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TDA1010A View Datasheet(PDF) - Philips Electronics

Part Name
Description
Manufacturer
TDA1010A Datasheet PDF : 22 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
Philips Semiconductors
6 W audio power amplifier in car applications
10 W audio power amplifier in mains-fed applications
Product specification
TDA1010A
RATINGS
Limiting values in accordance with the Absolute Maximum System (IEC 134)
Supply voltage
Peak output current
Repetitive peak output current
Total power dissipation
Storage temperature
Operating ambient temperature
A.C. short-circuit duration of load during sine-wave drive; without heatsink at
VP = 14,4 V
VP max.
24
V
IOM max.
5
A
IORM max.
3
A
see derating curve Fig.2
Tstg 55 to +150
°C
Tamb 25 to +150
°C
tsc max. 100 hours
Fig.2 Power derating curve.
HEATSINK DESIGN
Assume VP = 14,4 V; RL = 2 ; Tamb = 60 °C maximum; thermal shut-down starts at Tj = 150 °C. The maximum sine-wave
dissipation in a 2 load is about 5,2 W. The maximum dissipation for music drive will be about 75% of the worst-case
sine-wave dissipation, so this will be 3,9 W. Consequently, the total resistance from junction to ambient
Rth j-a = Rth j-tab + Rth tab-h + Rth h-a = -1---5---30---,---9----6---0-- = 23 K/W .
Since Rth j-tab = 10 K/W and Rth tab-h = 1 K/W,
Rth h-a = 23 (10 + 1) = 12 K/W.
November 1982
4
 

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