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L9911F Fiches technique(PDF) 14 Page - STMicroelectronics

No de pièce L9911F
Description  Car alternator multifunction smart voltage regulator
PDF  19 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9911F Fiches technique(HTML) 14 Page - STMicroelectronics

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Electrical specification
L9911
14/19
Doc ID10990 Rev 12
3.4
Principle of phase regulation
When VB+ is above the regulated voltage, the field driver is controlled to keep phase peak
voltage from falling below VPHH1.
If phase peak voltage drops below VPHL1, 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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