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Product Detailed Parameters
- Description：IC SUPERVISOR 1 CHANNEL SOT143-4
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tape & Reel (TR)
- Type：Simple Reset/Power-On Reset
- Number of Voltages Monitored：1
- Voltage - Threshold：2.3V
- Output：Open Drain or Open Collector
- Reset：Active Low
- Reset Timeout：100ms Minimum
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：TO-253-4, TO-253AA
- Supplier Device Package：SOT-143-4
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Overview
The MAX6337US23D3-T is a microprocessor supervisory circuit designed for 1.8V to 3.3V systems. It monitors a single voltage input with a fixed threshold of 2.3V and features an active-low, open-drain reset output. The device includes a debounced manual-reset input and provides a minimum reset timeout of 150ms. Operating within a temperature range of -40°C to +125°C, it draws only 3.3µA of supply current. Packaged in a compact SOT-143-4 surface-mount case, it supports supply voltages up to 5.5V.
Feature Summary
- Includes a debounced manual-reset input for system control
- Provides active-low open-drain reset output
- Features ultra-low power consumption suitable for battery applications
Applications
- Microprocessor (µP) power supply monitoring
- Digital system voltage supervision
- Space-critical embedded designs
Procurement Notes
Verify component authenticity through authorized channels due to potential counterfeit risks. Confirm RoHS compliance status and check for specific manufacturing date codes relevant to your project timeline. Ensure the SOT-143-4 package matches your PCB footprint requirements before finalizing procurement decisions.
Selection Notes
Select this part when an active-low open-drain output is required rather than push-pull. Choose the MAX6337 over MAX6336 if open-drain compatibility with other bus lines is necessary. Verify that the 2.3V threshold aligns with the monitored rail and that the 150ms timeout meets system startup timing constraints.
Part Context
This component belongs to the MAX6335/MAX6336/MAX6337 family of ultra-low-voltage reset circuits. These devices share identical functionality except for output type and guaranteed operating voltage limits. The MAX6337 specifically offers an open-drain output and is guaranteed correct down to 1.0V, distinguishing it from the push-pull variants.
Replacement Considerations
MAX6337US23D3+T is the lead-free equivalent suffix variant. MAX6337US23D3-TTR indicates tape-and-reel packaging instead of cut tape. Cross-reference with MAX6336US23D3-T if push-pull output is acceptable.
