参数资料
型号: TDA7572
厂商: STMICROELECTRONICS
元件分类: 模拟信号调理
英文描述: SPECIALTY ANALOG CIRCUIT, PQFP64
封装: ROHS COMPLIANT, HIQUAD-64
文件页数: 8/64页
文件大小: 1052K
代理商: TDA7572
Electrical specifications
TDA7572
4.3.2
Under voltage lockout
VSPLIT
Operating voltage VSP -
VSM split supply rails
Normal operation required
Split supply application
configuration,
VSM<VSVR-4,
VSP>VSVR+4
848
58
V
Istdby
Stand-by current
IC in standby, Mode0, and Mode1
low Vs = 42V
50 at
T = 25°C
10 at
T = 85°C
μA
Itristate
Tristate current
Outputs tristated
Booster not running,
Fpwm = nominal
V14
13
20
mA
VSP
15
25
IMUTE
Mute mode current
MUTE asserted,
V14
10
mA
VSP
20
Table 6.
Operating voltage and current (continued)
Symbol
Parameters
Test conditions
Min.
Typ.
Max.
Units
Table 7.
Under voltage lockout
Symbol
Parameters
Test conditions
Min.
Typ.
Max.
Units
VLimAM
AutomuteVSetting
pin
voltage limit
Voltage limit respect to the SVR pin
Allowed voltage range on Automute
pin
0.5
2.1
V
VSP UVLO
VAM
Auto-mute supply
voltage VSP
Mute is forced if VSP-VSVR or
VSVR-VSM is less than this value
VautomuteVSetting-VSVR=VVSVR
-15%
VVSVR*
7
+15%
V
VPO-
Auto-tristate supply
voltage VSP negative
slope
The IC is set in tristate if VSP-VSM
is less than this value
Vautomute VSetting-VSVR=VVSVR
-15%
VVSVR
*12
+15%
V
VPO+
Auto-tristate supply
voltage VSP positive
slope
The IC is set out from tristate if
VSP-VSM is higher than this value
Vautomute VSetting-VSVR=VVSVR
-15%
VVSVR
*13
+15%
V
VU
Auto-tristate supply
voltage VSP
Relative maximum value
The IC is set in tristate if VSP-VSM
is more than this value
Vautomute VSetting-VSVR=VVSVR
-15%
VVSVR*
48
+15%
V
VUC
Auto-tristate supply
voltage
VSP
Absolute maximum
value
The IC is set in tristate if VSP-VSM
is higher than this value
60
63
66
V
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