參數(shù)資料
型號: TDA8589BJ
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): 50/55頁
文件大?。?/td> 561K
代理商: TDA8589BJ
2004 Feb 24
50
Philips Semiconductors
Product speci
cation
I
2
C-bus controlled 4 45 Watt power
ampli
er and multiple voltage regulator
TDA8589J; TDA8589xJ
E
XAMPLE REGULATOR
2
Regulator 2 (BU5V) is stabilized with an electrolytic output capacitor of 10 Fwhich has an ESRof 4
the capacitor value decreases to 3 F and its ESR increases to 28
in Fig.34, and which will make the regulator unstable. To avoid problems with stability at low temperatures, the
recommended solution is to use tantalumcapacitors. Eitheruse a tantalumcapacitorof 10 F,or an electrolytic capacitor
with a higher value.
. At T
amb
= 30 C
which is above the maximum allowed as shown
0
0.1
1
10
C ( F)
stable region
maximum ESR
100
ESR
( )
20
15
10
5
Fig.34 Curve for selecting the value of output capacitors for regulators 1 to 5.
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