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MAX6457UKD3C+T
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MAX6457UKD3C+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Supervisor
  • Characteristics: Low-power, high-accuracy, reset output
  • Package: SOT23-3
  • Essence: Monitors the voltage level of a power supply and provides a reset signal when the voltage falls below a certain threshold.
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Supply Voltage Range: 1.6V to 5.5V
  • Reset Threshold Options: 2.63V, 2.93V, 3.08V, 4.38V, 4.63V
  • Reset Timeout Period: 140ms, 280ms, 560ms, 1120ms
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6457UKD3C+T has three pins:

  1. VCC: Power supply input pin (+)
  2. GND: Ground pin (-)
  3. RESET: Reset output pin

Functional Features

  • Monitors the voltage level of the power supply continuously.
  • Generates a reset signal when the voltage falls below the specified threshold.
  • Provides a timeout period for the reset signal to ensure stability.
  • Low-power consumption for energy-efficient applications.

Advantages and Disadvantages

Advantages: - High accuracy in monitoring voltage levels. - Wide supply voltage range allows for versatile applications. - Small package size enables space-saving designs. - Multiple reset threshold and timeout options provide flexibility.

Disadvantages: - Limited number of reset threshold and timeout combinations. - Sensitive to noise and fluctuations in the power supply.

Working Principles

The MAX6457UKD3C+T operates by comparing the voltage at the VCC pin with the preset threshold voltage. When the VCC voltage falls below the threshold, the RESET pin is activated, generating a reset signal. The reset signal remains active for the specified timeout period, ensuring stability during power supply fluctuations. Once the VCC voltage rises above the threshold, the reset signal is deactivated.

Detailed Application Field Plans

The MAX6457UKD3C+T is commonly used in various applications, including:

  1. Microcontrollers: Provides a reliable reset signal to microcontrollers during power-up or power-down sequences.
  2. Battery-Powered Devices: Monitors battery voltage and initiates a reset when the battery level is low.
  3. Industrial Control Systems: Ensures proper operation by resetting the system when the power supply voltage drops below a critical level.
  4. Automotive Electronics: Protects sensitive electronic components from voltage dips or spikes by triggering a reset when necessary.

Detailed and Complete Alternative Models

  1. MAX6458UKD3C+T: Similar to MAX6457UKD3C+T but with additional features.
  2. MAX6459UKD3C+T: Voltage supervisor with adjustable reset threshold and timeout options.
  3. MAX6460UKD3C+T: Dual voltage supervisor with independent reset outputs for two power supplies.

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技術ソリューションにおける MAX6457UKD3C+T の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of MAX6457UKD3C+T in technical solutions:

  1. Q: What is MAX6457UKD3C+T? A: MAX6457UKD3C+T is a specific model of voltage supervisor IC (integrated circuit) manufactured by Maxim Integrated. It provides power supply monitoring and reset generation functions.

  2. Q: What is the purpose of MAX6457UKD3C+T in technical solutions? A: The purpose of MAX6457UKD3C+T is to monitor the voltage levels of power supplies and generate reset signals when necessary, ensuring proper operation of electronic systems.

  3. Q: How does MAX6457UKD3C+T monitor power supply voltages? A: MAX6457UKD3C+T compares the input voltage with a reference voltage internally set within the IC. If the input voltage falls below the reference voltage, it triggers a reset signal.

  4. Q: What is the operating voltage range of MAX6457UKD3C+T? A: MAX6457UKD3C+T operates within a voltage range of 1.6V to 5.5V.

  5. Q: Can MAX6457UKD3C+T monitor multiple power supplies simultaneously? A: Yes, MAX6457UKD3C+T can monitor up to three power supplies simultaneously, making it suitable for applications with multiple voltage rails.

  6. Q: How does MAX6457UKD3C+T generate reset signals? A: When the monitored voltage falls below the threshold, MAX6457UKD3C+T asserts a reset signal, which remains active until the voltage rises above the threshold again.

  7. Q: What is the typical reset timeout period of MAX6457UKD3C+T? A: The typical reset timeout period of MAX6457UKD3C+T is 140ms, ensuring sufficient time for the power supply to stabilize before releasing the reset signal.

  8. Q: Can I adjust the voltage threshold for triggering a reset with MAX6457UKD3C+T? A: Yes, MAX6457UKD3C+T allows you to set the voltage threshold using external resistors, providing flexibility in different applications.

  9. Q: Is MAX6457UKD3C+T suitable for battery-powered applications? A: Yes, MAX6457UKD3C+T is suitable for battery-powered applications as it operates within a wide voltage range and consumes low quiescent current.

  10. Q: What are some common applications of MAX6457UKD3C+T? A: MAX6457UKD3C+T is commonly used in various technical solutions such as industrial automation, automotive systems, medical devices, and portable electronics to ensure reliable power supply monitoring and system reset functionality.

Please note that the answers provided here are general and may vary depending on specific application requirements. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information.