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LA6557H Datasheet(PDF) 6 Page - Sanyo Semicon Device

Part # LA6557H
Description  Five-Channel Bridge Driver for MD and CD Players
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Manufacturer  SANYO [Sanyo Semicon Device]
Direct Link  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LA6557H Datasheet(HTML) 6 Page - Sanyo Semicon Device

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Block Diagram
No. 6350-6/8
LA6557H
1
2
3
4
5
15
16
10
11
12
13
14
FR
27
26
22
21
20
19
FR
6
7
8
9
17
18
23
24
25
28
+
CH2
Mute
CH3
CH1
CH4
CH5
Power supply for
channels 1 and 2
Power supply
for channels
3, 4, and 5
+
Signal system power supply
+
+
+
+
+
22 k
Ω 11 kΩ
11 k
11 k
11 k
22 k
22 k
22 k
MUTE
VCC1
VO1–
VO1+
VO2+
VO2–
VO4–
FWD
REV
VO5–
VO5+
VO3+
VO4+
VIN3
REG-IN
VCC-S
VIN4G
VIN4
VIN2G
VIN3G
VO3–
VCC2
REG-OUT
VREF-IN
S-GND
VIN2
VIN1G
VIN1
Thermal
shutdown circuit
The MUTE pin functions as follows:
High: output on
Low: output off
5 VREG
(with an external PNP transistor)


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