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MAX6457UKD0B+T
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MAX6457UKD0B+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Supervisor
  • Characteristics: Low-power, high-accuracy voltage monitoring
  • Package: SOT23-5
  • Essence: Ensures reliable power supply in electronic systems
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Supply Voltage Range: 1.6V to 5.5V
  • Threshold Voltage Options: 2.5V, 3.0V, 3.3V, 5.0V
  • Operating Temperature Range: -40°C to +85°C
  • Quiescent Current: 1µA (typical)
  • Reset Timeout Period: 140ms (typical)

Detailed Pin Configuration

The MAX6457UKD0B+T features a SOT23-5 package with the following pin configuration:

  1. GND (Ground)
  2. RESET (Reset Output)
  3. MR (Manual Reset Input)
  4. VCC (Supply Voltage)
  5. TH (Threshold Voltage Selection)

Functional Features

  • Accurate Voltage Monitoring: The MAX6457UKD0B+T ensures precise monitoring of the supply voltage, preventing system malfunctions due to undervoltage or overvoltage conditions.
  • Manual Reset Capability: The MR pin allows for manual reset of the system, providing flexibility in controlling the power-on and power-off sequences.
  • Low Power Consumption: With a quiescent current of only 1µA, the MAX6457UKD0B+T minimizes power consumption, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages: - High accuracy voltage monitoring - Wide supply voltage range - Manual reset capability - Low power consumption

Disadvantages: - Limited threshold voltage options

Working Principles

The MAX6457UKD0B+T operates by comparing the supply voltage with a user-selectable threshold voltage. When the supply voltage falls below or rises above the set threshold, the RESET pin is asserted, indicating a power supply fault. The MR pin allows for manual reset of the system, overriding the monitoring function.

Detailed Application Field Plans

The MAX6457UKD0B+T finds applications in various fields, including: 1. Battery-powered devices: Ensures reliable power supply monitoring in portable electronics. 2. Industrial control systems: Provides voltage supervision to prevent equipment damage during power fluctuations. 3. Automotive electronics: Monitors the vehicle's power supply to protect sensitive components from voltage variations. 4. Medical devices: Ensures continuous and stable power supply in critical medical equipment.

Detailed and Complete Alternative Models

  1. MAX6458UKD0B+T: Similar to MAX6457UKD0B+T but with additional features.
  2. MAX6459UKD0B+T: Voltage supervisor with adjustable threshold voltage.
  3. MAX6460UKD0B+T: Dual voltage supervisor in a SOT23-6 package.

These alternative models offer similar functionality with slight variations to cater to different application requirements.

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Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von MAX6457UKD0B+T in technischen Lösungen auf

Sure! Here are 10 common questions and answers related to the application of MAX6457UKD0B+T in technical solutions:

  1. Question: What is the MAX6457UKD0B+T?
    Answer: The MAX6457UKD0B+T is a specific model of voltage detector IC (integrated circuit) manufactured by Maxim Integrated. It is designed to monitor the voltage level of a power supply and provide an output signal when the voltage falls below a certain threshold.

  2. Question: What is the operating voltage range of the MAX6457UKD0B+T?
    Answer: The MAX6457UKD0B+T operates within a voltage range of 1.6V to 5.5V.

  3. Question: How does the MAX6457UKD0B+T detect voltage levels?
    Answer: The MAX6457UKD0B+T uses an internal voltage reference and a comparator to compare the input voltage with a preset threshold. When the input voltage drops below this threshold, the output of the IC changes state.

  4. Question: What is the output type of the MAX6457UKD0B+T?
    Answer: The MAX6457UKD0B+T has an open-drain output, which means it can sink current but cannot source current. This allows for flexibility in connecting external components.

  5. Question: Can the threshold voltage be adjusted on the MAX6457UKD0B+T?
    Answer: No, the threshold voltage of the MAX6457UKD0B+T is fixed and cannot be adjusted. It is set internally during manufacturing.

  6. Question: What is the typical quiescent current consumption of the MAX6457UKD0B+T?
    Answer: The MAX6457UKD0B+T has a typical quiescent current consumption of 1.5µA, making it suitable for low-power applications.

  7. Question: Can the MAX6457UKD0B+T be used in battery-powered devices?
    Answer: Yes, the low quiescent current and wide operating voltage range make the MAX6457UKD0B+T suitable for battery-powered devices where monitoring voltage levels is important.

  8. Question: What is the maximum input voltage that the MAX6457UKD0B+T can handle?
    Answer: The MAX6457UKD0B+T can handle a maximum input voltage of 6V. Exceeding this voltage may damage the IC.

  9. Question: Is the MAX6457UKD0B+T available in different package options?
    Answer: Yes, the MAX6457UKD0B+T is available in a SOT23-5 package, which is a small surface-mount package commonly used in electronic applications.

  10. Question: Are there any application notes or reference designs available for the MAX6457UKD0B+T?
    Answer: Yes, Maxim Integrated provides application notes and reference designs on their website that can help with the implementation of the MAX6457UKD0B+T in various technical solutions.