L7985A The STMicroelectronics L7985A is an adjustable switching regulator designed for step-down applications. It offers a 2A current capability and operates within a wide temperature range.
Mfr Part #:

L7985A

Available from 2 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics L7985A is an adjustable switching regulator designed for step-down applications. It offers a 2A current capability and operates within a wide temperature range.
✓ Total Stock: 10,700 pcs
$ Price Range: $0.16

L7985A Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
5,700 pcs
5700 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
5,000 pcs
5000 pcs On Request 1 On Request On Request On Request On Request 2026-02-16 21:33:16

L7985A 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
SVHC Present
Supplier Device Package
Synchronous Rectifier
Topology
Voltage

L7985A Description

Short technical summary and product information.

The STMicroelectronics L7985A is a versatile adjustable switching regulator, functioning as a step-down (buck) converter. It is designed to deliver up to 2A of current and supports an adjustable output voltage.

 

Key electrical specifications include an input voltage range starting at 4.5V and an operating frequency adjustable between 250kHz and 1MHz. The device operates across a broad temperature range of -40°C to 150°C (TJ).

 

Packaged in an 8-HSOP and also specified as an 8-SOIC with an exposed pad, the L7985A is suitable for surface mount applications. Its output configuration is positive, and it features a non-synchronous rectifier design.

 

This component is compliant with RoHS3 standards and has a Moisture Sensitivity Level (MSL) of 1, indicating unlimited usability under standard conditions.

L7985A Quick Information

Product Type: Switching Regulator
Canonical Name: L7985A Adjustable Buck Switching Regulator
Subcategory: DC-DC Switching Regulator

L7985A Compliance

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

L7985A Estimated Pricing

Qty Low High
1+ $0.16 $0.16

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

L7985A Features

  • Adjustable output voltage capability.
  • Provides up to 2A of output current.
  • Operates from 4.5V input voltage.
  • Switching frequency from 250kHz to 1MHz.
  • Wide -40°C to 150°C operating temperature.

L7985A Applications

  • Suitable for step-down power conversion.
  • Used in adjustable voltage regulation.
  • Ideal for 2A current applications.
  • Surface mount assembly compatible.

L7985A FAQs

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

The L7985A operates with an input voltage of 4.5V.

What packages are available for the L7985A?

The L7985A is available in an 8-HSOP package and an 8-SOIC with exposed pad.

What is the operating temperature range?

-40°C to 150°C junction temperature.

What is the maximum output current?

2A.

What is the switching frequency range?

250kHz to 1MHz.

What type of regulator is the L7985A?

It is a step-down (buck) regulator.

Is the output voltage adjustable?

Yes, the output is adjustable.

L7985A Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
View All Alternate Parts
L7980ATR
L7980ATR
STMicroelectronics
The STMicroelectronics L7980ATR is an adjustable 2A DC-DC switching regulator. It operates with an input voltage of 4.5V and features a surface mount package.
View Part
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