MA5342MS datasheet(4/64 Pages) INFINEON

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Datasheet

4 of 63

V 2.1

11/2/2023

Integrated Class D Amplifier

MA5342MS

Operational Mode..................................................................................................................43

10.1

Self-oscillation Start-up Condition.......................................................................................................43

Protections...........................................................................................................................44

11.1.1

Self-Reset Protection .......................................................................................................................45

11.1.2

Designing Ct......................................................................................................................................45

11.1.3

Shutdown Input ...............................................................................................................................46

11.1.4

Latched Protection...........................................................................................................................47

11.1.5

Interfacing with System Controller .................................................................................................47

11.2

Over Current Protection (OCP) .............................................................................................................48

11.3

Over Temperature Protection (OTP) ....................................................................................................49

11.4

Under Voltage Protection (UVP) ...........................................................................................................49

Status Output .......................................................................................................................50

12.1

Fault Output ..........................................................................................................................................50

12.2

CLIP Output ...........................................................................................................................................51

Power Supply Design .............................................................................................................52

13.1

Supplying VAA and VSS .........................................................................................................................52

13.2

Supplying VCC and VB...........................................................................................................................52

13.2.1

Choosing Vs Diode............................................................................................................................53

13.2.2

Choosing Bootstrap Diode...............................................................................................................53

13.2.3

Charging VBS Prior to Start................................................................................................................54

13.3

Power Supply Sequence .......................................................................................................................55

Package details.....................................................................................................................56

Board mounting, part marking, and ordering information .........................................................58

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