參數(shù)資料
型號(hào)： TDA3618JR
廠商： NXP SEMICONDUCTORS
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： Multiple voltage regulator with switch and ignition buffers(帶開關(guān)和點(diǎn)火緩沖器的多路輸出穩(wěn)壓器)
中文描述： TRIPLE OUTPUT, FIXED POSITIVE REGULATOR, PZIP17
封裝： 12 MM LEAD LENGTH, POWER, PLASTIC, SOT-475-1, DIL-BENT-SIL, 17 PIN
文件頁(yè)數(shù)： 18/24頁(yè)
文件大?。?/td> 110K
代理商： TDA3618JR
1999 Sep 01
18
Philips Semiconductors
Preliminary specification
Multiple voltage regulator with switch and
ignition buffers
TDA3618JR
Application information
N
OISE
Table 1
Noise figures
Note
1.
Measured at a bandwidth of 200 kHz.
The noise on the supply line depends on the value of the
supply capacitor and is caused by a current noise (the
output noise of the regulators is translated to a current
noise by the output capacitors). When a high frequency
capacitor of 220 nF in parallel with an electrolytic capacitor
of 100
μ
F is connected directly to pins 1 and 14 (supply
and ground), the noise is minimal.
S
TABILITY
The regulators are stabilized with the externally connected
output capacitors.
The output capacitors can be selected by using the graphs
of Figs 9 and 10. When an electrolytic capacitor is used,
the temperature behaviour of this output capacitor can
causeoscillationsatalowtemperature.The two examples
below show how an output capacitor value is selected.
Example 1
Regulators 1 and 3 are stabilized with an electrolytic
output capacitor of 220
μ
F (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 remains stable at
30
°
C.
Example 2
Regulator 2 is stabilized 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
. Using Fig.10,
the regulator will be instable at
30
°
C.
Solution
To avoid problems with stability at low temperatures, the
use of tantalum capacitors is recommended. Use a
tantalum capacitor of 10
μ
F or a larger electrolytic
capacitor.
REGULATOR
NOISE FIGURE (
μ
V)
(1)
C
o
= 10
μ
F
tbf
tbf
tbf
C
o
= 47
μ
F
150
150
200
C
o
= 100
μ
F
tbf
tbf
tbf
1
2
3
Fig.9
Curve for selecting the value of output
capacitor for regulators 1 and 3.
handbook, halfpage
0
0.1
1
10
C (
μ
F)
MGK612
stable region
maximum ESR
100
R
(
)
15
10
5
Fig.10 Curve for selecting the value of output
capacitor for regulator 2.
handbook, halfpage
2
0
0.22
1
10
C (
μ
F)
MGK613
4
6
8
10
12
stable region
maximum ESR
minimum ESR
100
R
(
)
14
相關(guān)PDF資料
PDF描述
TDA3653B Vertical deflection and guard circuit(垂直偏轉(zhuǎn)與防護(hù)電路)
TDA3653C Vertical deflection and guard circuit（110）(垂直偏轉(zhuǎn)與防護(hù)電路（90度）)
TDA3654 Vertical deflection and guard circuit（90）(垂直偏轉(zhuǎn)與防護(hù)電路（110度）)
TDA3654Q Vertical deflection and guard circuit（90）(垂直偏轉(zhuǎn)與防護(hù)電路（110度）)
TDA3661 Very low dropout voltage/quiescent current adjustable voltage regulator(低壓差/靜態(tài)電流可調(diào)電壓穩(wěn)壓器)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TDA3618JR/N1,112 功能描述:低壓差穩(wěn)壓器 - LDO CARRADIO POWER AMPLIFIERS RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
TDA3618JR/N1C 功能描述:低壓差穩(wěn)壓器 - LDO VOLTAGE REGULATOR RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
TDA3618JR/N1C,112 功能描述:低壓差穩(wěn)壓器 - LDO VOLTAGE REGULATOR RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
TDA3619/N2,112 制造商:NXP Semiconductors 功能描述:
TDA3629 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Light position controller
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