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L9678P Datasheet(PDF) 176 Page - STMicroelectronics

No. de pieza L9678P
Descripción Electrónicos  Automotive user configurable airbag IC
PDF  203 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9678P Datasheet(HTML) 176 Page - STMicroelectronics

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Electrical characteristics
L9678P, L9678P-S
176/203
DocID029274 Rev 3
9
VDD5UV
Under voltage detection
-
4.5
-
4.8
V
10
VDD5UVL
Under voltage detection low
level
-
1.822.2
V
Table 35. VDD5 regulator DC specifications (continued)
N°
Symbol
Parameter
Condition
Min
Typ
Max
Unit
Table 36. VDD5 regulator AC specifications
N°
Symbol
Parameter
Condition
Min
Typ
Max
Unit
1TSOFTST_VDD5 Soft start time
From 10% to 90%
1
2
3
ms
2TFLT_VDD5OV
Over voltage
detection deglitch filter time
-
273033
µs
3TFLT_VDD5UV
Under voltage
detection deglitch filter time
-
273033
µs
4TFLT_VDD5UVL
Under voltage low
detection deglitch filter time
-
1.5
2
2.5
µs
Table 37. VDD5 regulator external components (Design Info)
N°
Symbol
Parameter
Condition
Min
Typ
Max
Unit
1hFE_PNP
Output transistor gain
-
50
250
500
A/A
2Ft_PNP
Output transistor transit
frequency
-30
-
-
MHz
3RVDD5BE
Output transistor base-
emitter
Pull-up resistance
--
3
-
k
4CBLK_VDD5
Output bulk capacitance
Min 4.7µF nominal
3
-
30
µF
5
ESRCBLK_VDD5 Bulk capacitor ESR
-
-
-
50
mΩ



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