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參數(shù)資料
| 型號(hào)： | ISL88706 |
| 廠(chǎng)商： | Intersil Corporation |
| 英文描述： | UP Supervisor with Watchdog Timer,Power-Fail Comparator, Manual Reset and Adjustable Power-On Reset |
| 中文描述： | 與看門(mén)狗定時(shí)器，電源故障比較器，手動(dòng)復(fù)位和可調(diào)電源監(jiān)控復(fù)位， |
| 文件頁(yè)數(shù)： | 10/13頁(yè) |
| 文件大?。?/td> | 518K |
| 代理商： | ISL88706 |
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10
FN8092.0
October 18, 2005
Bipolar Voltage Sensing
Any of the ISL88705 - ISL88813 devices can be used to
sense and report the presence of both a positive and
negative voltage via the PFI and PFO as shown in Figure 16.
The V
DD
monitors the positive voltage as normal and the
PFI monitors the presence of the negative supply. As the
differential voltage across the R1, R2 divider is increased the
resistor values must be chosen such that the PFI node is
<1.25V when the -V supply is satisfactory and the positive
supply is at its maximum specified value. This allows the
positive supply to fluctuate within its acceptable range
without signaling a reset. Driving the MR with the inverted
PFO signal as shown provides for reset generation when -V
is not satisfactorily present. Reset will remain asserted as
long as PFO is high.
FIGURE 14. 5V OV/UV MONITORING
FIGURE 15. ISL88075EVAL1
RESET
V
DD
5.5V OV
FIGURE 16. ±5V MONITORING
+5V
ISL8870X
-5V
100k
100k
2N3904
MR
RST
PFO
PFI
R1
R2
V+
V-
RESET
ISL88705, ISL88706, ISL88707, ISL88708, ISL88716, ISL88813
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| ISL88707 | UP Supervisor with Watchdog Timer,Power-Fail Comparator, Manual Reset and Adjustable Power-On Reset |
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| ISL88716IB826Z | UP Supervisor with Watchdog Timer,Power-Fail Comparator, Manual Reset and Adjustable Power-On Reset |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISL88706IB826Z | 功能描述:IC SUPERVISOR 2.63V 8-SOIC RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 類(lèi)型:簡(jiǎn)單復(fù)位/加電復(fù)位 監(jiān)視電壓數(shù)目:1 輸出:開(kāi)路漏極或開(kāi)路集電極 復(fù)位:低有效 復(fù)位超時(shí):最小為 600 ms 電壓 - 閥值:3.8V 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應(yīng)商設(shè)備封裝:SOT-23-5 包裝:帶卷 (TR) |
| ISL88706IB826Z-TK | 功能描述:IC SUPERVISOR MPU 2.63V 8-SOIC RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 類(lèi)型:簡(jiǎn)單復(fù)位/加電復(fù)位 監(jiān)視電壓數(shù)目:1 輸出:開(kāi)路漏極或開(kāi)路集電極 復(fù)位:低有效 復(fù)位超時(shí):最小為 600 ms 電壓 - 閥值:3.8V 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應(yīng)商設(shè)備封裝:SOT-23-5 包裝:帶卷 (TR) |
| ISL88706IB829Z | 功能描述:IC SUPERVISOR 2.92V 8-SOIC RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 類(lèi)型:簡(jiǎn)單復(fù)位/加電復(fù)位 監(jiān)視電壓數(shù)目:1 輸出:開(kāi)路漏極或開(kāi)路集電極 復(fù)位:低有效 復(fù)位超時(shí):最小為 600 ms 電壓 - 閥值:3.8V 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應(yīng)商設(shè)備封裝:SOT-23-5 包裝:帶卷 (TR) |
| ISL88706IB829Z-TK | 功能描述:IC SUPERVISOR MPU 2.92V 8-SOIC RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 類(lèi)型:簡(jiǎn)單復(fù)位/加電復(fù)位 監(jiān)視電壓數(shù)目:1 輸出:開(kāi)路漏極或開(kāi)路集電極 復(fù)位:低有效 復(fù)位超時(shí):最小為 600 ms 電壓 - 閥值:3.8V 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應(yīng)商設(shè)備封裝:SOT-23-5 包裝:帶卷 (TR) |
| ISL88706IB831Z | 功能描述:監(jiān)控電路 RST VTRIP=3 09V 8LD RST VTRIP=3 09V 8LD RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)電壓閾值: 輸出類(lèi)型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開(kāi)關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
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