TDA7572 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

TDA7572

200W mono bridge PWM amplifier with built-in step-up converter

STMicroelectronics 

TDA7572

Electrical specifications

Table 7. Under voltage lockout (continued)

Symbol

Parameters

Test conditions

Min. Typ. Max. Units

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

V14+

Auto-tristate supply

voltage V14 positive

slope

The IC is goes out from tristate if

14V-VSM become higher than this 6.5

value

V14h

Auto-tristate 14V voltage Comparator hysteresis for auto-

hysteresis

tristate threshold

0.8

V14su Step-up tristate

The step-up is in tristate when

voltage lower than this threshold

5

Auto-mute supply

V14mute- voltage V14 negative

slope

The IC goes in mute if 14V-VSM

become lower than this value

V14-

+

0.7V

Auto-mute supply

V14mute+ voltage V14 positive

slope

The IC goes in play if 14V-VSM

become higher than this value

V14V+

+

40mV

SVR – UVLO

7

V

8

V

V

8

V

V14-

+

V

1.2V

V14V+

+

170mV

Vsvr-

Auto-tristate SVR

voltage negative slope

The IC is kept in tristate if VSvr -

VSM become less than this value

-15%

5

x

+15% V

Vautomute VSetting-VSVR=VVSVR

VVSVR

The IC is goes out from tristate if

Vvr - VSM become higher than this

6

Vsvr+

Auto-tristate SVR

value

voltage positive slope

-15%

x

+15% V

VVSVR

Vautomute VSetting-VSVR=VVSVR

VPOH

Auto-tristate SVR

Voltage

hysteresis

Comparator hysteresis for auto-

tristate threshold

Vautomute VSetting-VSVR=VVSVR

0.40

X

VVSVR

1.2V

V

X

VVSVR

17/64

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