrial control systems
  • Ideal for audio equipment power regulation
  • Supports precision voltage regulation

LM337K FAQs

5 frequently asked questions generated from this part’s specifications.
What is the output voltage range for the LM337K?

The output voltage is adjustable from -1.2V to -37V.

What is the maximum output current for the LM337K?

The LM337K has a guaranteed output current of 1.5A.

What is the operating temperature range of the LM337K?

The operating temperature range is 0°C to 125°C.

What type of package is the LM337K supplied in?

The LM337K is supplied in a TO-3 package.

Does the LM337K have over-temperature protection?

Yes, the LM337K includes over-temperature protection.

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