Mfr Part #:

L7986ATR

The STMicroelectronics L7986ATR is an adjustable DC-DC switching regulator designed for step-down applications. It offers a 3A current capability and operates from a 4.5V input voltage.

✓ Total Stock: 15,634 pcs

$ Price Range: $0.16

L7986ATR Available from 5 distributors

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Risen Electronics ✓ Non-Authorised Inventory information	6,000 pcs On Request	6000 pcs	On Request	1	On Request	On Request	On Request	On Request	2026-02-16 21:33:16
Romaks Technologies ✓ Non-Authorised Inventory information	4,460 pcs On Request	4460 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request
Fe Components ✓ Non-Authorised Inventory information	2,500 pcs On Request	2500 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request
Xingangxin ✓ Non-Authorised Inventory information	1,638 pcs On Request	1638 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request
Optech Co.,Limited ✓ Non-Authorised Inventory information	1,036 pcs On Request	1036 pcs	On Request	1	On Request	On Request	21+	On Request	On Request

L7986ATR Description

Short technical summary and product information.

The STMicroelectronics L7986ATR is a versatile DC-DC switching regulator belonging to the buck topology. This adjustable regulator is designed for step-down voltage conversion, providing a reliable solution for power management in various electronic systems.

Key electrical characteristics include a maximum output current of 3A and an input voltage range starting at 4.5V. The switching frequency can be adjusted between 250kHz and 1MHz, allowing for flexibility in design and component selection. The device features a single positive output configuration and operates without a synchronous rectifier.

Packaged in an 8-HSOP and designed for surface mounting, the L7986ATR is suitable for compact PCB designs. Its operating temperature range spans from -40°C to 150°C (TJ), ensuring performance in demanding environments. The component is specified with RoHS3 compliance and an MSL 1 rating.

L7986ATR Quick Information

Product Type: DC DC Switching Regulator

Canonical Name: L7986ATR Adjustable Buck Switching Regulator

Subcategory: DC-DC Switching Regulator

L7986ATR Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

L7986ATR Estimated Pricing

Qty	Low	High
1+	$0.16	$0.16

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

L7986ATR Features

Adjustable step-down DC-DC switching regulator.
Maximum output current of 3A.
Input voltage starts at 4.5V.
Switching frequency from 250kHz to 1MHz.
Surface mount 8-HSOP package.

L7986ATR Applications

Power supplies for embedded systems.
Battery-powered device power management.
Point-of-load voltage regulation.
Consumer electronics power circuits.

L7986ATR FAQs

7 frequently asked questions generated from this part’s specifications.

What is the minimum input voltage for the L7986ATR?

4.5V.

What is the package type of the L7986ATR?

8-HSOP (8-SOIC with exposed pad).

What is the operating temperature range?

-40°C to 150°C (junction).

What is the output current rating?

3A.

What is the switching frequency range?

250kHz to 1MHz.

Is the output voltage adjustable?

Yes, the output is adjustable.

Does the L7986ATR use synchronous rectification?

No, it uses a non-synchronous rectifier.

L7986ATR Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.

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