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Product Detailed Parameters
- Description：IC RESET MPU W/COMP SOT23-6
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Simple Reset/Power-On Reset
- Number of Voltages Monitored：1
- Voltage - Threshold：4.63V
- 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-6
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Overview
The MAX6344LUT+T is a microprocessor supervisory circuit in a SOT-23-6 package. It features a fixed reset threshold voltage of 4.38V and operates within a supply voltage range of +1V to +5.5V. The device provides an active-low, push-pull reset output with a typical reset delay time of 280ms. It consumes 15µA of operating current and includes a battery backup switch for low-battery detection. The component functions without a manual reset input or watchdog timer, supporting temperatures from -40°C to +85°C.
Feature Summary
- Monitors power supply voltages to ensure system reliability through factory-trimmed reset thresholds.
- Integrates a dedicated +1.25V threshold detector for low-battery detection or power-fail warnings.
- Provides an active-low push-pull reset output to manage microprocessor states during voltage anomalies.
Applications
- Digital systems requiring precise power supply monitoring
- Low-battery detection circuits
- Power-fail warning applications
Procurement Notes
Verify the specific suffix 'LUT' against the manufacturer's official datasheet to confirm the exact threshold voltage and package variant. Ensure compatibility with the target supply voltage range and thermal requirements before integration. Cross-reference the ordering information with Analog Devices documentation to avoid discrepancies in pinout or electrical characteristics.
Selection Notes
Select this component when a fixed 4.38V reset threshold is required for single-channel voltage supervision. It is suitable for designs needing integrated low-battery detection via the internal comparator without external components. Consider the SOT-23-6 footprint and 15µA quiescent current for space-constrained, low-power applications.
Part Context
The MAX6344LUT+T belongs to the MAX6342–MAX6345 family of microprocessor supervisory circuits manufactured by Analog Devices / Maxim Integrated. This series is designed to improve system reliability by replacing discrete components with integrated solutions. The family offers various factory-trimmed thresholds ranging from 2.33V to 4.63V to accommodate different supply voltage standards.
Replacement Considerations
The MAX6342MUT and MAX6343MUT are functionally similar members of the same family but feature different reset thresholds (e.g., 2.33V or 3.08V). Verify that the alternative part's threshold voltage matches the design requirement, as the MAX6344 is specifically rated for 4.38V.
