參數(shù)資料
型號(hào): TDA1011
廠商: NXP Semiconductors N.V.
英文描述: 2 to 6 W audio power amplifier
中文描述: 2至6 W音頻功率放大器
文件頁(yè)數(shù): 4/14頁(yè)
文件大小: 304K
代理商: TDA1011
November 1982
4
Philips Semiconductors
Product specification
2 to 6 W audio power amplifier
TDA1011
RATINGS
Limiting values in accordance with the Absolute Maximum System (IEC 134)
HEATSINK DESIGN
Assume V
P
= 12 V; R
L
= 4
; T
amb
= 60
°
C maximum; P
o
= 3,8 W.
The maximum sine-wave dissipation is 1,8 W.
The derating of 10 K/W of the package requires the following external heatsink (for sine-wave drive):
60
1 8
R
th j-a
= R
th j-tab
+ R
th tab-h
+ R
th h-a
=
Since R
th j-tab
= 10 K/W and R
th tab-h
= 1 K/W, R
th h-a
= 50
(10 + 1) = 39 K/W.
= 50 K/W.
Supply voltage
Peak output current
Total power dissipation
Storage temperature
Operating ambient temperature
A.C. short-circuit duration of load
during sine-wave drive; V
P
= 12 V
V
P
I
OM
see derating curve Fig.2
T
stg
T
amb
max.
max.
24 V
3 A
55 to + 150
°
C
25 to + 150
°
C
t
sc
max.
100 hours
Fig.2 Power derating curve.
150
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