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L9374LF датащи(PDF) 18 Page - STMicroelectronics

номер детали L9374LF
подробное описание детали  Four channel valve driver
PDF  80 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9374LF датащи(HTML) 18 Page - STMicroelectronics

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Electrical specifications
L9374LF
18/80
DocID025414 Rev 1
3.3.10
General diagnostic functions
(refer to Section 4.8: Diagnostics for details)
111
3.3.11
Filtering times
Table 16. General diagnostic functions electrical characteristics
Symbol
Parameter
Condition
Min.
Typ.
Max.
Unit
VUV
Under voltage threshold
(VS-pin)
3.0
-
5.2
V
VSG_L
Signal GND loss threshold
-
0.2
0.4
0.6
V
VPG_L
Power GND loss threshold
-
0.5
-
2.5
V
VPG_Lh
Power GND loss hysteresis
-
-
1.0
-
V
Table 17. CLKIN-monitoring characteristics
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
fCLKIN_H250
CLKIN monitoring @ 250 kHz-mode
set SPI bit
frequency too high
300
-
760
kHz
fCLKIN_L250
CLKIN monitoring @ 250 kHz-mode
set SPI bit
frequency too low
90
-
190
kHz
fCLKIN_H1M
CLKIN monitoring @ 1 MHz-mode
set SPI bit
frequency too high
1.20
-
3.04
MHz
fCLKIN_L1M
CLKIN monitoring @ 1 MHz-mode
set SPI bit
frequency too low
0.36
-
0.76
MHz
fCLKIN_OK
CLKIN monitoring
clear SPI bit
CLKIN frequency ok
-
250
1
-
kHz
MHz
Table 18. Failure filtering times characteristics
Symbol
Parameter(1)
1. All parameters based on valid CLKIN (250 kHz / 1 MHz) signal.
Condition
Min.
Typ.
Max.
Unit
tOL
Openload filtering time
outputs off
20
44
70
μs
tUC
Under current filtering time
-
10
20
40
μs
tOVL
Overload switch-off delay time
-
10
20
40
μs
tSD
Thermal shutdown delay time
-
10
40
80
μs
tTW
Thermal warning filtering time
-
10
20
40
μs
tDX_L
Dx loss filtering time
-
1
2
5
μs
tPGND_L Power GND loss filtering time
-
10
20
40
μs
tSGND_L Signal GND loss filtering time
-
10
20
40
μs
t_EN_F
EN filtering time(2)
2.
Digital filter only for falling edges and analog filter for both edges.
-
1.5
2
2.5
μs
tCLK_F
CLKIN-failure detection time
-
140
200
310
μs
tCURR_F
Current not reachable failure
filtering time
-
7.75
8
8.25
ms



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