LA4628 查看數據表（PDF） - ON Semiconductor
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LA4628 Datasheet PDF : 8 Pages
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Block Diagram
LA4628
C2
100μF/16V
+
C1+ 1
2.2μF
10V
2
RIPPLE
FILTER
+
IN
–
PRE GND
3
R1
ON 10KΩ
4
OFF
Standby
+5V
SW
C4
+
2.2μF
10V
IN2
6
BIAS
CIRCUIT
STANDBY
SW
+
IN
–
PREDRIVER
PREDRIVER
PREDRIVER
PREDRIVER
POP NOISE
PREVENTION
CIRCUIT
VCC
+
C5
14
OUTPUT PIN TO VCC
SHORT PROTECTOR
POWER
POWER
LOAD SHORT
PROTECTOR
OVER VOLTAGE /
SURGE PROTECTOR
THERMAL
SHUT DOWN
VCC
POWER
POWER
LOAD SHORT
PROTECTOR
-OUT1 –
13
C6**
POWER
GND1
12
R2
R3
RL
4Ω
C7**
11
+OUT1 +
OUTPUT PIN TO GND
SHORT PROTECTOR
**
(POLYESTER FILM
CAPACITOR)
OUTPUT PIN TO GND
SHORT PROTECTOR
-OUT2 –
9
C8**
POWER
GND2
10
R4
R5
RL
4Ω
C9**
8
+OUT2 +
OUTPUT PIN TO VCC
SHORT PROTECTOR
5
+
C3
7
+
C10
C3
Sets the amplifier starting time
(Approximately 0.6 seconds when 33μF)
C10
Impulse noise reduction
(Note : The device’s ability to withstand shorting
to VCC or shorting to ground when VCC is around
16V may be reduced as the value of this
capacitor is increased. We recommend 0.47μF.)
No.6632-3/8
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