DistyParts Icon
L7981TR The STMicroelectronics L7981TR is an adjustable output DC-DC switching regulator. It features a 3A output current and operates with an input voltage range of 4.5V to 28V.
Mfr Part #:

L7981TR

Available from 4 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics L7981TR is an adjustable output DC-DC switching regulator. It features a 3A output current and operates with an input voltage range of 4.5V to 28V.
✓ Total Stock: 22,019 pcs
$ Price Range: $0.16

L7981TR Available from 4 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Fe Components ✓
Non-Authorised Inventory information
8,000 pcs
On Request
8000 pcs On Request 1 On Request On Request On Request On Request On Request
Risen Electronics ✓
Non-Authorised Inventory information
7,000 pcs
On Request
7000 pcs On Request 1 On Request On Request On Request On Request 2026-02-16 21:33:16
Xingangxin ✓
Non-Authorised Inventory information
6,750 pcs
On Request
6750 pcs On Request 1 On Request On Request On Request On Request On Request
Optech Co.,Limited ✓
Non-Authorised Inventory information
269 pcs
On Request
269 pcs On Request 1 On Request On Request 21+ On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

L7981TR 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 Current
Output Type
Output Voltage
SVHC Present
Supplier Device Package
Synchronous Rectifier
Topology
Voltage
View Similar Products (0)

L7981TR Description

Short technical summary and product information.

The L7981TR from STMicroelectronics is a versatile DC-DC switching regulator designed for step-down applications. It offers an adjustable output voltage and can deliver up to 3A of current. The device accepts an input voltage ranging from 4.5V to 28V and operates with a switching frequency between 250kHz and 1MHz.

 

This regulator is suitable for surface mounting, utilizing an 8-VFDFN Exposed Pad package. Its operating temperature range is -40°C to 150°C (TJ), making it robust for various environmental conditions. The L7981TR is a non-synchronous buck converter with a single positive output configuration.

 

Key electrical characteristics include its adjustable output voltage capability, with a minimum configurable voltage of 0.6V up to a maximum of 28V. The component is designed for efficient power management in a compact form factor.

L7981TR Quick Information

Product Type: Voltage Regulator
Canonical Name: L7981TR Voltage Regulator
Subcategory: Voltage Regulator

L7981TR Compliance

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

L7981TR Estimated Pricing

Qty Low High
1+ $0.16 $0.16

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

L7981TR Features

  • Adjustable output DC-DC switching regulator.
  • 3A maximum output current capability.
  • Wide input voltage range: 4.5V to 28V.
  • Switching frequency from 250kHz to 1MHz.
  • Surface mount 8-VFDFN Exposed Pad package.

L7981TR Applications

  • Powering various electronic subsystems.
  • Efficient voltage step-down conversions.
  • Applications requiring adjustable output.
  • Compact power management solutions.

L7981TR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range for the L7981TR?

The input voltage range for the L7981TR is 4.5V to 28V.

What is the maximum output current of the L7981TR?

The L7981TR can deliver a maximum output current of 3A.

What is the adjustable output voltage range for the L7981TR?

The output voltage for the L7981TR is adjustable from 0.6V to 28V.

What is the switching frequency range of the L7981TR?

The switching frequency range for the L7981TR is 250kHz to 1MHz.

What is the operating temperature range for the L7981TR?

The operating temperature range for the L7981TR is -40°C to 150°C (TJ).

What type of package is the L7981TR in?

The L7981TR is available in an 8-VFDFN Exposed Pad package.

How is the L7981TR mounted?

The L7981TR is designed for surface mounting.

Home

Categories