L9911 データシートの表示（PDF） - STMicroelectronics
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L9911 Datasheet PDF : 20 Pages
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L9911
Electrical specification
Table 8. Correspondence of frequency (typical values) to application features
Alternator revolution speed (rpm)
6 pole pairs
8 pole pairs
Typical configuration A Initiate regulation
(Config-A)
LRC Cut
1200
3000
EN-1
DISAB-1
EN-3
DISAB-3
Typical configuration B Initiate Regulation
(Config-B)
LRC Cut
1450
3000
EN-2
DISAB-1
EN-4
DISAB-3
Typical configuration Initiate Regulation
C (Config-C)
LRC Cut
1450
3500
EN-2
DISAB-2
EN-4
EN-4
Considering the overall WW application scenario, there is a direct correspondence between
Typical configurations A/B and regulation curve Vreg-1, and between typical configuration C
and regulation curves Vreg-2 and Vreg-3. This is allowing the summary of all possible
customization for L9911 in the table below.
Table 9. Customization of L9911: combination of LRC, regulation, and application options
LRC
timing
options
Vreg-1/Config-A
6 Pole 8 Pole
Pairs Pairs
Vreg-1/Config-B
6 Pole 8 Pole
Pairs Pairs
Vreg-2/Config-B
6 Pole 8 Pole
Pairs Pairs
Vreg-2/Config-A
6 Pole 8 Pole
Pairs Pairs
Vreg-4/Config-A
6 Pole 8 Pole
Pairs Pairs
LRC-A L9911P nya
nya
nya
nya
nya
nya
nya L9911K nya
LRC-B nya
nya L9911F nya L9911I nya
nya
nya
nya
nya
LRC-C nya
nya
nya
nya
nya
nya L9911V nya
nya
nya
LRC-D nya
nya
nya
nya
nya
nya
nya
nya
nya
nya
LRC-E L9911U nya
nya
nya
nya
nya
nya
nya
nya
nya
6^6 #
6^6 #
6^ 6 #
Figure 2. Vreg-1
0D[
7\S
0LQ
4
'!0'03
DocID10990 Rev 13
11/20
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