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L5981TR The STMicroelectronics L5981TR is an adjustable 1A step-down buck voltage regulator. It operates with a 2.9V input voltage and is housed in an 8-VFQFPN package.
Mfr Part #:

L5981TR

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics L5981TR is an adjustable 1A step-down buck voltage regulator. It operates with a 2.9V input voltage and is housed in an 8-VFQFPN package.
✓ Total Stock: 48,000 pcs
$ Price Range: $0.16

L5981TR Available from 1 distributor

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✓ Non-Authorised
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48,000 pcs
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L5981TR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Frequency
Function
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Type
Supplier Device Package
Synchronous Rectifier
Topology
Voltage
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L5981TR Description

Short technical summary and product information.

The STMicroelectronics L5981TR is a versatile step-down (buck) voltage regulator designed for efficient power management. This adjustable output device can deliver up to 1A of current, making it suitable for a variety of applications.

 

Key electrical characteristics include a 2.9V input voltage and a wide switching frequency range from 250kHz to 1MHz. The regulator is designed for positive output configurations and features a non-synchronous rectifier.

 

The L5981TR is supplied in an 8-VFQFPN (3x3) package, designed for surface mounting. It operates across a broad temperature range of -40°C to 150°C (TJ), ensuring reliability in demanding environments. The device is RoHS3 compliant and has an MSL rating of 1.

L5981TR Quick Information

Product Type: Voltage Regulator
Series: L5981
Canonical Name: L5981TR Voltage Regulator
Subcategory: DC DC Switching Regulators

L5981TR Compliance

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

L5981TR Estimated Pricing

Qty Low High
1+ $0.16 $0.16

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

L5981TR Features

  • Adjustable 1A step-down buck voltage regulator.
  • Operates from a 2.9V input voltage.
  • Switching frequency from 250kHz to 1MHz.
  • Surface mountable 8-VFQFPN (3x3) package.
  • Wide -40°C to 150°C operating temperature range.

L5981TR Applications

  • Suitable for general-purpose power regulation.
  • Ideal for space-constrained designs.
  • Used in battery-powered devices.
  • Applicable in portable electronics.

L5981TR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating temperature range of the L5981TR?

-40°C to 150°C.

What package options are available for the L5981TR?

8-VFDFN Exposed Pad and supplier device package 8-VFQFPN (3x3).

What is the output current rating of the L5981TR?

1A.

What is the input voltage requirement for the L5981TR?

2.9V.

What is the switching frequency range of the L5981TR?

250kHz to 1MHz.

Is the output voltage of the L5981TR adjustable?

Yes, the output type is adjustable.

What topology does the L5981TR use?

Buck (step-down).

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