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

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