STK415-090-E データシートの表示（PDF） - SANYO -> Panasonic
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STK415-090-E
SANYO -> Panasonic
STK415-090-E Datasheet PDF : 12 Pages
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STK415-090-E
STK415-100 Series Stand-by control, Mute control, Load-short protection & DC
offset protection application
STK415-100 series
4.7kΩ
+OFF -OFF
OUT OUT OUT OUT
+VL -VL SET SET -Pre -VH +VH Ch1+ Ch1- Ch2+ Ch2- +Pre GND SUB
IN NF ST-
Ch1 Ch1 BY
NF IN
Ch2 Ch2
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
6.8kΩ
*3 *3
6.8kΩ
*2
*1 Set the limiting resistor value R1 so that the voltage applied to the standby
pin (pin 17) never exceeds the maximum rated value VST max.
#17pin
reference voltage VST
(*1) R30
ex) 3.3kΩ
1kΩ
33kΩ
47μF
/10V
2kΩ
GND
Stand-by Control
H: Operation Mode (+5V)
L: Stand-by Mode (0V)
10kΩ
Ch2 IN
GND
+VH
+VL
GND
*2
Load
Short
Protection
circuit
22kΩ
56kΩ
Latch up
circuit
0.1μF 1kΩ
V1
(*4)
Ch2 OUT 10kΩ 100kΩ R2
10kΩ
10kΩ
Ch1 IN
2.2kΩ
Mute Control
H: Single Mute
L: Normal
-VL
GND
82kΩ
-VH
GND
22μF
100
82kΩ 22μF
kΩ
Ch1 OUT
DC offset protection
*2 METAL PLATE CEMENT RESISTOR 0.22Ω±10%(5W)
*3 DIODE 3A/60V
+5V
Stand-by
Control
Mute
Control
ST-BY
+5V
MUTE
PLAY
MUTE ST-BY
STK415-100 Series Application explanation
STK415-100 series
Stand-by Circuit
in Pre Driver IC
SW transistor
ΔVBE
4.7kΩ (*3)
Ch1 Ch1 Ch2 Ch2
-PRE -VH +VH OUT(+) OUT(-) OUT(+) OUT(-) +PRE SUB GND
Ch1 Ch1
IN NF STBY
Ch2 Ch2
NF IN
1
4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
1) Stand-by control circuit part
H: Operation mode (+5V)
L: Stand-by mode (0V)
1kΩ
56kΩ 6.8kΩ
56kΩ 6.8kΩ
Point.B
Tr1
Tr2
Point.B
Point.C
(2) Load short
detection part
Point.C
I2
(*1) R30 Tr5
33kΩ
Stand-By Control
I1
ex) 3.3kΩ
Voltage VST
47μF
2kΩ
22kΩ
56kΩ
Tr4
1kΩ
0.1μF10kΩ
100kΩ
(*4) R2
Tr3
Operate mode (VSTOFF)≥ 2.5V
Stand-By mode (VSTON)< 0.6V (0V typ)
I3
(3) Latch-up
circuit part
OUT Ch1
OUT Ch2
82kΩ
22μF
82kΩ 22μF
-VCC
Tr5
100
kΩ
Tr6
(4) DC offset
protection
No. A1246-10/12
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