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L9911 Datasheet Car Alternator Multifunction Smart Voltage Regulator

Manufacturer: STMicroelectronics

Overview: L9911 Car alternator multifunction smart voltage regulator Datasheet - production data '!

General Description

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 Order code L9911F L9911I L9911P L9911V L9911K L9911U Table 1.

Device summary Temp.

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.

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