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  • The L9484 is a monolithic multifunction alternator voltage regulator intended for use in automotive charging applications.

    L9484 regulates the output of an automotive generator by controlling the field winding current by means of a variable frequency PWM high side driver.

    Key Features

    • For air and liquid cooled applications
    • Ambient air temperature (thermistor) compensated
    • Special default compensation curve with TS-terminal open
    • Compensation curve with application specific resistor on TS
    • Thermal protection
    • Field driver, lamp driver, relay driver, and df (field monitor) short circuit protected
    • Load response control
    • Single phase autostart

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
L9484 MW 8L Tube - -
NRND
4.4 1000 EAR99
MORE INFO

Country of Origin:

-

No availability of distributors reported, please contact our sales office Buy now

L9484

Package

MW 8L

Packing Type

Tube

Unit Price (US$)

4.4*

Operating Temperature (°C)

(min)

-

(max)

-

Marketing Status

NRND

Unit Price (US$)

4.4

Quantity

1000

ECCN (US)

EAR99

Country of Origin

-

(*) 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

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00 Files selected for download

Technical Documentation

    • Description Version Size Action
      DS3071
      Alternator voltage regulator
      4.0
      170.44 KB
      PDF
      DS3071

      Alternator voltage regulator

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
L9484
NRND
MW 8L Automotive Ecopack1

L9484

Package:

MW 8L

Material Declaration**:

Marketing Status

NRND

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.