Multifunction Smart Regulator with Lamp/Relay Diagnostic Driver

Download datasheet

Order from our eStore and our distributors

Buy now
Overview
Tools & Software
Resources
Solutions
Quality & Reliability
Sales Briefcase
eDesignSuite
Get Started
Sample & Buy
Partner products
  • 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.

    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)
    • Self start function

Sample & Buy

Part Number
Package
Packing Type
Temperature (°C) Marketing Status
Budgetary Price (US$)*
Quantity
ECCN (US)
More info
Order from Distributors
Order from ST
min
max
L9911P MW 8L Tube -40 150
Active
4.2 1000 EAR99
MORE INFO

Country of Origin:

MOROCCO

Check Availability

Distributor availability ofL9911P

Distributor Name
Region Stock Min. Order Third party link
ARROW EUROPE 500 0 Order Now

Distributor reported inventory date: 2019-09-18

Distributor Name

ARROW

Stock

500

Min.Order

0

Region

EUROPE Order Now

Distributor reported inventory date: 2019-09-18

Buy now
L9911F MW 8L Tube -40 150
Active
4.2 1000 EAR99
MORE INFO

Country of Origin:

MOROCCO

No availability of distributors reported, please contact our sales office Buy now
L9911V MW 8L Tube -40 150
Active
4.2 1000 EAR99
MORE INFO

Country of Origin:

MOROCCO

No availability of distributors reported, please contact our sales office Buy now
L9911I MW 8L Tube -40 150
Active
4.2 1000 EAR99
MORE INFO

Country of Origin:

MOROCCO

Check Availability

Distributor availability ofL9911I

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 4 1 Order Now
ARROW EUROPE 475 0 Order Now

Distributor reported inventory date: 2019-09-18

Distributor Name

DIGIKEY

Stock

4

Min.Order

1

Region

WORLDWIDE Order Now

ARROW

Stock

475

Min.Order

0

Region

EUROPE Order Now

Distributor reported inventory date: 2019-09-18

Buy now

L9911P

Package

MW 8L

Packing Type

Tube

Unit Price (US$)

4.2*

Distributor availability ofL9911P

Distributor Name
Region Stock Min. Order Third party link
ARROW EUROPE 500 0 Order Now

Distributor reported inventory date: 2019-09-18

Distributor Name

ARROW

Stock

500

Min.Order

0

Region

EUROPE Order Now

Distributor reported inventory date: 2019-09-18

Operating Temperature (°C)

(min)

-40

(max)

150

Marketing Status

Active

Unit Price (US$)

4.2

Quantity

1000

ECCN (US)

EAR99

Country of Origin

MOROCCO

L9911F

Package

MW 8L

Packing Type

Tube

Unit Price (US$)

4.2*

Operating Temperature (°C)

(min)

-40

(max)

150

Marketing Status

Active

Unit Price (US$)

4.2

Quantity

1000

ECCN (US)

EAR99

Country of Origin

MOROCCO

L9911V

Package

MW 8L

Packing Type

Tube

Unit Price (US$)

4.2*

Operating Temperature (°C)

(min)

-40

(max)

150

Marketing Status

Active

Unit Price (US$)

4.2

Quantity

1000

ECCN (US)

EAR99

Country of Origin

MOROCCO

L9911I

Package

MW 8L

Packing Type

Tube

Unit Price (US$)

4.2*

Distributor availability ofL9911I

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 4 1 Order Now
ARROW EUROPE 475 0 Order Now

Distributor reported inventory date: 2019-09-18

Distributor Name

DIGIKEY

Stock

4

Min.Order

1

Region

WORLDWIDE Order Now

ARROW

Stock

475

Min.Order

0

Region

EUROPE Order Now

Distributor reported inventory date: 2019-09-18

Operating Temperature (°C)

(min)

-40

(max)

150

Marketing Status

Active

Unit Price (US$)

4.2

Quantity

1000

ECCN (US)

EAR99

Country of Origin

MOROCCO

(*) 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

Recommended for you

00 Files selected for download

Technical Documentation

    • Description Version Size Action
      DS4125
      Car alternator multifunction smart voltage regulator
      13.0
      427.44 KB
      PDF
      DS4125

      Car alternator multifunction smart voltage regulator

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
L9911F
Active
MW 8L Automotive Ecopack1
L9911I
Active
MW 8L Automotive Ecopack1
L9911P
Active
MW 8L Automotive Ecopack1
L9911V
Active
MW 8L Automotive Ecopack1

L9911F

Package:

MW 8L

Material Declaration**:

Marketing Status

Active

Package

MW 8L

Grade

Automotive

RoHS Compliance Grade

Ecopack1

L9911I

Package:

MW 8L

Material Declaration**:

Marketing Status

Active

Package

MW 8L

Grade

Automotive

RoHS Compliance Grade

Ecopack1

L9911P

Package:

MW 8L

Material Declaration**:

PDF XML

Marketing Status

Active

Package

MW 8L

Grade

Automotive

RoHS Compliance Grade

Ecopack1

L9911V

Package:

MW 8L

Material Declaration**:

PDF XML

Marketing Status

Active

Package

MW 8L

Grade

Automotive

RoHS Compliance Grade

Ecopack1

(**) 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.