參數(shù)資料
型號： TDA8589J
廠商： NXP SEMICONDUCTORS
元件分類： 消費家電
英文描述： I2C-bus controlled 4 45 Watt power amplifier and multiple voltage regulator
中文描述： SPECIALTY CONSUMER CIRCUIT, PZFM37
封裝： PLASTIC, SOT725-1, 37 PIN
文件頁數(shù)： 28/55頁
文件大?。?/td> 561K
代理商： TDA8589J
2004 Feb 24
28
Philips Semiconductors
Product speci
cation
I
2
C-bus controlled 4 45 Watt power
ampli
er and multiple voltage regulator
TDA8589J; TDA8589xJ
Notes
1.
2.
3.
The quiescent current is measured in standby mode when R
L
=
The rise and fall times are measured with a 50 pF load capacitor.
The reset delay time depends on the value of the reset delay capacitor:
C
ch
.
4.
5.
6.
7.
The dropout voltage of a regulator is the voltage difference between V
P
and V
O(REGn)
.
At current limit, V
O(REGn)
is held constant (see Fig.6).
The foldback current protection limits the dissipation power at short-circuit (see Fig.6).
The dropout voltage of regulator 2 is the voltage difference between V
BUCAP
and V
O(REG2)
.
Power switch 2: SW2 (ampli
er)
V
drop(SW2)
dropout voltage
I
O
= 300 mA
I
O
= 400 mA
V
O
8.5 V
0.6
0.6
1
0.8
1.1
V
V
A
I
limit
Backup switch
current limit
0.5
I
DC(BU)
V
clamp(BU)
continuous current
clamping voltage
V
BUCAP
V
P
= 30 V;
I
O(REG2)
= 100 mA
I
O
= 500 mA;
(V
P
V
BUCAP
)
6 V
0.4
1.5
24
A
V
28
V
drop
dropout voltage
0.6
0.8
V
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
t
d rst
---------I
V
th rst
=
C
RESCAP
750
10
3
s
=
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參數(shù)描述
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