BD5446EFV 查看數據表（PDF） - ROHM Semiconductor

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产品描述 (功能)

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BD5446EFV

Class-D Speaker Amplifier or Digital Input

ROHM Semiconductor 

BD5446EFV

●Pin function explanation (Provided pin voltages are typ. Values)

No. Pin name Pin voltage

Pin explanation

1

REG_G1

27

REG_G2

5.5V

Internal power supply pin for ch1 Gate driver

Internal power supply pin for ch2 Gate driver

Please connect the capacitor.

Technical Note

Internal equivalence circuit

53,54

28,29

1

27

45,46

36,37

550K

25

Bias pin for PWM signal

2

FILP

1.75V~2.55V

2

Please connect the capacitor.

3

PLMT

4

FILA

5

REG3

0V

Power limiter setting terminal

2.5V

Bias pin for Analog signal

Please connect the capacitor.

3.3V

Internal power supply pin for Digital circuit

Please connect the capacitor.

6

25

3

6

27

4

6

25

400K

50K

50K

5

500K

6

6

GNDA

0V

GND pin for Analog signal

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7/31

2011.06 - Rev.C

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