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LA4708N Fiches technique(PDF) 3 Page - Sanyo Semicon Device

No de pièce LA4708N
Description  Monolithic Linear IC For Car Stereos 20W 2-channel BTL AF Power Amplifier
Download  9 Pages
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Fabricant  SANYO [Sanyo Semicon Device]
Site Internet  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LA4708N Fiches technique(HTML) 3 Page - Sanyo Semicon Device

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LA4708N
160
0
40
35
30
25
20
15
10
5
3.5
Pd max -- Ta
Ambient temperature, Ta --
°C
JK470801
-20
0
20
40
60
80
100
120
140
θf = 1.5°C/W
2.0
°C/W
3.2
°C/W
4.1
°C/W
7.0
°C/W
No Fin
θjc = 2.0°C/W
Arbitrarily large heat sink
1000
2
3
2
10
7
5
3
θf -- Sf
Heat sink area, Sf -- cm2
JK470802
23
5
7
100
23
5
7
AI heat sink, t = 1.5mm
Tightening torque 39N cm
With silicone grease applied
Block Diagram
+
C1
+
IN1
2.2
μF/ 6.3V
100
μF/ 16V
+
+
C4
IN2
2.2
μF/ 6.3V
33
μF/ 6.3V
R1
PRE GND
10k
Ω
OFF ON
+5V
-
+
IN
PREDRIVER
POWER
PREDRIVER
PREDRIVER
PREDRIVER
-
+
IN
POWER
POWER
POWER
C2
RIPPLE
FILTER
POP NOISE
PREVENTION
CIRCUIT
C3
Pin 10 : No connection.
Pins 1,9 : Don't use.
OVERVOLTAGE/
SURGE PROTECTOR
THERMAL
SHUTDOWN
VCC
OUTPUT PIN-TO-VCC
SHORT PROTECTOR
OUTPUT PIN-TO-VCC
SHORT PROTECTOR
OUTPUT PIN-TO-GND
SHORT PROTECTOR
OUTPUT PIN-TO-GND
SHORT PROTECTOR
POWER
GND1
POWER
GND2
VCC2
VCC
N.C
VCC1
+
2200
μF
0.1
μF
0.1
μF
2.2
Ω
C5
∗∗
∗∗
∗∗
∗∗
∗∗
INVERTING
OUT1
NONINVERTING
OUT1
-
+
RL
0.1
μF
0.1
μF
2.2
Ω
2.2
Ω
INVERTING
OUT2
NONINVERTING
OUT2
-
+
POLYESTER FILM
CAPACITOR
LOAD SHORT
PROTECTOR
C7
R2
2.2
Ω
R3
C6
BIAS
CIRCUIT
STANDBY
SW
LOAD SHORT
PROTECTOR
18
1
3
2
4
5
7
6
8
9
10
11
C8
R4
R5
C9
RL
2 to 4
Ω
12
13
14
15
16
17
2 to 4
Ω
Each Pin Voltage
VCC = 13.2V, 5V applied through STBY = 10kΩ, RL = 4Ω, Rg = 0
Pin No.
1
2
3
4
5
6
Name
IN1
DC
Pre-GND
STBY
ON TIME
Pin voltage (V)
0.29
1.58
6.55
0
3.2
2.28
Pin No.
7
8
9
10
11
12
Name
IN2
POP
-
N.C
VCC2
−OUT 2
Pin voltage (V)
1.58
2.08
0.29
0
13.2
6.5
Pin No.
13
14
15
16
17
18
Name
PWR-GND 2
+OUT 2
+OUT 1
PWR-GND 1
−OUT 1
VCC1
Pin voltage (V)
0
6.5
6.5
0
6.5
13.2
No. A1783-3/9


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Description similaire - LA4708N

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