Texas Instruments
画像はイメージの場合もございます。
商品詳細は仕様をご覧ください。
LM3880MFE-1AD/NOPB
詳細を表示 DataSheets

LM3880MFE-1AD/NOPB

Product Overview

Category

The LM3880MFE-1AD/NOPB belongs to the category of voltage supervisors and reset ICs.

Use

This product is primarily used for monitoring and controlling the power supply voltage in electronic systems.

Characteristics

  • Voltage supervisor with adjustable threshold
  • Low quiescent current consumption
  • Wide operating voltage range
  • Small package size
  • High accuracy and reliability

Package

The LM3880MFE-1AD/NOPB is available in a small 6-pin SOT-23 package.

Essence

The essence of this product lies in its ability to provide accurate and reliable voltage monitoring and reset functions in various electronic applications.

Packaging/Quantity

The LM3880MFE-1AD/NOPB is typically packaged in reels, with 3000 units per reel.

Specifications

  • Operating Voltage Range: 1.6V to 5.5V
  • Adjustable Threshold Voltage Range: 0.4V to 5.0V
  • Quiescent Current: 3µA (typical)
  • Reset Timeout Period: 200ms (typical)
  • Power-On Reset Delay: 20ms (typical)

Detailed Pin Configuration

The LM3880MFE-1AD/NOPB has the following pin configuration:

  1. GND: Ground connection
  2. MR: Manual reset input
  3. VDD: Supply voltage input
  4. RESET: Reset output
  5. TH: Threshold voltage adjustment pin
  6. NC: No connection

Functional Features

  • Voltage monitoring and reset generation
  • Adjustable threshold voltage for precise monitoring
  • Manual reset capability
  • Power-on reset delay to ensure stable operation during power-up
  • Low quiescent current consumption for power efficiency

Advantages and Disadvantages

Advantages

  • Wide operating voltage range allows for versatile applications
  • Adjustable threshold voltage provides flexibility in voltage monitoring
  • Small package size enables space-saving designs
  • Low quiescent current consumption prolongs battery life
  • Reliable reset generation ensures system stability

Disadvantages

  • Limited number of pins may restrict additional functionalities
  • Manual reset input may require external components for proper implementation

Working Principles

The LM3880MFE-1AD/NOPB operates by continuously monitoring the supply voltage. When the voltage falls below the adjustable threshold, the reset output is activated, indicating a power failure or an out-of-range condition. The reset remains active until the voltage rises above the threshold or a manual reset signal is applied.

Detailed Application Field Plans

The LM3880MFE-1AD/NOPB finds applications in various electronic systems, including but not limited to: - Microcontrollers and microprocessors - Embedded systems - Power management units - Industrial control systems - Automotive electronics - Battery-powered devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LM3880MFE-1AD/NOPB include: - MAX809: Voltage supervisors with adjustable threshold from Maxim Integrated - TPS3839: Precision voltage monitors from Texas Instruments - ADM6315: Supervisory circuits with adjustable reset timeout from Analog Devices - MCP101: Voltage detectors with adjustable threshold from Microchip Technology

These alternative models can be considered based on specific application requirements and availability.

Word count: 446 words

技術ソリューションにおける LM3880MFE-1AD/NOPB 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 the LM3880MFE-1AD/NOPB?

    • The LM3880MFE-1AD/NOPB is a precision voltage supervisor with programmable delay time and manual reset.

  2. What are the typical applications of LM3880MFE-1AD/NOPB?

    • It is commonly used in microprocessor systems, computers, controllers, intelligent instruments, automotive systems, and other embedded systems.

  3. How does the LM3880MFE-1AD/NOPB help in technical solutions?

    • It provides power-on reset, watchdog timer, and supply voltage supervision for reliable system operation.

  4. What is the operating voltage range of LM3880MFE-1AD/NOPB?

    • The operating voltage range is from 1.6V to 5.5V.

  5. Can the delay time be adjusted in LM3880MFE-1AD/NOPB?

    • Yes, the delay time can be programmed using an external capacitor.

  6. Does LM3880MFE-1AD/NOPB have a manual reset input?

    • Yes, it has a manual reset input for external push-button reset functionality.

  7. What is the watchdog timer function in LM3880MFE-1AD/NOPB?

    • The watchdog timer monitors the microprocessor activity and resets the system if necessary.

  8. Is LM3880MFE-1AD/NOPB available in different package options?

    • Yes, it is available in various package options including SOT-23 and WSON.

  9. Can LM3880MFE-1AD/NOPB operate in harsh environments?

    • Yes, it is designed to operate in harsh industrial and automotive environments.

  10. Are there any application notes or reference designs available for LM3880MFE-1AD/NOPB?

    • Yes, Texas Instruments provides comprehensive application notes and reference designs for integrating LM3880MFE-1AD/NOPB into technical solutions.