TDA7572 Datasheet, PDF (16/64 Pages) STMicroelectronics – 200W mono bridge PWM amplifier with built-in step-up converter

Electrical specifications
TDA7572
Table 6. Operating voltage and current (continued)
Symbol
Parameters
Test conditions
V_SPLIT
Operating voltage V_SP -
V_SM split supply rails
Normal operation required
Split supply application
configuration, V_SM<V_SVR-4_,
V_SP>V_SVR+4
I_stdby Stand-by current
IC in standby, Mode0, and Mode1
low V_s = 42V
I_tristate Tristate current
I_MUTE Mute mode current
Outputs tristated
V14
Booster not running,
F_pwm = nominal
VSP
MUTE asserted,
V14
VSP
Min.
8
Typ. Max. Units
48
58
V
50 at
T = 25°C
μA
10 at
T = 85°C
13
20
mA
15
25
10
mA
20
4.3.2 Under voltage lockout
Table 7. Under voltage lockout
Symbol
Parameters
Test conditions
Min. Typ. Max. Units
V_LimAM
AutomuteVSetting pin
voltage limit
Voltage limit respect to the SVR pin
Allowed voltage range on Automute
0.5
pin
2.1
V
VSP UVLO
V_AM
Auto-mute supply
voltage VSP
Mute is forced if VSP-VSVR or
VSVR-VSM is less than this value
-15%
VVSVR*
7
+15%
V
VautomuteVSetting-V_SVR=VVSVR
VPO-
Auto-tristate supply
voltage VSP negative
slope
The IC is set in tristate if VSP-VSM
is less than this value
Vautomute VSetting-V_SVR=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-V_SVR=VVSVR
-15%
VVSVR
*13
+15%
V
V_U
Auto-tristate supply
voltage VSP
The IC is set in tristate if VSP-VSM
is more than this value
VVSVR*
-15%
+15%
V
Relative maximum value Vautomute VSetting-V_SVR=VVSVR
48
Auto-tristate supply
voltage
V_UC
VSP
The IC is set in tristate if VSP-VSM
is higher than this value
60
63
66
V
Absolute maximum
value
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