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參數資料
| 型號： | ADM1185_07 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Quad Voltage Monitor and Sequencer |
| 中文描述： | 四電壓監視和時序 |
| 文件頁數： | 10/16頁 |
| 文件大小： | 270K |
| 代理商： | ADM1185_07 |
ADM1185
VOLTAGE MONITORING AFTER POWER-ON
Once PWRGD is asserted, the logical core latches into a different
mode of operation. During the initial power-up phase, each
output directly depends on an input (for example, VIN3 asserting
causes OUT3 to assert). When power-up is complete, this
function is redundant.
Once in the PWRGD state, the following behavior can be observed:
If the main 3.3 V supply monitored via VIN1 faults in the
power-good state, the PWRGD output is deasserted to
warn the downstream controller. All outputs (OUT1 to
OUT3) are immediately turned off, disabling all locally
generated supplies.
If a supply monitored by VIN2 to VIN4 fails, the PWRGD
output is deasserted to warn the controller, but the other
outputs are not deasserted.
Rev. 0 | Page 10 of 16
Figure 20 and Figure 21 are waveforms that highlight the
behavior of the ADM1185 under various fault situations during
normal operation (that is, in the mode of operation after
PWRGD is asserted).
STATE1
START
VIN1 = OK
(DELAY = 190ms TYP)
STATE2
OUT1
ON
VIN2 = OK
STATE3
OUT1, OUT2
ON
VIN3 = OK
STATE4
OUT1, OUT2, OUT3
ON
VIN4 = OK
STATE5
PWRGD
VIN2. VIN3. VIN4 = FAULT
VIN1 = FAULT
VIN1 = FAULT
VIN1 = FAULT
VIN1 = FAULT
0
Figure 19. Flow Diagram Highlighting the Different Modes of Operation
of the Logical Core
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相關代理商/技術參數 |
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| ADM1185ARMZ | 制造商:AD 制造商全稱:Analog Devices 功能描述:Quad Voltage Monitor and Sequencer |
| ADM1185ARMZ-1 | 制造商:Analog Devices 功能描述:VOLT SUPERVISOR MONITOR 10MSOP - Rail/Tube 制造商:Analog Devices 功能描述:VOLT MONITOR QUAD + SEQ SMD 1185 |
| ADM1185ARMZ-1REEL7 | 功能描述:IC VOLT MONITOR/SEQUENCER 10MSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 監控器 系列:- 標準包裝:100 系列:- 類型:簡單復位/加電復位 監視電壓數目:1 輸出:開路漏極，開路漏極 復位:高有效/低有效 復位超時:最小為 250 ms 電壓 - 閥值:4.37V，4.62V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:8-SOIC 包裝:管件 產品目錄頁面:1337 (CN2011-ZH PDF) |
| ADM1186 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Quad Voltage Up and Down Sequencer and Monitor with Programmable Timing |
| ADM1186-1ARQZ | 功能描述:IC SEQUENCER/MONITOR QUAD 20QSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 監控器 系列:- 其它有關文件:STM6905 View All Specifications 標準包裝:1 系列:- 類型:多壓監控器 監視電壓數目:5 輸出:開路漏極或開路集電極 復位:低有效 復位超時:最小為 140 ms 電壓 - 閥值:2.188V，2.955V，可調，可調，可調 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬） 供應商設備封裝:8-TSSOP 包裝:Digi-Reel® 產品目錄頁面:1197 (CN2011-ZH PDF) 其它名稱:497-8728-6 |
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