L9911V

L9911V

L9911I

Active

Multifunction Smart Regulator with Lamp/Relay Diagnostic Driver

Quantity $ per Unit Savings
1 - 9$9.960%
10 - 24$9.0010%
25 - 99$8.5814%
100 - 249$7.4525%
250 - 499$7.1229%
500$6.4835%
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Out of stock
$9.96
Parameter NameParameter Value
Operating RangeAutomotive
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius150.0
Operating Voltage Min Volt7.0
Operating Voltage Max Volt18.0
ECCN USEAR99
ECCN EUNEC
Packing TypeTube
RoHs compliantEcopack1
GradeAutomotive
Package NameMW 8L

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