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TDA7572 数据表(PDF) 17 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) 17 Page - STMicroelectronics

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TDA7572
Electrical specifications
17/64
V14 – UVLO
V14-
Auto-tristate supply
voltage V14 negative
slope
The IC is kept in tristate if 14V -
VSM become lower than this value
5.5
7
V
V14+
Auto-tristate supply
voltage V14 positive
slope
The IC is goes out from tristate if
14V-VSM become higher than this
value
6.5
8
V
V14h
Auto-tristate 14V voltage
hysteresis
Comparator hysteresis for auto-
tristate threshold
0.8
V
V14su
Step-up tristate
The step-up is in tristate when
voltage lower than this threshold
58
V
V14mute-
Auto-mute supply
voltage V14 negative
slope
The IC goes in mute if 14V-VSM
become lower than this value
V14-
+
0.7V
V14-
+
1.2V
V
V14mute+
Auto-mute supply
voltage V14 positive
slope
The IC goes in play if 14V-VSM
become higher than this value
V14V+
+
40mV
V14V+
+
170mV
SVR – UVLO
Vsvr-
Auto-tristate SVR
voltage negative slope
The IC is kept in tristate if VSvr -
VSM become less than this value
Vautomute VSetting-VSVR=VVSVR
-15%
5
x
VVSVR
+15%
V
Vsvr+
Auto-tristate SVR
voltage positive slope
The IC is goes out from tristate if
Vvr - VSM become higher than this
value
Vautomute VSetting-VSVR=VVSVR
-15%
6
x
VVSVR
+15%
V
VPOH
Auto-tristate SVR
Voltage
hysteresis
Comparator hysteresis for auto-
tristate threshold
Vautomute VSetting-VSVR=VVSVR
0.40
X
VVSVR
1.2V
X
VVSVR
V
Table 7.
Under voltage lockout (continued)
Symbol
Parameters
Test conditions
Min.
Typ.
Max.
Units



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