L9911I Datasheet L9911I, L9911V, L9911U | P13-P15

DocID10990 Rev 13 13/20

L9911 Electrical specification

Figure 5. V

reg-4

Figure 6. Output voltage rise/fall time (F+, DFM)

Figure 7. Phase regulation characteristics

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Electrical specification L9911

14/20 DocID10990 Rev 13

3.4 Principle of phase regulation

When V

B+

is above the regulated voltage, the field driver is controlled to keep phase peak

voltage from falling below V

PHH1

If phase peak voltage drops below V

PHL1

, phase regulation does not work.

Figure 8. Application diagram

Figure 9. High side/low side driver saturation

Figure 10. Test mode to cancel soft-start/attack

Figure 11. Soft-start enable frequency range

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DocID10990 Rev 13 15/20

L9911 Electrical specification

Figure 12. Soft-start characteristics (always activated at engine start)

Figure 13. Soft start/attack characteristics

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P1-P3 P4-P6 P7-P9 P10-P12 P13-P15 P16-P18 P19-P20

L9911I

Mfr. #:

Buy L9911I

Manufacturer:

STMicroelectronics

Description:

Power Management Specialized - PMIC Car Alternator Reg Multifunction Volt

Lifecycle:

New from this manufacturer.

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L9911I

L9911I

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