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參數(shù)資料
| 型號(hào)： | TDA3608THQ |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Multiple voltage regulators with switch |
| 中文描述： | 與開關(guān)穩(wěn)壓器多 |
| 文件頁(yè)數(shù)： | 14/20頁(yè) |
| 文件大?。?/td> | 123K |
| 代理商： | TDA3608THQ |
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1997 Aug 14
14
Philips Semiconductors
Preliminary specification
Multiple voltage regulator with switch
TDA3608Q
S
TABILITY
The regulators are made stable with the external
connected output capacitors. The output capacitors can be
selected using the graphs of Figs 7 and 8.
When an electrolytic capacitor is used, the temperature
behaviour of this output capacitor can cause oscillations at
low temperature. The next two examples show how an
output capacitor value is selected.
Example 1
The regulator 1 is made stable with an electrolytic output
capacitor of 220
μ
F, Equivalent Series Resistance
(ESR) = 0.15
. At
30
°
C the capacitor value is
decreased to 73
μ
F and the ESR is increased to 1.1
.
The regulator will remain stable at
30
°
C (see Fig.7).
Example 2
The regulator 2 is made stable with a 10
μ
F electrolytic
capacitor (ESR = 3
). At
30
°
C the capacitor value is
decreased to 3
μ
F and the ESR is increased to 23.1
.
The regulator will be instable at
30
°
C (see Fig.8).
Solution
Use a tantalum capacitor of 10
μ
F or a larger electrolytic
capacitor. The use of tantalum capacitors is recommended
to avoid problems with stability at low temperatures.
Fig.7
Curves for selecting value of output
capacitor for regulators 1 and 3.
handbook, halfpage
1
0
1
10
C (
μ
F)
2
3
4
stable region
maximum ESR
minimum ESR
100
R
(
)
Fig.8
Curves for selecting value of output
capacitor for regulator 2.
handbook, halfpage
2
0
0.22
1
10
C (
μ
F)
MBK099
4
6
8
10
12
stable region
maximum ESR
minimum ESR
100
R
(
)
14
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| TDA3609 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Multiple voltage regulator with switch and ignition buffers |
| TDA3609JR | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Multiple voltage regulator with switch and ignition buffers |
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| TDA3615J/N2,112 | 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) CARRADIO POWER AMPLIFIERS RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負(fù)載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
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