TB2901HQ Datasheet, PDF (14/16 Pages) Toshiba Semiconductor – Maximum Power 47 W BTL × 4-ch Audio Power IC

300
VCC = 13.2 V
RL = 4 Ω
Filter
~20 kHz
200
V_NO – R_g
100
1ch~4ch
0
10
100
1k
10 k
100 k
Signal source resistance Rg (Ω)
400
RL = Ê¿
VIN = 0
300
I_CCQ – V_CC
200
100
0
0
10
20
30
Supply voltage VCC (V)
TB2901HQ(O)
80
f = 1 kHz
RL = 4 Ω
4ch drive
60
40
P_D – P_OUT
18 V
16 V
20
13.2 V
9.0 V
0
0
10
15
20
25
Output power POUT (W)
120
100
80
(1)
60
P_D MAX – Ta
(1) INFINITE HEAT SINK
RθJC = 1°C/W
(2) HEAT SINK (RθHS = 3.5°C/W)
RθJC + RθHS = 4.5°C/W
(3) NO HEAT SINK
RθJA = 39°C/W
40
20
(2)
(3)
0
0
25
50
75
100
125
150
Ambient temperature Ta (°C)
14
2004-10-15