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TS4268CS50

更新时间： 2024-02-15 20:49:19
品牌 Logo 应用领域
TSC 稳压器
页数 文件大小 规格书
7页 255K
描述
180mA Ultra Low Dropout Voltage Regulator with Reset & Watchdog Function

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中文翻译

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TS4268CS50 技术参数

生命周期：Obsolete包装说明：ROHS COMPLIANT, SOP-8
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.84
最大回动电压 1：0.5 V最大输入电压：28 V
最小输入电压：6 VJESD-30 代码：R-PDSO-G8
功能数量：1端子数量：8
工作温度TJ-Max：125 °C工作温度TJ-Min：-40 °C
最大输出电流 1：0.15 A最大输出电压 1：5.1 V
最小输出电压 1：4.9 V标称输出电压 1：5 V
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
认证状态：Not Qualified调节器类型：FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
表面贴装：YES端子形式：GULL WING
端子位置：DUALBase Number Matches：1

TS4268CS50 数据手册

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Preliminary  
180mA Ultra Low Dropout Voltage Regulator  
TS4268  
with Reset & Watchdog Function  
SOP-8  
Pin Definition:  
1. Input  
8. Output  
2. N/C  
7. Watchdog  
3. Reset Output 6. Radj  
4. Ground 5. Reset Delay  
General Description  
TS4268 is a low dropout voltage regulator. The maximum input voltage is 45 V. It can deliver an output current of at  
least 180mA. TS4268 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  
TS4268 regulates an input voltage in the range 5.5V ~ 45V. In the event of an output voltage Vout < VRT, a reset signal  
is generated. The wiring of the reset switching threshold input enables the value of VRT 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 8mA.  
This ensures that a microcontroller is not activated during power-down and the current drain is not increased.  
Features  
Ordering Information  
●
●
●
●
●
●
●
●
●
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Output voltage tolerance < ± 2 %  
Part No.  
Package  
SOP-8  
Packing  
Very low current consumption  
Low-drop voltage  
TS4268CS50 RL  
2.5Kpcs/ 13” Reel  
Watchdog  
Settable reset threshold  
Over temperature protection  
Reverse polarity protection  
Short-circuit proof  
Suitable for use in automotive electronics  
Wide temperature range  
Pin Description  
Pin No.  
Symbol  
Pin Description  
1
2
IN  
Input Voltage. block to ground directly with ceramic capacitor  
N/C  
Not Connected  
Reset Output. the open collector output is connected to the 5V output via an  
integrated resistor of 30kΩ  
3
RO  
4
5
GND  
RD  
Ground  
Reset Delay. connect a capacitor to ground for delay time adjustment.  
Reset Switching Threshold. for setting the switching threshold, output to ground with  
voltage divider. If this input is connected to ground, the reset is triggered at an output  
voltage of 4.5V.  
6
RADJ  
7
8
WI  
Watchdog Input. positive-edge-triggered input for monitoring a microcontroller.  
Output Voltage. block to ground with 22uF capacitor, ESR <3Ω  
OUT  
1/7  
Version: Preliminary  
1234567

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