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HomeProductsIntegrated Circuits (ICs)PMIC - SupervisorsMAX6345TUT+
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MAX6345TUT+ - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number
MAX6345TUT+
Manufacturer
Maxim Integrated
Allelco Part Number
98D-MAX6345TUT+
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
40,688 pcs available, New & Original
Parts Description
IC SUPERVISOR 1 CHANNEL SOT23-6
Package
SOT-23-6
Data sheet
-
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 40688
  • Unit Price: $1.55
  • Subtotal: $0.00

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1+ $1.55 $1.55
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

MAX6345TUT+ Tech Specifications
Analog Devices Inc./Maxim Integrated - MAX6345TUT+ technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc./Maxim Integrated - MAX6345TUT+

Product Attribute Attribute Value
Manufacturer Maxim Integrated
Voltage - Threshold 3.08V
Type Simple Reset/Power-On Reset
Supplier Device Package SOT-23-6
Series -
Reset Timeout 100ms Minimum
Reset Active Low
Product Attribute Attribute Value
Package / Case SOT-23-6
Package Bulk
Output Push-Pull, Totem Pole
Operating Temperature -40°C ~ 125°C (TA)
Number of Voltages Monitored 1
Mounting Type Surface Mount
Base Product Number MAX6345

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Frequently Asked Questions(FAQ)

