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參數資料
| 型號： | PST421A390NR |
| 廠商： | MITSUMI ELECTRIC CO LTD |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3 |
| 封裝： | SOT-23, 3 PIN |
| 文件頁數： | 1/11頁 |
| 文件大小： | 81K |
| 代理商： | PST421A390NR |
MITSUMI
IC for CMOS System Reset PST4XXAXXXN
IC for CMOS System Reset
Monolithic IC PST4XXAXXXN Series
Outline
This is a system reset IC developed using the CMOS process. The CMOS process allows ultra-low current
consumption of 1.5A(typ.). Further, a fixed delay timer is built in, so that supply voltage is verified when the
power is turned on or interrupted to reset the system accurately.
Features
1. Detection voltage accuracy
±1.5% (25C, VDD = VDET + 0.1)
2. Low current consumption
SOT-23 : 1.5A
3. No external capacitor for delay timer required
Built-in delay timer
SOT-23 : 50/100/200/240/400ms
4. Enhanced rank lineup available for detection voltage, package, output configuration and delay timer.
5. Operating temperature range supporting automotive devices -40 ~ +105C.
Package
SOT-23A
Applications
1. Reset circuits for microcomputers, CPUs and MPUs
2. Reset circuits for logic circuits
3. Battery voltage check circuits
4. Back-up power supply switching circuits
5. Level detection circuits
6. Mechanical reset circuits
Pin Assignment
12
3
SOT-23A
1
GND
2
VOUT
3
VDD
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