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LA4425AN 数据表(PDF) 4 Page - ON Semiconductor

部件名 LA4425AN
功能描述  5W Power Amplifier
Download  10 Pages
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制造商  ONSEMI [ON Semiconductor]
网页  http://www.onsemi.com
标志 ONSEMI - ON Semiconductor

LA4425AN 数据表(HTML) 4 Page - ON Semiconductor

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LA4425AN
http://www.onsemi.com
4
Sample Application Circuit
 On-chip overvoltage protection
 On-chip thermal protection
 On-chip pop noise reducing circuit
 On-chip output D.C. short protection
Pin Voltage at VCC = 13.2V
Characteristics
Input
Small signal
GND
Large signal
GND
Output
VCC
Pin No.
1
2
3
4
5
Pin voltage
(reference value)
(
 2VBE)
1.4V
0V
0V
(
 1/2VCC)
6.5V
(VCC)
13.2V
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
LA4425AN
Output coupling capacitor
Input coupling capacitor
Bootstrap capacitor
-
Feedback capacitor
-
Filter capacitor
-
Phase compensation
capacitor
-
Oscillation correction
polyester film capacitor
-
Oscillation correction
resistor
-
Total
8 pcs.
2 pcs.
Note: The power supply capacitor is not counted as a power IC part.
Ci 2.2
μF
1000
μF
+
+
+
Co 1000
μF
1
2
3
4
5
VCC 13.2V
speaker
4
Ω
LA4425AN


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