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Product Detailed Parameters
- Description：IC SUPERVISOR 1 CHANNEL SOT23-6
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Bulk
- Type：Simple Reset/Power-On Reset
- Number of Voltages Monitored：1
- Voltage - Threshold：2.63V
- Output：Push-Pull, Totem Pole
- Reset：Active High
- Reset Timeout：100ms Minimum
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SOT-23-6
- Supplier Device Package：SOT-23-6
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Overview
The MAX6344RUT is a microprocessor supervisory circuit from the MAX6342–MAX6345 family, designed to monitor power supplies in digital systems. It operates with supply voltages between +1V and +5.5V and features a fixed reset threshold voltage of +4.38V. The device provides a power-fail warning via a +1.25V threshold detector for low-battery detection or monitoring another supply. It utilizes a SOT-23-6 package and functions within an operating temperature range of -40°C to +125°C.
Feature Summary
- Monitors power-supply voltages to improve system reliability and accuracy
- Includes a dedicated power-fail comparator for low-battery detection
- Features factory-trimmed reset threshold voltages
Applications
- Digital system power supply monitoring
- Low-battery detection circuits
- Microprocessor supervisory applications
Procurement Notes
Verify component authenticity through authorized distributors due to limited availability status. Confirm RoHS compliance and lead-free specifications against current manufacturing revisions. Ensure the SOT-23-6 package variant matches design requirements. Check for obsolescence notices as this part may be subject to restricted supply conditions.
Selection Notes
Select this component when a fixed 4.38V reset threshold is required for systems operating up to 5.5V. The integrated power-fail output simplifies low-voltage warning designs without external comparators. Consider the SOT-23-6 footprint for space-constrained PCB layouts requiring six-pin supervision functionality.
Part Context
Part of the MAX6342–MAX6345 family of µP supervisory circuits. These devices replace separate ICs or discrete components to enhance system accuracy. The family offers various threshold options ranging from 2.33V to 4.63V, with the MAX6344 specifically providing the 4.38V fixed setting.
Replacement Considerations
Consider MAX6342RUT or MAX6343RUT for similar supervision with different pinouts or manual reset inputs. Verify compatibility with MAX6345RUT if a higher threshold voltage is acceptable.
