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PDF STK433-840N-E Data sheet ( Hoja de datos )
| Número de pieza | STK433-840N-E | |
| Descripción | 4ch class-AB Audio Power IC | |
| Fabricantes | ON Semiconductor | |
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OOrdrdeerirninggnnuummbbeer r: :EENNAA221100188A
STK433-840N-E
Thick-Film Hybrid IC
4ch class-AB Audio Power IC
40W4ch
http://onsemi.com
Overview
The STK433-840N-E is 4 channels class-AB audio frequency power amplifier hybrid IC.
Application
Audio Power amplifiers
Features
Pin-to-pin compatible outputs ranging from 40W to 80W.
Miniature package.
Output load impedance: RL = 6 recommended.
Allowable load shorted time: 0.3 second
Allows the use of predesigned applications for standby and mute circuit.
Series model
STK433-040N-E
STK433-060N-E
STK433-130N-E
Output1 (10%/1kHz)
40W 2ch
50W 2ch
150W 2ch
Output2 (0.4%/20Hz to 20kHz)
25W 2ch
35W 2ch
100W 2ch
Max. rating VCC (quiescent)
Max. rating VCC (6)
Recommended operating VCC (6)
Dimensions (excluding pin height)
38V
46V
36V
40V
24V
27V
47.0mm25.6mm9.0mm
71.5V
63V
44V
67.0mm25.6mm9.0mm
Output1 (10%/1kHz)
Output2 (0.4%/20Hz to 20kHz)
Max. rating VCC (quiescent)
Max. rating VCC (6)
Recommended operating VCC (6)
Dimensions (excluding pin height)
STK433-330N-E
150W 3ch
100W 3ch
71.5V
63V
44V
64.0mm36.6mm9.0mm
STK433-840N-E
40W 4ch
25W 4ch
38V
36V
25V
64.0mm31.1mm9.0mm
STK433-890N-E
80W 4ch
50W 4ch
54V
47V
34V
78.0mm44.1mm9.0mm
Specifications
Absolute Maximum Ratings at Ta = 25C, Tc = 25C unless otherwise specified
Parameter
Symbol
Conditions
Maximum power supply voltage
Minimum operation supply voltage
#13 Operating voltage
*5
VCC max (0)
VCC max (1)
VCC max (2)
VCC min
VST OFF max
Non signal
Signal, RL 6
Signal, RL = 4
#13pin voltage
Thermal resistance
j-c Per power transistor
Junction temperature
Operating substrate temperature
Tj max
Tc max
Both the Tj max and Tc max
conditions must be met.
Storage temperature
Tstg
Allowable time for load short-circuit
*4
ts
VCC = 25V, RL = 6, f = 50Hz
PO = 25W, 1ch drive
Ratings
38
36
30
10
-0.3 to +5.5
4.2
150
125
-30 to +125
0.3
Unit
V
V
V
V
V
C/W
C
C
C
s
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating
Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability.
ORDERING INFORMATION
See detailed ordering and shipping information on page 12 of this data sheet.
Semiconductor Components Industries, LLC, 2013
April, 2013
41713HK/82912HKPC 018-11-0094 No.A2108-1/12
1 page  
PCB Layout Example
Top view
STK433-840N-E
No.A2108-5/12
5 Page 
STK433-840N-E
STK433-800 series Stand-by Control & Mute Control & Load-Short Protection
Application
(*1) Please use restriction resistance as there is no Stand-by
terminal voltage (#13pin) beyond maximun rating (VSTmax).
STK433-800N-E series
-PRE -Vcc
+Vcc
Ch1
OUT
Ch1
OUT
Ch2
OUT
Ch2
OUT
+PRE
SUB
GND
Ch1
IN
Ch1
NF
1 2 3 4 5 6 7 8 9 10 11 12
ST-BY
Ch2
NF
Ch2
IN
Ch3
NF
13 14 15 16
Ch3 Ch4
IN IN
17 18
Ch4 Ch3 Ch3 Ch4 Ch4
NF OUT OUT OUT OUT
19 20 21 22 23
56kΩ 6.8kΩ 56kΩ 6.8kΩ
6.8kΩ 56kΩ 6.8kΩ 56kΩ
1.3kΩ
(*1)
1kΩ
33kΩ
33μF Stand-by Control(ex)
/10V H:Operation Mode(+5V)
2kΩ L:Stand-by Mode(0V)
Load Short Protection
Circuit
22kΩ
56kΩ
1kΩ
0.1μF
10kΩ
R1
(*4)
Latch Up
Circuit
V1
+Vcc
GND
-Vcc
(*4) R1 is changed depending on the power-supply voltage(-Vcc).
Please set resistance(R1) to become [V1=0v] by the following calculation types.
Ch4 OUT
Ch3 OUT
Ch2 OUT
GND
GND
GND
GND
Ch1 OUT
Stand-by +5V
Control
Mute
Control
+5V
MUTE
ST-BY
PLAY
Ch4 IN
10kΩ
10kΩ
Ch3 IN
Ch2 IN
10kΩ
10kΩ
10kΩ
GND
Ch1 IN
2.2kΩ
Mute Control
H:Single Mute
L:Normal
MUTE ST-BY
[STK433-800N-E series Stand-By Control Example]
[Feature]
The pop noise which occurs to the time of power supply on/off can be improved substantially by recommendation
Stand-By Control Application.
Stand-By Control can be done by additionally adjusting the limitation resistance to the voltage such as micom, the set
design is easy.
(Reference circuit) STK433-800N-E series test circuit To Stand-By Control added +5V.
1kΩ (*3)
#13pin Stand-By OFF threshold.
VST
1.3KΩ(*1)
IST
33kΩ
∆VBE
33μF
(*2)
Stand-by Control
H:Operation Mode(+5V)
L:Stand-by Mode(0V)
2kΩ
(*3)
1 2 3 4 5 6 7 8 9 10 11 12 13
-PRE -Vcc +Vcc Ch1 Ch1 Ch2 Ch2 +PRE SUB GND
OUT OUT OUT OUT
Ch1 Ch1 ST-BY
IN NF
STK433-800N-E series
∆VBE
Bias Circuit
in PreDriver IC
14 15 16 17 18 19 20 21 22 23
Ch2 Ch2 Ch3
NF IN NF
2.2kΩ(*2)
Ch3 Ch4
IN IN
Ch4
NF
COehUx3)TStCOahUn3Td-BCOyhU4CT onCOthUro4Tl Voltage VST=+5v
VST is set by the limitation resistance(*1).
· IST =(VST-VBE*2)/((*1)+(*2))
=(5v-0.6v*2)/(2.2kΩ+1.3kΩ)
=1.09(mA)
· VST=IST×2.2kΩ+VBE=1.09×2.2k+0.6=3.0(V)
Switching transistor
in the bias circuit
[Operation explanation] #13pin Stand-By Control Voltage VST
(1) Operation Mode
The switching transistor in the bias circuit turns on and places the amplifier into the operating mode, when 13pin
(VST) voltage added above 2.5V (typ 3.0V).
(2) Stand-By Mode
When 13pin (VST) voltage is stopped (= 0V), the switching transistor in the bias circuit turn off, placing the
amplifier into the standby mode.
(*1) The current limiting resistor must be used to ensure that stand-by pin (13pin) voltage does not exceed its
maximum rated value VST max.
(*2) The pop noise level when the power is turned on can be reduced by setting the time constant with a capacitor
in operating mode.
(*3) Determines the time constant at which the capacitor (*2) is discharged in stand-by mode.
No.A2108-11/12
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet STK433-840N-E.PDF ] | |
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