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L9966 데이터시트(PDF) 30 Page - STMicroelectronics

부품명 L9966
상세설명  FlexInput IC for automotive applications
PDF  122 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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L9966 데이터시트(HTML) 30 Page - STMicroelectronics

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Figure 16. Active discharge function
GADG0501181510PS
The active discharge is performed by the PullDown sink for a duration configurable in
ACTIVE_DSCHRG_TIM[3:0], see Table 20. The sink current is selected as shown in Table 19.
In Table 19 is reported the Pull Up current values when binary lambda mode is active, and the Pull Down current
value when Active discharge based on SEL, MODE and the control signal (see Figure 13): control signal is
considered as it if MODE=0; it is considered at its negated value if MODE=1.
Table 19. Lambda IO stage configuration in LSF mode
LSF_MD_x=1 SEL[2:0]=111
CV[2:0]
Current Value
Pullup VDD5V
Current Value
Pullup Vvar
Active Discharge Current Value Pull Down
111
500 µA
20 µA
500 µA
110
250 µA
20 µA
100 µA
L9966
Binary Lambda mode
DS12459 - Rev 10
page 30/122



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