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Home > Semiconductors > Power Management ICs > Supervisory Circuits > Maxim Integrated MAX803REXR Supervisory Circuit 2.63V SMD SC-70-3

Maxim Integrated MAX803REXR Supervisory Circuit 2.63V SMD SC-70-3

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Quick Overview

Maxim Integrated MAX803REXR microprocessor (µP) supervisory circuits used to monitor the power supplies in µP and digital systems. They provide excellent circuit reliability and low cost by eliminating external components and adjustments when used with +5V, +3.3V, +3.0V, or +2.5V powered circuits.

Maxim Integrated MAX803REXR Supervisory Circuit  2.63V SMD SC-70-3

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Maxim Integrated MAX803REXR IC Supervisor Open Drain or Open Collector 1 Channel 2.5 V, 3 V, 3.3 V, 5 V SMD SC-70-3

3-Pin Microprocessor Reset Circuits
The MAX803/MAX809/MAX810 are microprocessor (µP) supervisory circuits used to monitor the power supplies in µP and digital systems. They provide excellent circuit reliability and low cost by eliminating external components and adjustments when used with +5V, +3.3V, +3.0V, or +2.5V powered circuits.

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 140ms after VCC has risen above the reset threshold. Reset thresholds suitable for operation with a variety of supply voltages are available.

The MAX803 has an open-drain output stage, while the MAX809/MAX810 have push-pull outputs. The MAX803\'s open-drain active-low RESET output requires a pullup resistor that can be connected to a voltage higher than VCC. The MAX803/MAX809 have an active-low RESET output, while the MAX810 has an active-high 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 1V.


Manufacturer: Maxim Integrated
Product Category: Supervisory Circuits
RoHS: RoHS Compliant Details
Number of Inputs Monitored: 1 Input
Threshold Voltage: 2.5 V, 3 V, 3.3 V, 5 V
Output Type: Open Collector / Drain
Manual Reset: Manual Reset
Battery Backup Switching: No Backup
Supply Voltage - Max: 5.5 V
Maximum Operating Temperature: + 125 C
Mounting Style: SMD/SMT
Package / Case: SC-70-3
Brand: Maxim Integrated
Chip Enable Signals: No Chip Enable
Minimum Operating Temperature: - 40 C
Operating Supply Current: 60 uA
Overvoltage Threshold: 2.66 V
Packaging: Reel
Pd - Power Dissipation: 174 mW
Power Fail Detection: No
Reset Delay Time: 200 ms
Series: MAX803R
Factory Pack Quantity: 2500
Supply Voltage - Min: 1.2 V
Type: Voltage Supervisory
Undervoltage Threshold: 2.59 V
Watchdog Timers: No Watchdog
Part # Aliases: MAX803R

The MAX803/MAX809/MAX810 are microprocessor (µP) supervisory circuits used to monitor the power supplies in µP and digital systems. They provide excellent circuit reliability and low cost by eliminating external components and adjustments when used with or +2.5V powered circuits. 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 140ms after VCC has risen above the reset threshold. Reset thresholds suitable for operation with a variety of supply voltages are available. The MAX803 has an open-drain output stage, while the MAX809/MAX810 have push-pull outputs. The MAX803's open-drain RESET output requires a pullup resistor that can be connected to a voltage higher than VCC. The MAX803/MAX809 have an active-low RESET output, while the MAX810 has an active-high RESET output. The reset comparator is designed to ignore fast transients on VCC, and the outputs are guaranteed be in the correct logic state for VCC down to 1V. Low supply current makes the MAX803/MAX809/ MAX810 ideal for use in portable equipment. The MAX803 is available 3-pin SC70 package, and the MAX809/MAX810 are available or SOT23 packages.

Additional Information

MAX803REXR
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