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TDA7803A-QLX bảng dữ liệu(PDF) 15 Page - STMicroelectronics

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DS12195 Rev 7
15/72
TDA7803A
Electrical specification
71
Pnop
Normal operation thresholds.
(within these limits, the
output is considered without
faults).
-2
-
Vs - 2
V
Lsc
Shorted load det.
-
-
-
0.7
Ω
Lop
Normal load det.
-
1.3
-
30
Ω
Lnop
Open load det.
-
70
-
-
Ω
Turn-on diagnostic for parallel mode configuration
Lsc
Shorted load det.
-
-
-
0.35
Ω
Lop
Normal load det.
-
0.65
-
15
Ω
Lnop
Open load det.
-
35
-
-
Ω
Rss
Soft Short Diagnostic
threshold (below this value,
soft short resistance is
recognized)
-500
-
-
Ω
Turn-on diagnostic for line driver mode configuration
Pgnd
Short to GND det. (below this
limit, the output is considered
in short circuit to GND)
--
-
1
V
Pvs
Short to Vs det. (above this
limit, the output is considered
in short circuit to Vs)
-Vs - 1
-
-
V
Pnop
Normal operation thresholds.
(within these limits, the
output is considered without
faults).
-2
-
Vs - 2
V
Lsc
Shorted load det.
-
-
-
20
Ω
Lop
Normal load det.
-
60
-
1400
Ω
Lnop
Open load det.
-
2600
-
-
Ω
Rss
Soft Short Diagnostic
threshold (below this value,
soft short resistance is
recognized)
-5.8(4)
--
kΩ
AC-diagnostic
IACTRESH
AC diagnostic current
threshold
IB4 – D4= ‘0’
250
375
500
mA
IB4 – D4= ‘1’
125
187
250
mA
Table 5. Electrical characteristics (continued)
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit



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