LTC2919HMS-5#PBF

LINEAR TECHNOLOGY  LTC2919HMS-5#PBF  电压监视器, 低电平有效, 漏极开路复位, 3监视器, 0.5V-5V输入, MSOP-10

The is a triple input Voltage Monitor intended for a variety of system monitoring applications. Polarity selection and a buffered reference output allow the LTC2919 to monitor positive and negative supplies for under-voltage UV and over-voltage OV conditions. The two adjustable inputs have a nominal 0.5V threshold, featuring tight 1.5% threshold accuracy over the entire operating temperature range. Glitch filtering ensures outputs operate reliably without false triggering. An accurate threshold at the VCC pin provides a third input supply monitor for a 2.5, 3.3 or 5V supply. Two independent output pins indicate the status of each adjustable input. A third common output provides a configurable reset timeout that may be set by an accurate internal 200ms timer, programmed with an external capacitor or disabled for a fast response. A three-state input pin sets the input polarity of each adjustable input without requiring any external components.

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Two low voltage adjustable inputs 0.5V

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Accurate UVLO provides a third monitor input

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Open-drain RST\, OUT1 and OUT2 outputs

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Pin selectable input polarity allows negative, UV and OV monitoring

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Input glitch rejection

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Adjustable reset timeout period

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Selectable internal timeout saves components

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Outputs guaranteed low with VCC = 0.5V

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Buffered 1V reference for negative supply offset

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±1.5% Guaranteed threshold accuracy

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6.5V Shunt regulator for high voltage operation

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50µA Low quiescent current