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參數(shù)資料
| 型號： | PST620 |
| 廠商： | MITSUMI ELECTRIC |
| 英文描述： | System Reset (with battery back-up) Monolithic IC |
| 中文描述： | 系統(tǒng)復(fù)位（帶電池備份）單片集成電路 |
| 文件頁數(shù)： | 5/6頁 |
| 文件大?。?/td> | 193K |
| 代理商： | PST620 |
MITSUMI
System Reset (with battery back-up) PST620, 621
Timing Chart
V
CC
1
V
CC
2
CE
TC
RE
CE
4.2V
2.15V
V
TX
Delay
Delay
Note : Connect V
AC
pin to V
CC
when not using.
AC power supply
AC rectifier or
regulator
primary side
Note 1: VTH is set at 2.0V and hysteresis voltage at 90mV.
1. Use a resistor to divide the detected voltage so that it equals V
TH
when monitoring regulator
primary side power supply.
2. When monitoring AC voltage rectified as in the application circuit, set so that it equals V
TH
by
lowering the constant and dividing with a resistor. Refer to application circuit diagram.
Note 2: VAC input and VS1 are OR, so either signal makes CE low when power outage is detected.
PST620
PST621
AC
V
CC
1
CE
MODE
V
CC
2
RESET
4.2V
3.1V
Application Circuits
V
AC
input : Power supply transformer secondary voltage detection
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PST621 | 制造商:MITSUMI 制造商全稱:Mitsumi Electronics, Corp. 功能描述:System Reset (with battery back-up) Monolithic IC |
| PST623 | 制造商:MITSUMI 制造商全稱:Mitsumi Electronics, Corp. 功能描述:System Reset |
| PST623XS | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage Detector |
| PST623XW | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage Detector |
| PST-7 | 制造商:Panduit Corp 功能描述: |
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