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What is TDA7253L?

This electronic component, produced by the manufacturer "STMicroelectronics", performs the same function as "6W AMPLIFIER".


TDA7253L Datasheet PDF - STMicroelectronics

Part Number TDA7253L
Description 6W AMPLIFIER
Manufacturers STMicroelectronics 
Logo STMicroelectronics Logo 


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TDA7253L
6W AMPLIFIER WITH MUTING
1 FEATURES
WIDE SUPPLY VOLTAGE RANGE
6W @ VS = 20V, RL = 8, THD=10%
MUTE FACILITY (POP FREE) WITH LOW
CONSUMPTION
AC SHORT CIRCUIT PROTECTION
THERMAL OVERLOAD PROTECTION (150°C
2 DESCRIPTION
The TDA7253L is class AB audio power amplifier
assembled in the Single in Line 10 pins Package.
Figure 1. Package
SIP10
Table 1. Order Codes
Part Number
TDA7253L
Package
SIP10
Figure 2. Test and Application Circuit
=
MUTE
SW
R7 820
CSVR
100µF
3
+VS
C4
0.1µF
9
C5
470µF
TDA7253L
C2
5
IN
7
(L) 100nF
27K
4
CF
6 47µF
D02AU1429
C11 1000µF
R3
1.5K
R4
47
C9
0.1µF
R6
4.7
RL
September 2004
Rev. 2
1/8
Free Datasheet http://www.datasheet4u.com/

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TDA7253L equivalent
TDA7253L
3 HEAT SINK DIMENSIONING:
In order to avoid the thermal protection intervention, that is placed approximatively at Tj = 150°C, it is important
the dimensioning of the Heat Sinker RTh (°C/W).
The parameters that influence the dimensioning are:
– Maximum dissipated power for the device (Pdmax)
– Max thermal resistance Junction to case (RTh j-c)
– Max. ambient temperature Tamb max
– Quiescent current Iq (mA)
3.1 Example:
VCC = 20V, Rload = 8ohm, RTh j-c = 9 °C/W , Tamb max = 50°C
Pdmax = (N° channels) · Π------22----V---R-c---cl--o2---a---d- + Iq Vcc
Pdmax = 1 · ( 2.5 ) + 0.5 = 3W
(Heat Sinker) RTh c-a = 1----5---0-----–P-----dT----am---m-a---xb-----m----a--x- – RTh j-c = 1----5---0---6--–-----5---0-- – 9 = 24.3°C /W
In figure 8 is shown the Power derating curve for the device.
Figure 11. Power Derating Curve
10
8
6
(c)
4
(d)
2
0
0 40
(a)
(b)
80
Tamb (°C)
120
a) Infinite Heatsink
b) 10 °C/ W
c) 15 °C/ W
d) 20 °C/ W
160
5/8
Free Datasheet http://www.datasheet4u.com/


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Featured Datasheets

Part NumberDescriptionMFRS
TDA7253The function is 8W AMPLIFIER WITH MUTING. ST MicroelectronicsST Microelectronics
TDA7253LThe function is 6W AMPLIFIER. STMicroelectronicsSTMicroelectronics

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