STMicroelectronics L9911I
The L9911 is a monolithic multifunction alternator voltage regulator intended for use in automotive application.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
DESCRIPTION
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. range, °C Package Tj = -40 to +150 Multiwatt8 Packing Tube September 2015 This is information on a product in full production. DocID10990 Rev 13 1/20 Contents Contents L9911 1 Circuit operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1.1 Voltage regulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1.2 Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .