STK433-330-E Ver la hoja de datos (PDF) - SANYO -> Panasonic
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STK433-330-E Datasheet PDF : 13 Pages
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STK433-290-E
STK433-300-E series Stand-by control, Mute control, Load-short protection & DC
offset protection application
STK433-300-E series
Ch1 Ch1 Ch2 Ch2
Ch1 Ch1
Ch2 Ch2 Ch3
-PRE -VCC +VCC OUT(+) OUT(-) OUT(+) OUT(-) +PRE SUB GND IN NF ST-BY NF IN IN
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Ch3 Ch3 Ch3
NF OUT OUT
17 18 19
56kΩ6.8kΩ 56kΩ6.8kΩ
56kΩ6.8kΩ
(*1) The voltage applied to the Stand-by pin (#13)
must not exceed the maximum rated value (VST max).
(*1)
(ex)
2.7kΩ
1kΩ
33kΩ
Stand-by Control (ex)
H: Operation Mode (+5V)
L: Stand-by Mode (0V)
33μF
2kΩ
/10V
Load short
protection
circuit
+VCC
GND
-VCC
22kΩ
56kΩ
0.1μF 1kΩ
Latch up
circuit
(*4)
R2
10kΩ 100kΩ
Ch3 OUT
GND
Ch2 OUT
GND
GND
Ch1 OUT
82kΩ
82kΩ
22μF
82kΩ
22μF
100kΩ
DC offset protection
10kΩ
10kΩ
10kΩ
10kΩ
Ch3 IN
Ch2 IN
GND
Ch1 IN
2.2kΩ
+5V
Stand-by
Control
Mute
Control
ST-BY
+5V
MUTE
PLAY
Mute Control
H: Single Mute
L: Normal
MUTE ST-BY
STK433-300-E Application Explanation
STK433-300-E series
Stand-By Circuit SW transistor
in PreDriver IC
Point.B
ΔVBE
4.7kΩ
Ch1 Ch1 Ch2 Ch2
-PRE -VCC +VCC OUT(+) OUT(-) OUT(+) OUT(-) +PRE SUB
Ch1 Ch1
Ch2 Ch2 Ch3 Ch3 Ch3 Ch3
GND IN NF ST-BY NF IN IN NF OUT(+) OUT(-)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
Operate mode (VSTOFF) ≥ 2.5V
Stand-by mode (VSTON) ≤ 0.6V (0V typ)
1) Stand-by control circuit part
H: Operation mode (+5V)
L: Stand-by mode (0V)
1kΩ
56kΩ 6.8kΩ
56kΩ 6.8kΩ
Tr1
Tr2
(2) Load short
Point.C
I2
detection part
IST
22kΩ
56kΩ
Tr4
0.1μF
10kΩ
1kΩ (*4)
R2
56kΩ 6.8kΩ
I3
Tr1
(*1)R1
(ex)
2.7kΩ
33kΩ
33μF 2kΩ
Stand-By Control
Voltage VST
Point.B
Point.C
100kΩ
-VCC
(3) Latch-up
circuit part
Ch1 OUT
Ch2 OUT
82kΩ 82kΩ
22μF
82kΩ 22μF
Tr5
100kΩ
Tr6
Ch3 OUT
(4) DC offset
protection
The protection circuit application for the STK433-300-Esr consists of the following blocks (blocks (1) to (4)).
(1) Standby control circuit block
(2) Load short-circuit detection block
(3) Latch-up circuit block
(4) DC voltage protection block
No. A1630-11/13
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