LA4450-E 데이터 시트보기 (PDF) - ON Semiconductor

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LA4450-E

2-Channel, 26V, Power Amplifier for Bus and Track in Car Stereo

ON Semiconductor 

Application Circuit Example

LA4450

+

C1 100μF/35V

DC

10

VCC

7

+

26.4V

C10 1000μF/35V

IN1

9

IN1

NF1

8

+

C2 100μF

6.3V

Ripple filter,

impulse noise

prevention circuit

+

Current limiter circuit

CH1

−

75Ω

30kΩ

BS1

6+

47μF/35V

C9

5

+1000μF/35V

OUT1

C8

C7

0.15μF

R3 2.2Ω

4

RL=8Ω

Pre-ground

11

Bias

circuit

Overvoltage

protection circuit

Thermal

shutdown

protection

circuit

Power ground

Power ground

3

IN2

Current limiter circuit

13

+

IN2

NF2

CH2

14

−

+

75Ω

C3 100μF

6.3V

30kΩ

OUT2

2

+1000μF/35V

C5 0.15μF

C4 C6

1+

BS2

R2

47μF

35V

2.2Ω

RL=8Ω

Standby switch

OFF

12

ST

10kΩ

R1

ON

+

5V

C6, C7: 0.15μF ......mylar capacitors

No.4090-5/8

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