L9349-LF Ver la hoja de datos (PDF) - STMicroelectronics
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L9349-LF Datasheet PDF : 17 Pages
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Electrical specifications
L9349-LF
Table 6. Electrical characteristics (continued)
(VS = 4.5 to 32V; -40°C Tj1 150°C < Tj2 TjDIS, unless otherwise specified.)
Symbol
Parameter
Test conditions
Values Tj1
Min. Typ. Max.
Values Tj2
Min. Max.
Unit
Diag. delay output
tDH-L, Diag OFF time
(3) Figure 4
8
tD IOU
Diagnostic open load
delay time
9V< VS <16V, Figure 5
Diagnostic overload
tDOL
delay switch-OFF time 9V< VS <16V, Figure 5
6
tfilt
Filter time
4
PGND
65
8
50
65
24
90
s
s
s
s
PGNDloss,h
Power GND loss
threshold high
PGNDloss,l
Power GND loss
threshold low
3
V
2
V
1. The diagnostic output is short circuit protected up to VD = 16V
2. Open pins (EN, IN) are detected as low
3. VS = 9 to 16V IOUC IO IOOC
3.5
Diagnostic
Table 7.
Diagnostic
Conditions
Normal function
GND short
VOtyp < 0.55VS
Load bypass
VO1-4/2-3 1.25V
Open load
IO1,2,3,4typ < 320mA
Tjtyp 190°C Overtemperature
Over load
IOmin 1,2 > 5A
IOmin 3,4 > 3A
SGND or PGND loss channel off
SGND or PGND loss channel on
EN
IN
OUT
DIAG.
L
X
off
L
H
L
off
L
H
H
on
H
L
X
off
H
H
L
off
H
H
H
on
L
X
X
off
L
H
H
off
L
X
L
off
H
H
H
off
L
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