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LA4743B Datasheet(PDF) 4 Page - Sanyo Semicon Device

Part # LA4743B
Description  45 W Four-Channel (Bridge Circuit) Power Amplifier
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Manufacturer  SANYO [Sanyo Semicon Device]
Direct Link  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LA4743B Datasheet(HTML) 4 Page - Sanyo Semicon Device

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No. 6630-4/9
LA4743B
Pin Functions and Equivalent Circuits at VCC = 14.4 V, ST-BY = 5 V
Pin No.
Function
DC voltage [V]
Notes
Internal equivalent circuit
1
TAB
2
8
18
24
POWER GND
3
130
130
VCC
5
7
9
17
19
21
23
A13504
3
5
7
9
17
19
21
23
–OUT2
+OUT2
–OUT1
+OUT1
+OUT3
–OUT3
+OUT4
–OUT4
2.7
• The amplifier will be on when the
applied voltage is between 2 V and
VCC.
4
ST-BY
10 k
30 k
1.5 k
4
A13505
6
20
VCC1/2
VCC3/4
• Low ripple power supply line for all
internal IC blocks
10
SVR
13.2
200
200
VCC
1 k
10
A13506
Continued on next page.
Low saturation
voltage circuit
Bias circuit ST-BY power
supply line
Input amplifier ST-BY
power supply line


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