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LM337LZ The Texas Instruments LM337LZ is a 100mA negative adjustable linear voltage regulator. It offers an output voltage range from -1.2V to -37V and operates within a -40V to -4.2V input range.
Mfr Part #:

LM337LZ

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments LM337LZ is a 100mA negative adjustable linear voltage regulator. It offers an output voltage range from -1.2V to -37V and operates within a -40V to -4.2V input range.
✓ Total Stock: 1,126 pcs
$ Price Range: $0.28

LM337LZ Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Xingangxin ✓
Non-Authorised Inventory information
1,124 pcs
On Request
1124 pcs On Request 1 On Request On Request On Request On Request On Request
Partservice ✓
Non-Authorised Inventory information
2 pcs
On Request
2 pcs On Request 1 On Request On Request On Request On Request On Request
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LM337LZ Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Accuracy
Current
Mounting Type
Noise
Number of Regulators
Operating Temperature
Output Configuration
Output Type
PSRR
Protection Features
Supplier Device Package
Voltage
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LM337LZ Description

Short technical summary and product information.

The LM337LZ from Texas Instruments is a versatile 3-pin negative adjustable linear voltage regulator designed to supply up to 100 mA of current. It allows for an adjustable output voltage ranging from -1.2V to -37V, making it suitable for a wide array of power management applications. The device accepts an input voltage range of -40V to -4.2V.

 

Key electrical characteristics include a typical noise level of 38 µVrms and a PSRR of 80dB to 65dB at 120Hz. The regulator features built-in protection mechanisms such as over current, over temperature, and short circuit protection, ensuring reliable operation. Its typical quiescent current is 50 µA.

 

Packaged in a standard TO-92-3 (TO-226-3) through-hole package, the LM337LZ is easy to integrate into existing designs. The operating temperature range is specified from -25°C to 125°C (TJ). This adjustable regulator simplifies power supply designs by requiring only two external resistors to set the output voltage, offering better line and load regulation than fixed regulators.

LM337LZ Quick Information

Product Type: Linear Voltage Regulator
Canonical Name: LM337L Negative Adjustable Linear Voltage Regulator
Subcategory: Adjustable Negative Voltage Regulator

LM337LZ Compliance

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

LM337LZ Estimated Pricing

Qty Low High
1+ $0.28 $0.28

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

LM337LZ Features

  • Adjustable negative output voltage.
  • Ensured 100-mA output current.
  • Standard 3-pin transistor package.
  • Full overload protection included.
  • Operates from -25°C to 125°C.

LM337LZ Applications

  • Used in adjustable negative power supplies.
  • Suitable for battery charging circuits.
  • Ideal for general-purpose regulation.
  • Applicable in test and measurement equipment.

LM337LZ FAQs

5 frequently asked questions generated from this part’s specifications.
What is the adjustable output voltage range for the LM337LZ?

The output voltage can be adjusted from -1.2V to -37V.

What is the maximum output current of the LM337LZ?

The LM337LZ can supply a maximum output current of 100 mA.

What is the operating temperature range for the LM337LZ?

The operating temperature range is -25°C to 125°C.

What protection features are included in the LM337LZ?

The LM337LZ includes over current, over temperature, and short circuit protection.

What package type is the LM337LZ supplied in?

The LM337LZ is supplied in a TO-92-3 package for through-hole mounting.

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