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參數(shù)資料
| 型號(hào)： | TLE4290 |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 英文描述： | 5-V Low-Drop Voltage Regulator |
| 中文描述： | 5V的低壓降穩(wěn)壓器 |
| 文件頁數(shù)： | 8/18頁 |
| 文件大?。?/td> | 210K |
| 代理商： | TLE4290 |
TLE 4290
Data Sheet Rev. 1.4
8
2001-10-18
Application Information
Figure 4
Application Diagram
Input, Output
An input capacitor is necessary for damping line influences. A resistor of approx. 1
in
series with
C
I
, can damp the LC of the input inductivity and the input capacitor.
The TLE 4290 requires an output capacitor of at least 22
μ
F with an ESR below 5
for
stability.
Power Good
The Power Good pin informs e.g. the micro-controller in case the output voltage has
fallen below a threshold of typ. 3.65 V. When the battery voltage is supplied the Power
Good signal indicates a loss of memory due to missing power. After the Memory Good
switching threshold is reached the Power Good output remains low for the Power Good
delay time. This time can be set by the user with an external capacitor at pin D according
to the requirements of the application, e.g. the time until the microcontroller is initialized
and ready to receive any information.
AES02822
Current
and
Saturation
Control
Band-
Gap-
Reference
TLE 4290
Power
Good
Control
2
5
I
4
C
I
1
C
I
2
V
BAT
C
47 nF
GND
R
PG
5 k
22
μF
μ-Controller
V
CC
NMI /
PORT
Internal
Reset
D
PG
Q
100
nF
C
Q2
C
Q1
1
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| TLE4295GV30 | Low-Drop Voltage Regulator |
| TLE4295GV33 | Low-Drop Voltage Regulator |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TLE4290_07 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:5-V Low Drop Voltage Regulator |
| TLE4290D | 功能描述:低壓差穩(wěn)壓器 - LDO 5V LW Drop VOLT REGULATOR 200mA 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 |
| TLE4290DATMA1 | 制造商:Infineon Technologies AG 功能描述:LINEAR VOLTAGE REGULATOR - Tape and Reel 制造商:Infineon Technologies AG 功能描述:IC REG LDO 5V 0.4A TO252-5 |
| TLE4290DNTMA1 | 制造商:Infineon Technologies AG 功能描述:LDO Regulator Pos 5V 0.45A 5-Pin(4+Tab) TO-252 制造商:Infineon Technologies AG 功能描述:LINEAR VOLTAGE REGULATOR - Tape and Reel |
| TLE4290DXT | 功能描述:低壓差穩(wěn)壓器 - LDO 5-V Low Drop 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 |
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