DistyParts Icon
L7981 The STMicroelectronics L7981 is an adjustable 3A step-down DC-DC switching regulator. It features a surface mount package and operates over a wide temperature range.
Mfr Part #:

L7981

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics L7981 is an adjustable 3A step-down DC-DC switching regulator. It features a surface mount package and operates over a wide temperature range.
✓ Total Stock: 2,300 pcs
$ Price Range: $0.16

L7981 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Chanetech ✓
Non-Authorised Inventory information
2,300 pcs
On Request
2300 pcs On Request 1 On Request On Request On Request 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.

L7981 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
Package / Case
SVHC Present
Supplier Device Package
Synchronous Rectifier
Topology
Voltage
View Similar Products (0)

L7981 Description

Short technical summary and product information.

The STMicroelectronics L7981 is an integrated circuit designed for DC-DC power conversion. This adjustable step-down (buck) regulator can deliver up to 3A of current, making it suitable for various power management applications.

 

Key electrical specifications include an operating voltage range starting at 4.5V and a switching frequency adjustable between 250kHz and 1MHz. The device offers a single positive output configuration and operates as a non-synchronous rectifier.

 

Packaged in an 8-VFQFPN (3x3) with an exposed pad, the L7981 is designed for surface mounting. It operates across a wide temperature range of -40°C to 150°C (TJ), ensuring reliability in demanding environments.

L7981 Quick Information

Product Type: Voltage Regulator
Canonical Name: L7981 Adjustable Step-Down Switching Regulator
Subcategory: Voltage Regulator

L7981 Compliance

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

L7981 Estimated Pricing

Qty Low High
1+ $0.16 $0.16

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

L7981 Features

  • Adjustable 3A step-down DC-DC regulator.
  • Wide operating voltage from 4.5V.
  • Switching frequency 250kHz to 1MHz.
  • Surface mount 8-VFQFPN (3x3) package.
  • Operates from -40°C to 150°C.

L7981 Applications

  • Powering embedded systems.
  • DC-DC conversion applications.
  • Battery-powered devices.
  • Portable electronics power.
  • Industrial control systems.

L7981 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage of the L7981?

The operating voltage is 4.5V.

What is the output current rating of the L7981?

The output current is rated up to 3A.

What switching frequency range does the L7981 support?

The switching frequency range is 250kHz to 1MHz.

What is the package type of the L7981?

The L7981 is available in an 8-VFDFN exposed pad package, also listed as 8-VFQFPN (3x3).

What is the operating temperature range?

The junction temperature operating range is -40°C to 150°C.

Is the output voltage adjustable?

Yes, the L7981 has an adjustable positive output configuration.

What topology does the L7981 use?

The L7981 uses step-down (buck) topology.

Home

Categories