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LM3704XCBP-308
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LM3704XCBP-308

Product Overview

LM3704XCBP-308 belongs to the category of voltage supervisors. It is used to monitor the power supply voltage level and provide a reset signal to the microcontroller or other digital systems when the voltage falls below a predefined threshold. The device is characterized by its low power consumption, small package size, and high accuracy. It is available in a small SOT-23 package and is essential for ensuring reliable operation of electronic systems. The packaging consists of a quantity of 3000 units per reel.

Specifications

  • Input Voltage Range: 1.8V to 5.5V
  • Threshold Voltage Options: 2.93V
  • Quiescent Current: 10µA
  • Power-On Reset Delay Time: 200ms
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The LM3704XCBP-308 has three pins: 1. VCC: Connects to the positive supply voltage. 2. GND: Connects to the ground reference. 3. RESET: Output pin that provides the reset signal to the connected system.

Functional Features

  • Precision Monitoring: Accurately monitors the input voltage to ensure proper system operation.
  • Low Power Consumption: Consumes minimal power, making it suitable for battery-powered applications.
  • Small Package Size: The SOT-23 package is compact and space-efficient.

Advantages and Disadvantages

Advantages

  • Wide Input Voltage Range: Can operate with a wide range of supply voltages.
  • Low Quiescent Current: Minimizes power consumption, extending battery life in portable devices.

Disadvantages

  • Single Threshold Voltage Option: Limited flexibility in setting the voltage threshold.

Working Principles

The LM3704XCBP-308 operates by comparing the input voltage with the preset threshold. When the input voltage falls below the threshold, the reset output is asserted, indicating that the system should be held in a reset condition until the voltage rises above the threshold.

Detailed Application Field Plans

The LM3704XCBP-308 is commonly used in various applications such as: - Battery-Powered Devices: Ensures proper operation and protects against undervoltage conditions. - Embedded Systems: Provides a reliable reset signal to microcontrollers and digital systems.

Detailed and Complete Alternative Models

Some alternative models to LM3704XCBP-308 include: - MAX809: Offers similar voltage monitoring functionality with adjustable threshold options. - ADM811: Provides voltage monitoring and reset generation in a different package format.

In conclusion, the LM3704XCBP-308 is a vital component in electronic systems, offering precise voltage monitoring and reset generation capabilities. Its low power consumption and compact package make it suitable for a wide range of applications, particularly in battery-powered and embedded systems.

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技術ソリューションにおける LM3704XCBP-308 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。

  1. What is LM3704XCBP-308?

    • LM3704XCBP-308 is a voltage supervisor and reset IC designed to monitor the power supply voltage of a system and provide a reset signal when the voltage falls below a predetermined threshold.

  2. What are the typical applications of LM3704XCBP-308?

    • LM3704XCBP-308 is commonly used in microcontroller-based systems, automotive electronics, industrial control systems, and other applications where monitoring the power supply voltage is critical for proper operation.

  3. How does LM3704XCBP-308 help in system reliability?

    • By continuously monitoring the power supply voltage, LM3704XCBP-308 helps ensure that the system operates within safe voltage levels, preventing potential damage or data corruption due to low voltage conditions.

  4. What is the operating voltage range of LM3704XCBP-308?

    • LM3704XCBP-308 typically operates over a wide voltage range, such as 1.6V to 5.5V, making it suitable for various power supply configurations.

  5. Can LM3704XCBP-308 be used in battery-powered applications?

    • Yes, LM3704XCBP-308's low quiescent current and wide operating voltage range make it suitable for battery-powered applications, helping to extend battery life by monitoring and managing power consumption.

  6. How does LM3704XCBP-308 handle power-on reset?

    • LM3704XCBP-308 generates a reset signal when the power supply voltage rises above the reset threshold, ensuring a controlled start-up sequence for the system.

  7. Is LM3704XCBP-308 suitable for harsh environments?

    • Yes, LM3704XCBP-308 is often designed to withstand harsh environmental conditions, making it suitable for automotive, industrial, and outdoor applications.

  8. Can LM3704XCBP-308 be used with different microcontrollers?

    • Yes, LM3704XCBP-308 can be used with a wide range of microcontrollers and other digital logic devices, providing flexibility in system design.

  9. Does LM3704XCBP-308 have built-in hysteresis?

    • Yes, LM3704XCBP-308 typically includes built-in hysteresis to prevent erratic reset behavior near the threshold voltage, improving system stability.

  10. Are there any special layout considerations for using LM3704XCBP-308?

    • It is recommended to follow the layout guidelines provided in the datasheet to minimize noise and ensure proper performance of LM3704XCBP-308 in the application circuit.