ST Life.augmented

L9911

Multifunction Smart Regulator with Lamp/Relay Diagnostic Driver
  • active Active

The L9911 is a monolithic multifunction alternator voltage regulator intended for use in automotive application.

It includes the control section, the field power stage, fault diagnostic circuit which drives a warning lamp, and the protection against short circuits.

pdf Please read
Errata Sheet
pdf Download
Datasheet

Key Features

  • Fully monolithic design
  • High side field driver
  • Thermal protection
  • Field short circuit protection
  • Protected diagnostic lamp driver
  • Protected high side relay driver
  • Complex diagnostics
  • Load response control
  • DFM output (field monitor)

Design Resources

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Technical Documentation

Product Specifications

Description Version Size
pdf
DS4125: Car alternator multifunction smart voltage regulator
12.0 314 KB

Sample & Buy

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Part Number Marketing StatusPackagePacking TypeOperating Temperature (min) Operating Temperature (max) Automotive GradeOrder From STUnit Price (US$)*
@ 1000
Distributor AvailabilityRoHS Compliance GradeDownload
Material Declaration**
L9911FActiveMW 8LTubeYes-5.39No availability reported, please contact our Sales officeEcopack1PDF
XML
L9911IActiveMW 8LTubeYes-5.39No availability reported, please contact our Sales officeEcopack1PDF
XML
L9911KActiveMW 8LTubeYes-5.39Distributor reported inventory date: 2014-09-16
Distributor NameRegionStockMin. order
MOUSEROrder NowWORLDWIDE2051
Ecopack1PDF
XML
L9911PActiveMW 8LTubeYes-5.39No availability reported, please contact our Sales officeEcopack1PDF
XML
L9911VActiveMW 8LTubeYes-5.39No availability reported, please contact our Sales officeEcopack1PDF
XML

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors
(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
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