參數(shù)資料
型號(hào)： PCF1252-8TD
廠(chǎng)商： NXP SEMICONDUCTORS
元件分類(lèi)： 電源管理
英文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
封裝： 3.90 MM, PLASTIC, SOT-96-1, SO-8
文件頁(yè)數(shù)： 9/20頁(yè)
文件大?。?/td> 183K
代理商： PCF1252-8TD
Philips Semiconductors - PIP - PCF1252-X family; Threshold detector and reset generator
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Product Information
PCF1252-X family;
Threshold detector
and reset generator
Information as of 2002-08-08
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topGeneral description
The PCF1252-Xs are low-power CMOS voltage threshold detectors designed especially for supervision of
microcontroller/microprocessor systems for detection of power-on/off conditions and generation of a system
reset pulse. The PCF1252-X also provides a POWF (power fail) output which is activated at a precise
factory-programmed trip point. A system RESET output has a built-in delay with duration determined by an
external capacitor (CCT ). A second comparator (comparator 2) has been included to enable the possibility
of a second monitoring point in the system.
topFeatures
q
Very low current consumption, typically 10 A
q
10 factory programmed threshold voltages available covering trip voltages from 4.75 to 2.55 V
q
±50 mV trip point accuracy over full temperature range
q
Variable RESET delay
q
RESET pulse polarity selection
q
Defined outputs at 0.6 V (typ.)
q
Comparator for second level detection (e.g. overvoltage detection)
q
Advance warning of power fail
q
Operating temperature range -40 to +85 °C.
topApplications
file:///G|/imaging/BITTING/cpl_IMAGES/PhilipsSemi...52-Xfamily;Thresholddetectorandresetgenerator.htm (1 of 4) [Aug-28-2002 9:13:24 AM]
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相關(guān)PDF資料
PDF描述
PCF1252-2P/F4 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDIP8
PCF1252-4T/F4,112 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PCF1252-9 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Threshold detector and reset generator
PCF1252-9PN 制造商:未知廠(chǎng)家 制造商全稱(chēng):未知廠(chǎng)家 功能描述:Voltage Detector
PCF1252-9TD 制造商:未知廠(chǎng)家 制造商全稱(chēng):未知廠(chǎng)家 功能描述:Voltage Detector
PCF1252-9TD-T 制造商:未知廠(chǎng)家 制造商全稱(chēng):未知廠(chǎng)家 功能描述:Voltage Detector
PCF1252-X 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Threshold detector and reset generator
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