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L9679E 데이터시트(PDF) 98 Page - STMicroelectronics

부품명 L9679E
상세설명  Automotive battery cut-off circuit and airbag system expansion IC
PDF  127 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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L9679E 데이터시트(HTML) 98 Page - STMicroelectronics

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Table 18. Open ground detection DC specifications
Symbol
Parameter
Conditions / Comments
Min
Typ
Max
Unit
GNDAOPEN
GNDA open threshold
GNDD = 0
100
200
300
mV
GNDDOPEN
GNDD open threshold
GNDA = 0
100
200
300
mV
Table 19. Open ground detection AC specifications
Symbol
Parameter
Conditions / Comments
Min
Typ
Max
Unit
TFLT_GNDREFOPEN
GNDA and GNDD Open Deglitch Filter Time
-
10
17
25
µs
13.2
Internal analog reference
All electrical characteristics are valid for the following conditions unless otherwise noted:
-40 °C ≤ Tamb ≤ +105 °C
VSAT_OFF(min) ≤ VSAT ≤ VSAT(max)
Table 20. Internal analog reference
Symbol
Parameter
Conditions / Comments
Min
Typ
Max
Unit
VBG1
Bandgap reference
-
-1%
1.2
+1%
V
VBG2
Bandgap monitor
-
-1%
1.2
+1%
V
VADC_GROUND
ADC ground reference
ADC total error included
90
104
120
mV
VADC_FULLSCALE
ADC full scale reference
-
-1.5%
2.5
+1.5%
V
13.3
Internal regulators
All electrical characteristics are valid for the following conditions unless otherwise noted:
-40 °C ≤ Tamb ≤ +105 °C
VSAT_ON(max) ≤ VSAT ≤ VSAT(max)
Table 21. Internal regulator DC specifications
Symbol
Parameter
Conditions / Comments
Min
Typ
Max
Unit
VOUT_VINT3V3
VINT3V3 output voltage
-
3.14
3.3
3.46
V
VOV_VINT3V3
VINT3V3 over voltage
-
3.47
3.7
V
VUV_VINT3V3
VINT3V3 under voltage
-
2.97
3.13
V
VOUT_CVDD
CVDD output voltage
-
3.14
3.3
3.46
V
IOUT_CVDD
CVDD current capability
External load is not allowed
-
-
50
mA
ILIM_CVDD
CVDD current limit
-
80
-
-
mA
VOV_CVDD
CVDD over voltage
-
3.47
-
3.7
V
VUV_CVDD
CVDD under voltage
-
2.7
-
2.9
V
CCVDD
CVDD output capacitance
Design Info
60
100
140
nF
L9679E
Electrical characteristics
DS12485 - Rev 8
page 98/127



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