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TDA7377 PDF 데이터시트 ( Data , Function )

부품번호 TDA7377 기능
기능 2 x 30WDUAL/QUAD POWER AMPLIFIER FOR CAR RADIO
제조업체 ST Microelectronics
로고 ST Microelectronics 로고 



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TDA7377 데이터시트, 핀배열, 회로
TDA7377
2 x 30W DUAL/QUAD POWER AMPLIFIER FOR CAR RADIO
HIGH OUTPUT POWER CAPABILITY:
2 x 35W max./4
2 x 30W/4EIAJ
2 x 30W/4EIAJ
2 x 20W/4@14.4V, 1KHz, 10%
4 x 6W/4@14.4V, 1KHz, 10%
4 x 10W/2@14.4V, 1KHz, 10%
MINIMUM EXTERNAL COMPONENTS
COUNT:
– NO BOOTSTRAP CAPACITORS
– NO BOUCHEROT CELLS
– INTERNALLY FIXED GAIN (26dB BTL)
ST-BY FUNCTION (CMOS COMPATIBLE)
NOAUDIBLE POPDURING ST-BYOPERATIONS
DIAGNOSTICS FACILITY FOR:
– CLIPPING
– OUT TO GND SHORT
– OUT TO VS SHORT
– SOFT SHORT AT TURN-ON
– THERMAL SHUTDOWN PROXIMITY
Protections:
OUPUT AC/DC SHORT CIRCUIT
BLOCK DIAGRAM
MULTIWATT15V
MULTIWATT15H
ORDERING NUMBERS:
TDA7377V
TDA7377H
– TO GND
– TO VS
– ACROSS THE LOAD
SOFT SHORT AT TURN-ON
OVERRATING CHIP TEMPERATURE WITH
SOFT THERMAL LIMITER
LOAD DUMP VOLTAGE SURGE
VERY INDUCTIVE LOADS
FORTUITOUS OPEN GND
REVERSED BATTERY
ESD
September 1998
DIAGNOSTICS
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TDA7377 pdf, 반도체, 판매, 대치품
TDA7377
STANDARD TEST AND APPLICATION CIRCUIT
Figure 1: Quad Stereo
ST-BY
IN FL
IN FR
IN RL
IN RR
Note:
C9, C10, C11, C12 could be
reduced if the 2operation is not
required.
10K R1
C7
10µF
C1 0.22µF
C2 0.22µF
C4 0.22µF
C3 0.22µF
C8 47µF
7
4
5
12
11
6
8
Figure 2: Double Bridge
C6
100nF
VS
C5
1000µF
13 3
1
C10 2200µF
OUT FL
2
C9 2200µF
OUT FR
15
C11 2200µF
OUT RL
14
9 10 C12 2200µF
DIAGNOSTICS
D94AU063A
OUT RR
10K R1
ST-BY
IN L
C1 0.47µF
C5
10µF
47
5
IN R
C2 0.47µF
12
11
C8 47µF
6
8
C4
100nF
13 3 1
2
15
14
9 10
DIAGNOSTICS
VS
C3
1000µF
OUT L
OUT R
D94AU064A
Figure 3: Stereo/Bridge
4/10
ST-BY
10K
IN L
0.22µF
IN L
0.22µF
IN BRIDGE
0.47µF
47µF
10µF
100nF
VS
1000µF
47
5
12
11
6
8
13 3 1
2200µF
OUT L
2
2200µF
OUT R
15
14
9 10
OUT
BRIDGE
DIAGNOSTICS
D94AU065A

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TDA7377 전자부품, 판매, 대치품
Figure 24: Fault Waveforms
TDA7377
ST-BY PIN
VOLTAGE
2V
OUTPUT
WAVEFORM
OUT TO Vs SHORT
SOFT SHORT
OUT TO GND SHORT
t
t
Vpin 10
CORRECT TURN-ON
FAULT DETECTION
CHECK AT TURN-ON
(TEST PHASE)
D94AU149A
SHORT TO GND
OR TO Vs
t
TION
As various kinds of information is available at the
same pin (clipping detection, output fault, thermal
proximity), this signal must be handled properly in
Figure 25: Waveforms
order to discriminate each event.
This could be done by taking into account the dif-
ferent timing of the diagnostic output during each
case.
ST-BY PIN
VOLTAGE
Vs
OUTPUT
WAVEFORM
Vpin 10
WAVEFORM
t
t
D94AU150
CLIPPING
SHORT TO GND THERMAL
OR TO Vs
PROXIMITY
t
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-----------------------------------------------------------------------

전력 반도체 판매 ( IGBT, TR 모듈, SCR, 다이오드 모듈 )

상호 : 아이지 인터내셔날

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