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參數資料
| 型號： | TLE4268 |
| 廠商： | SIEMENS AG |
| 英文描述： | 5-V Low-Drop Fixed Voltage Regulator |
| 中文描述： | 5 - V低拖放固定穩壓器 |
| 文件頁數： | 1/13頁 |
| 文件大小： | 138K |
| 代理商： | TLE4268 |
P-DSO-8-1
P-DSO-20-6
5-V Low-Drop Fixed Voltage Regulator
TLE 4268
Semiconductor Group
1
1998-11-01
Features
Output voltage tolerance
≤
±
2 %
Very low current consumption
Low-drop voltage
Watchdog
Settable reset threshold
Overtemperature protection
Reverse polarity protection
Short-circuit proof
Suitable for use in automotive electronics
Wide temperature range
Type
TLE 4268 GS
TLE 4268 G
Ordering Code
Q67006-A9229
Q67006-A9146
Package
P-DSO-8-1 (SMD)
P-DSO-20-6 (SMD)
Functional Description
This device is a 5-V low-drop fixed-voltage regulator. The maximum input voltage is
45 V. It can deliver an output current of at least 180 mA. The IC is short-circuit proof and
features temperature protection that disables the circuit in the event of impermissibly
high temperatures. The watchdog function is disabled as a function of the load, so that
a controller is not interrupted during sleep mode by a watchdog reset.
Application Description
The IC regulates an input voltage
V
i
in the range 5.5 V
<
V
i
<
45 V to
V
qrated
= 5.0 V. In
the event of an output voltage
V
Q
<
V
RT
, a reset signal is generated. The wiring of the
reset switching threshold input enables the value of
V
RT
to be reduced. The reset delay
time can be adjusted using an external capacitor. The integrated watchdog monitors the
connected active controller. If there is no positive-going edge at the watchdog input, the
reset output is set to low. The reset delay capacitor provides a wide adjustment range
for the pulse repetition time. The watchdog function is only activated if the load exceeds
8 mA. This ensures that a microcontroller is not activated during power-down and the
current drain is not increased. The IC is protected against overload and
overtemperature.
相關PDF資料 |
PDF描述 |
|---|---|
| TLE4268GS | 5-V Low-Drop Fixed Voltage Regulator |
| TLE4268G | 5-V Low-Drop Fixed Voltage Regulator |
| TLE4269 | 5-V Low-Drop Fixed Voltage Regulator |
| TLE4269A | 5-V Low-Drop Fixed Voltage Regulator |
| TLE4269G | 5-V Low-Drop Fixed Voltage Regulator |
相關代理商/技術參數 |
參數描述 |
|---|---|
| TLE4268_07 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:5-V Low Drop Fixed Voltage Regulator Output voltage tolerance ≤ ±2% |
| TLE4268G | 功能描述:低壓差穩壓器 - LDO LOW DROPOUT 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 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TLE4268GGEG | 制造商:Infineon Technologies AG 功能描述:5V L D FIXED V REG |
| TLE4268GNT | 制造商:Infineon Technologies AG 功能描述:LDO Regulator Pos 5V 0.18A 20-Pin DSO T/R |
| TLE4268GS | 功能描述:低壓差穩壓器 - LDO LOW DROPOUT 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 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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