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LA4425A Datasheet(PDF) 3 Page - Sanyo Semicon Device

Part No. LA4425A
Description  5 W Power Amplifier with Very Few External Parts for Car Radio and Car Stereo
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Maker  SANYO [Sanyo Semicon Device]
Homepage  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LA4425A Datasheet(HTML) 3 Page - Sanyo Semicon Device

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IC Usage Notes
Maximum ratings
If the IC is used in the vicinity of the maximum ratings, even a slight variation in conditions may cause the maximum ratings to
be exceeded, thereby leading to a breakdown.
Printed circuit board
When drawing the printed circuit pattern, refer to the sample printed circuit pattern. Be careful not to form a feedback loop
between input and output.
Comparison of External Components
External Parts
Our ICs now in use
LA4425A
Output coupling capacitor
jj
Input coupling capacitor
jj
Bootstrap capacitor
j
Feedback capacitor
j
Filter capacitor
j
Phase compensation capacitor
j
Oscillation correction polyester
film capacitor
j
Oscillation correction resistor
j
Total
8 pcs.
2 pcs.
Note: The power supply capacitor is not counted as a power IC part.
Sample Printed Circuit Pattern
LA4425A
+
IN
Ci = 2.2
µF GND
+
+
GND
CV
= 1000
µF
CC
VCC
OUT
Co = 1000
µF
Cu-foiled side 78.0
× 29.0 mm2
ICCO –VCC
Supply voltage, VCC –V
VN –VCC
Supply voltage, VCC –V
LA4425A
No.3309-3/8


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