UTCTDA2003 Ver la hoja de datos (PDF) - Unisonic Technologies
Número de pieza
componentes Descripción
Fabricante
UTCTDA2003 Datasheet PDF : 8 Pages
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UTC TDA2003
SVR
(dB)
0
-20
-40
Fig. 10 Supply voltage
rejection vs.frequency
Vs=14.4V
Vripple=0.5V
Gv=40dB
f=1kHz
Rg=10kΩ
R2=22 Ω
-60
R2=1 Ω
LINEAR INTEGRATED CIRCUIT
Fig. 11 Power dissipation
and efficiency vs. output
power(Rl=4 Ω)
Ptot
(W)
8
η
Vs=14.4V
6
Gv=40dB
f=1kHz
4
Ptot
2
η
Ptot
(%) (W)
80
8
60
6
Fig. 12 Power dissipation
and efficiency vs. output
power(Rl=2 Ω)
Vs=14.4V
Gv=40dB
f=1kHz
40
4
20
2
¦Ç
(%)
80
60
40
20
-80
10
2
3
4
5
10
10
10
10
frequency(Hz)
Fig. 13 Maximum Power
dissipation and supply
voltage(sine wave operation)
Ptot
(W)
20
15
10
5
0
0
RL=1.6 Ω
RL=2 Ω
RL=3.2 Ω
RL=4 Ω
5
10
15
20 Vs(V)
0
0
0
2
4
6
8
Po(W)
Fig. 14 Maximum allowable
dissipation and ambient
temperature
Ptot
(W)
20
infinite heatsink
15
10
5
0
0
10¢XC/W
30¢XC/W
50
100
150
200
Tamb(¢XC)
0
0
0
2
4
6
8
Po(W)
100
Cx
(nF)
Fig. 15 Typical values of
capacitor(Cx) for different
values of frequency
response
B=10kHz
B=15kHz
10
B=20kHz
R2=2.2Ω
1
36
40
44
48 Gv(dB)
APPLICATION CIRCUIT
+Vs
Vi
C1
1 µF
1
5
UTC
TDA2003
2
3
Rx
39Ω
Cx
39nF
C2
470 µF
C3
100nF
C4
4
1000 µF
R1
220Ω R3
1Ω
RL
R2
2.2Ω
Rx=20*R2
Cx=1/(2πB*R1)
Fig 16 Typical Application Circuit
UTC UNISONIC TECHNOLOGIES CO., LTD. 5
QW-R107-002,A
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