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參數資料
| 型號： | ADM6821ZART-RL |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 電源管理 |
| 英文描述： | Low Voltage Supervisory Circuits with Watchdog & Manual Reset in 5-Lead SOT-23 |
| 中文描述： | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO5 |
| 封裝： | MO-178AA, SOT-23, 5 PIN |
| 文件頁數： | 4/7頁 |
| 文件大小： | 133K |
| 代理商： | ADM6821ZART-RL |
ADM6821–ADM6825
Preliminary Technical Data
PIN CONFIGURATIONS AND FUNCTIONAL DESCRIPTIONS
Rev.PrA | Page 4 of 7
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Table 4. Pin Functional Descriptions
Pin No.
1
Name
RESET (ADM6822/23/24/25)
Description
Active-Low Reset Output, which is asserted whenever V
CC
is below the reset.threshold,
V
TH
.
Open-Drain Output Stage for ADM6822.
Push-Pull Output Stage for ADM6823/24/25.
Active-High Reset Output
Ground
Manual Reset Input. This is an active-low input which, when forced low for at least 1μs,
generates a reset.
Features a 52k internal pull-up.
Active-High Push-Pull Reset Output.
Watchdog Input. Generates a reset if the voltage on the pin remains low or high for the
duration of the watchdog timeout. The timer is cleared if a logic transition occurs on this
pin or if a reset is generated.
Manual Reset Input.
Power Supply Voltage being Monitored
2
3
RESET (ADM6821)
GND
MR (ADM6821/22/23)
4
RESET (ADM6824/ADM6825)
WDI (ADM6821/22/23/24)
5
MR (ADM6825)
V
CC
ESD CAUTION
`
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the
human body and test equipment and can discharge without detection. Although this product features
proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy
electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance
degradation or loss of functionality.
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