RS803 Supply Voltage Supervisor with Open-Drain Reset
■■The RS803 microprocessor (μP) supervisory circuits reduce the complexity and number of components required to monitor power-supply and battery function in μP systems. This device significantly improves system reliability and accuracy compared to separate ICs or discrete components.
■These circuits perform a single function: they assert a reset signal whenever the VCC supply voltage declines below a preset threshold, keeping it asserted for at least 200ms after VCC has risen above the reset threshold.
■Reset thresholds suitable for operation with a variety of supply voltages are available.
■The RS803 has an open-drain output stage.The RS803’s open-drain RESET output requires a pull-up resistor that can be connected to a voltage higher than VCC. The RS803 have an active-low RESET output.The reset comparator is designed to ignore fast transients on VCC, and the outputs are guaranteed to be in the correct logic state for VCC down to 1.2V.
■Low supply current makes the RS803 ideal for use in portable equipment.The RS803 is available in Green SOT23 package. It operates over an ambient temperature range of -40°C to +125°C.
●FEATURES
■Operating Voltage Range:1.2V to 5.5V
■Low Power Consumption:50μA (Max)
■Precision Supply-Voltage Monitor:
▲2.63V, 2.93V, 3.08V, 4.00V, 4.65V
■Guaranteed RESET Valid at VCC=1.2V
■200ms Reset Pulse Width
■Voltage Monitor for Power-Fail or Low-Battery Warning
■Operating Temperature Range:
▲-40°C to +125°C
■Open-Drain,RESET Output
■Available in Green Package: SOT23
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RS803 、 RS803-2.63YSF3 、 RS803-2.93YSF3 、 RS803-3.08YSF3 、 RS803-4.00YSF3 、 RS803-4.65YSF3 、 RS803-2.63 、 RS803-2.93 、 RS803-3.08 、 RS803-4.00 、 RS803-4.65 |
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Supply Voltage Supervisor 、 microprocessor (μP) supervisory circuits |
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[ portable equipment ][ Computers ][ SOC ][ DSP ][ Micro controllers ][ Embedded Systems ][ Industrial Equipment ][ Intelligent Instruments ][ Critical μP Power Monitoring ][ Wireless Communications Systems ] |
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Datasheet |
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Please see the document for details |
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SOT23 |
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English Chinese Chinese and English Japanese |
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2023/07/24 |
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Version A.2 |
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845 KB |
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