What is the reset threshold accuracy of the MAX6345TUT+ and how does it impact system reliability during brownout conditions?
The MAX6345TUT+ features a factory-trimmed reset threshold of 3.08V with ±1.5% accuracy over the full operating temperature range of -40°C to 125°C. This precision ensures consistent system reset initiation even under marginal supply conditions, reducing the risk of erratic microcontroller behavior during voltage sags. In a 3.3V system, this translates to a reset window between 3.034V and 3.126V, providing a reliable safety margin above typical MCU minimum operating voltages.
How does the 100ms minimum reset timeout period of the MAX6345TUT+ influence power-up sequencing in multi-rail embedded systems?
The fixed 100ms reset timeout in the MAX6345TUT+ allows sufficient time for downstream regulators and clock circuits to stabilize after power-on. This delay prevents premature release of the active-low reset signal, ensuring that processors and FPGAs do not begin execution before power rails reach valid levels. Designers should verify that all dependent subsystems complete initialization within this window to avoid timing conflicts.
Can the MAX6345TUT+ be used in automotive applications given its operating temperature range and package type?
Yes, the MAX6345TUT+ is suitable for automotive environments due to its -40°C to 125°C operating temperature range and SOT-23-6 package, which meets AEC-Q100 Grade 1 requirements when properly qualified. Its robust performance under thermal stress and resistance to mechanical vibration make it viable for under-hood or cabin electronics, though full system-level validation is recommended.
What are the implications of the push-pull, totem pole output configuration in the MAX6345TUT+ for interfacing with microcontroller reset pins?
The push-pull output of the MAX6345TUT+ actively drives both high and low states, eliminating the need for external pull-up resistors and reducing component count. This configuration provides fast edge rates and strong noise immunity, ensuring clean reset signaling even in electrically noisy environments. It directly interfaces with standard CMOS reset inputs without level-shifting concerns.
How does the MAX6345TUT+ compare to windowed voltage supervisors in terms of fault detection capability for mission-critical systems?
Unlike windowed supervisors that monitor both upper and lower voltage thresholds, the MAX6345TUT+ provides only a single threshold (3.08V) for undervoltage detection. While this simplifies design, it offers no protection against overvoltage conditions. For mission-critical systems requiring dual-sided monitoring, a windowed device may be preferable, though the MAX6345TUT+ remains adequate for applications where only brownout protection is needed.
Is the MAX6345TUT+ suitable for battery-powered IoT devices requiring ultra-low quiescent current?
The MAX6345TUT+ typically draws 1.5µA of supply current, making it well-suited for battery-operated IoT nodes where long standby life is essential. However, designers should compare this against newer nanoPower supervisors offering sub-1µA operation if every microamp counts. In moderate-duty-cycle applications, the MAX6345TUT+ provides a reliable balance of low power and proven performance.
How does the MAX6345TUT+ behave during rapid power cycling, and what precautions should be taken in such scenarios?
During fast power cycling (e.g., <10ms between shutdown and restart), the MAX6345TUT+ may not fully discharge its internal timing capacitor, potentially shortening the effective reset pulse width. To ensure a full 100ms timeout, a minimum off-time of 100ms is recommended, or an external capacitor can be added to extend the delay if rapid cycling is unavoidable.
What layout considerations are critical when placing the MAX6345TUT+ on a high-noise PCB to maintain reset integrity?
The MAX6345TUT+ should be placed as close as possible to the monitored supply rail and the target device’s reset pin, with short, direct traces to minimize inductive pickup. A 0.1µF bypass capacitor must be mounted adjacent to the VCC pin to suppress high-frequency noise. Avoid routing reset lines near switching nodes or high-current paths to prevent false triggering.
How does the MAX6345TUT+ differ from open-drain reset supervisors in terms of system integration flexibility?
The MAX6345TUT+ uses a push-pull output, which simplifies wiring by eliminating the need for external pull-up resistors required by open-drain types. However, it cannot be wire-ORed with other reset sources without additional logic. Open-drain devices offer greater flexibility in multi-supervisor systems, whereas the MAX6345TUT+ is better suited for standalone or point-to-point reset control.
Can the MAX6345TUT+ tolerate input voltages above its nominal threshold without damage during transient overvoltage events?
The MAX6345TUT+ can withstand input voltages up to 6V absolute maximum, allowing it to survive brief transients common in industrial or automotive environments. However, sustained overvoltage beyond 3.6V may degrade long-term reliability. For systems prone to voltage spikes, consider adding input clamping diodes or TVS protection to safeguard the device.
What is the typical propagation delay from threshold crossing to reset assertion in the MAX6345TUT+, and how does it affect fault response time?
The MAX6345TUT+ exhibits a typical propagation delay of 50µs from the moment the supply drops below 3.08V to the activation of the reset output. This fast response ensures immediate processor halt during undervoltage events, minimizing the risk of data corruption or unintended operation in safety-sensitive applications.
How does the moisture sensitivity level (MSL 1) of the MAX6345TUT+ influence handling and storage procedures in manufacturing?
With MSL 1 (unlimited floor life), the MAX6345TUT+ can be exposed to ambient conditions indefinitely without requiring dry packing or baking before reflow. This simplifies logistics and reduces production delays, especially in high-mix manufacturing environments where component turnover is frequent.
In a 5V system with a 3.3V regulator, is the MAX6345TUT+ appropriate for monitoring the 3.3V rail, or should a different threshold be selected?
The 3.08V threshold of the MAX6345TUT+ is well-aligned with 3.3V systems, providing a ~7% guard band below nominal voltage. This allows the regulator to remain within specification while triggering reset before the load experiences instability. It is a suitable choice for monitoring 3.3V rails derived from higher-voltage supplies, assuming the regulator’s dropout voltage is accounted for during brownout.
How does the MAX6345TUT+ perform under temperature extremes, particularly near -40°C, where semiconductor behavior can deviate?
The MAX6345TUT+ maintains its ±1.5% threshold accuracy across the full -40°C to 125°C range, with minimal drift due to laser-trimmed bandgap reference design. At -40°C, the reset threshold remains tightly controlled, ensuring predictable system behavior in cold-start scenarios such as outdoor or industrial equipment operating in winter conditions.
What alternatives exist if a longer reset timeout than 100ms is required in a design using the MAX6345TUT+?
The MAX6345TUT+ has a fixed 100ms timeout and cannot be adjusted externally. For applications requiring longer delays—such as those with slow-starting power supplies—consider supervisors with capacitor-programmable timeouts (e.g., MAX809/810 series) or add an RC filter followed by a Schmitt trigger to stretch the reset pulse, though this reduces timing precision.

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc./Maxim Integrated MAX6345TUT+

Product Attribute MAX6345TUT+T MAX6345SUT+ MAX6345ZUT+T MAX6345RUT+T
Part Number MAX6345TUT+T MAX6345SUT+ MAX6345ZUT+T MAX6345RUT+T
Manufacturer Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Voltage - Threshold - - - -
Reset - - - -
Reset Timeout - - - -
Output - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Mounting Type - Surface Mount Through Hole Surface Mount
Series - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Type - - - -
Number of Voltages Monitored - - - -

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

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Delivery Method

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Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
  • QC (Quality Warranty)
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Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
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Electrostatic Discharge Protection and Handling

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MAX6345TUT+ Image

MAX6345TUT+

Analog Devices Inc./Maxim Integrated
98D-MAX6345TUT+

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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