Exar Corporation
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SP809NEK-L-4-6
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SP809NEK-L-4-6

Product Overview

Category

SP809NEK-L-4-6 belongs to the category of electronic components.

Use

This product is commonly used in electronic circuits for various applications.

Characteristics

  • Compact size
  • High durability
  • Low power consumption
  • Wide operating temperature range

Package

SP809NEK-L-4-6 is available in a small surface mount package, making it suitable for space-constrained designs.

Essence

The essence of SP809NEK-L-4-6 lies in its ability to provide reliable voltage monitoring and reset functions in electronic systems.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of SP809NEK-L-4-6 units.

Specifications

  • Input Voltage Range: 1.0V to 5.5V
  • Reset Threshold Options: 2.63V, 2.93V, 3.08V, 3.45V, 4.38V, 4.63V
  • Reset Timeout Period Options: 140ms, 560ms, 1120ms, 2240ms
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SP809NEK-L-4-6 has the following pin configuration:

  1. VCC: Power supply input
  2. GND: Ground reference
  3. MR: Manual reset input
  4. RESET: Reset output

Functional Features

  • Voltage monitoring: The SP809NEK-L-4-6 continuously monitors the input voltage and provides a reset signal when it falls below the specified threshold.
  • Reset timeout: The product includes an adjustable reset timeout period, allowing customization based on system requirements.
  • Manual reset: The MR pin allows for manual reset functionality, enabling users to reset the system manually if needed.

Advantages and Disadvantages

Advantages

  • Reliable voltage monitoring
  • Flexible reset timeout options
  • Compact size for space-constrained designs

Disadvantages

  • Limited reset threshold options
  • Requires external components for proper operation

Working Principles

The SP809NEK-L-4-6 operates by comparing the input voltage with the preset threshold. When the voltage drops below the threshold, the reset output is activated. The reset remains active until the voltage rises above the threshold or the reset timeout period elapses.

Detailed Application Field Plans

SP809NEK-L-4-6 finds applications in various electronic systems, including but not limited to: - Microcontrollers - Embedded systems - Power management circuits - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to SP809NEK-L-4-6 are: - SP800NEK-L-4-6 - SP811NEK-L-4-6 - SP812NEK-L-4-6 - SP814NEK-L-4-6

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

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af SP809NEK-L-4-6 i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of SP809NEK-L-4-6 in technical solutions:

  1. Q: What is SP809NEK-L-4-6? A: SP809NEK-L-4-6 is a specific model of voltage supervisor IC (Integrated Circuit) manufactured by Exar Corporation.

  2. Q: What is the purpose of SP809NEK-L-4-6? A: The purpose of SP809NEK-L-4-6 is to monitor the power supply voltage and provide a reset signal to the microcontroller or other digital devices when the voltage falls below a certain threshold.

  3. Q: What voltage range does SP809NEK-L-4-6 support? A: SP809NEK-L-4-6 supports a voltage range of 1.2V to 5.5V.

  4. Q: How does SP809NEK-L-4-6 ensure reliable system operation? A: SP809NEK-L-4-6 monitors the power supply voltage continuously, and if it drops below the specified threshold, it asserts a reset signal to the connected device, ensuring a controlled restart.

  5. Q: Can SP809NEK-L-4-6 be used in battery-powered applications? A: Yes, SP809NEK-L-4-6 can be used in battery-powered applications as it operates within a wide voltage range and has low quiescent current consumption.

  6. Q: Is SP809NEK-L-4-6 suitable for automotive applications? A: Yes, SP809NEK-L-4-6 is suitable for automotive applications as it meets the necessary automotive standards and has a wide operating temperature range.

  7. Q: Does SP809NEK-L-4-6 have any built-in delay for the reset signal? A: Yes, SP809NEK-L-4-6 has a fixed delay of 200ms (typical) to ensure that the power supply voltage stabilizes before releasing the reset signal.

  8. Q: Can SP809NEK-L-4-6 be used in conjunction with other voltage regulators? A: Yes, SP809NEK-L-4-6 can be used alongside other voltage regulators to provide additional protection and monitoring capabilities.

  9. Q: What is the package type of SP809NEK-L-4-6? A: SP809NEK-L-4-6 is available in an SOT-23-3 package, which is small and suitable for space-constrained applications.

  10. Q: Where can I find more information about SP809NEK-L-4-6? A: You can find more detailed information about SP809NEK-L-4-6, including datasheets and application notes, on the official website of Exar Corporation or by contacting their technical support team.