L9911I STMicroelectronics

L9911 Car alternator multifunction smart voltage regulator Datasheet - production data 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 Multiwatt8 Description The L9911 is a monolithic multifunction alternator voltage regulator intended for use in automotive application. Features It includes the control section, the field power stage, fault diagnostic circuit which drives a Fully monolithic design warning lamp, and the protection against short High side field driver circuits Table 1. Device summary Order code Temp. range, C Package Packing L9911F L9911I L9911P T = -40 to +150 Multiwatt8 Tube j L9911V L9911K L9911U September 2015 DocID10990 Rev 13 1/20 This is information on a product in full production. www.st.com 0 03 Contents L9911 Contents 1 Circuit operation 5 1.1 Voltage regulation 5 1.2 Protection 5 1.3 Diagnosis 5 1.4 Load response control 5 1.5 Self start function 5 2 Pin description . 6 3 Electrical specification . 7 3.1 Absolute maximum ratings . 7 3.2 Thermal data . 7 3.3 Electrical characteristics . 7 3.4 Principle of phase regulation 14 4 Package information 17 4.1 Multiwatt 8 (pin 5 GND) package information 17 5 Revision history . 19 2/20 DocID10990 Rev 13