L9911:Multifunction Smart Regulator with Lamp/Relay Diagnostic Driver

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
Product Specifications
DescriptionVersionSize
DS4125: Car alternator multifunction smart voltage regulator13.0427 KB
Sample & Buy
Part NumberPackagePacking TypeOperating Temperature (°C) (min)Operating Temperature (°C) (max)Unit Price (US$) *QuantityECCN (EU)ECCN (US)Country of Origin
L9911KMW 8LTube-40150--NECEAR99MOROCCO
L9911UMW 8LTube-40150--NECEAR99MOROCCO
L9911PMW 8LTube-40150--NECEAR99MOROCCO
L9911FMW 8LTube-40150--NECEAR99MOROCCO
L9911VMW 8LTube-40150--NECEAR99MOROCCO
L9911IMW 8LTube-40150--NECEAR99MOROCCO
Quality & Reliability
Part NumberPackageGradeRoHS Compliance GradeMaterial Declaration**
L9911KMW 8LAutomotiveEcopack1ipc1752_aabv-uu06aa6.pdf
L9911UMW 8LAutomotiveEcopack1new_ipc-wspc-1752a_k8bv-uu86aa6_signed.pdf
L9911PMW 8LAutomotiveEcopack1
L9911FMW 8LAutomotiveEcopack1
L9911VMW 8LAutomotiveEcopack1
L9911IMW 8LAutomotiveEcopack1
Car alternator multifunction smart voltage regulator L9911
ipc1752_aabv-uu06aa6.pdf L9911
new_ipc-wspc-1752a_k8bv-uu86aa6_signed.pdf L9911