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TDA7572 数据表(PDF) 23 Page - STMicroelectronics

部件名 TDA7572
功能描述  200W mono bridge PWM amplifier with built-in step-up converter
PDF  64 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7572 数据表(HTML) 23 Page - STMicroelectronics

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TDA7572
Electrical specifications
23/64
4.3.7
Diagnostics
NVGS_ON
NFET gate voltage that will
block PFET enhancement
2.5
V
NVGS_OFF
NFET gate voltage that will
allow PFET enhancement
3.5
V
Table 11.
Gate drive and output stage control (continued)
Symbol
Parameters
Test conditions
Min.
Typ.
Max.
Units
Table 12.
Diagnostics
Symbol
Parameters
Test conditions
Min.
Typ.
Max.
Units
Turn-on diagnostics/ Power up diagnostics
ITEST
Test current for short/open
-15%
2.45/(3*
Riset)
+15%
mA
Ri set = 56ohm
-15%
15
+15%
RISET allowed range
5.6
ohm
VLSSHRT
Short threshold to lower
supply rail
-Vs +1
V
VNOP
Normal operation
thresholds
-Vs+2
-Vs+5.5
V
Short to supply
-Vs+8
Shorted load
6mV
Normal load
.025
1
V
Open load
2
V
Test charge current
-30%
10µA
+30%
µA
tTEST
Test time
60
80
100
ms
Permanent Diagnostics
VoffACT
DC offset detected
+-3
Volts
VoffACT
DC offset not detected,
normal operation allowed
+-1.2
Volts
Temperature
TWARN
Chip thermal warning
135
150
165
°C
Chip thermal warning
hysteresis
35
7
T
Chip thermal shutdown
155
160
175
°C
Shutdown hysteresis
3
5
7
°C
External thermal warning
-10%
VDIG *.4
+10%
V
External thermal warning
hysteresis
Vdig*0.0
30
Vdig*0.
044
V



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