LA4628(2000) Просмотр технического описания (PDF) - SANYO -> Panasonic
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LA4628 Datasheet PDF : 8 Pages
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Equivalent Circuit Block Diagram
LA4628
C2
100 µ/16 V
+
2
VCC
+
C5
2200 µ
25 V
14
C1
+1
2.2 µ
10 V
RIPPLE
FILTER
+
– IN
PRE GND 3
OFF
Standby
SW
R1
ON 10 K
4
+5 V
C4
+ IN2
6
2.2 µ
10 V
BIAS
CIRCUIT
STANDBY
SW
+
– IN
PREDRIVER
PREDRIVER
PREDRIVER
PREDRIVER
POP NOISE
PREVENTION
CIRCUIT
OUTPUT PIN TO VCC
SHORT PROTECTOR
POWER
LOAD SHORT
PROTECTOR
POWER
– –OUT1
13 C6 0.1 µ
** R2
POWER
GND1
12
2.2
R3
RL
4Ω
2.2
**
11
C7 0.1 µ
+OUT1 +
OVER VOLTAGE/
SURGE
THERMAL
SHUT DOWN
OUTPUT PIN TO GND
SHORT PROTECTOR
VCC
OUTPUT PIN TO GND
SHORT PROTECTOR
**
(POLYESTER
FILM
CAPACITOR)
POWER
LOAD SHORT
PROTECTOR
POWER
– –OUT2
9
C8 0.1 µ
** R4
POWER 10
GND2
2.2
R5
RL
4Ω
2.2
8** C9 0.1 µ
+OUT2 +
OUTPUT PIN TO VCC
SHORT PROTECTOR
5
+
33 µ
C3
10 V
7
+
0.47 µ
10 V
C10
C3
Sets the amplifier starting time
(Approximately 0.6 seconds when 33 µF)
C10
Impulse noise reduction
(Note: The device’s ability to withstand shorting
to VCC or shorting to ground when VCC is around
16 V may be reduced as the value of this
capacitor is increased. We recommend 0.47 µF.)
No. 6632-3/8
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