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January 1992 5
Philips Semiconductors Product specification
24 W BTL or 2 x 12 W stereo car radio
power amplifier
TDA1510AQ
HEATSINK DESIGN EXAMPLE
The derating of the encapsulation requires the following external heatsink (for sine-wave drive):
(R
th j-mb
) = 3,5 K/W
24 W BTL (4 Ω) or 2 × 12 W stereo (2 Ω); maximum sine-wave dissipation = 12 W;
T
amb
=65°C (maximum):
2 × 7 W stereo (4 Ω); maximum sine-wave dissipation = 6 W; T
amb
=65°C (maximum):
D.C. CHARACTERISTICS
PARAMETER CONDITIONS SYMBOL MIN. TYP. MAX. UNIT
Supply voltage range V
P
6,0 14,4 18,0 V
Repetitive peak output current I
ORM
−−4,0 A
Total quiescent current I
tot
− 75 120 mA
Stand-by current I
sb
−−2mA
Switch-on current V
11
≤ V
10
; note 1 I
so
0,15 0,35 0,80 mA
R
th h-a
150 65–
12
----------------------
3,5 3,5 K/W=–=
R
th h-a
150 65–
12
----------------------
3,5 10,5 K/W=–=