Diodes Incorporated
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APX803-23SAG-7
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APX803-23SAG-7

Product Overview

Category

APX803-23SAG-7 belongs to the category of voltage supervisors.

Use

It is used to monitor the power supply voltage and reset the system when the voltage falls below a certain threshold.

Characteristics

  • Low-power consumption
  • Wide operating voltage range
  • High accuracy
  • Small package size

Package

The APX803-23SAG-7 comes in a small SOT-23-3 package.

Essence

The essence of APX803-23SAG-7 is to ensure stable operation of electronic systems by monitoring the power supply voltage.

Packaging/Quantity

The product is typically packaged in reels, with 3000 units per reel.

Specifications

  • Operating Voltage Range: 2.3V to 5.5V
  • Threshold Voltage: 2.32V
  • Reset Timeout Period: 200ms (typical)
  • Quiescent Current: 1µA (typical)
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The APX803-23SAG-7 has three pins:

  1. VDD: Power supply input
  2. GND: Ground connection
  3. RESET: Output for system reset signal

Functional Features

  • Monitors power supply voltage continuously
  • Asserts the RESET pin low when the voltage drops below the threshold
  • Keeps the RESET pin low until the voltage rises above the threshold and remains stable for the reset timeout period
  • Provides a reliable reset signal to the system

Advantages and Disadvantages

Advantages

  • Low power consumption helps conserve energy
  • Wide operating voltage range allows compatibility with various systems
  • High accuracy ensures precise monitoring of voltage levels
  • Small package size saves board space

Disadvantages

  • Reset timeout period may not be adjustable, limiting flexibility in certain applications

Working Principles

The APX803-23SAG-7 operates by comparing the power supply voltage with a fixed threshold. When the voltage drops below the threshold, the RESET pin is asserted low, indicating a system reset. The RESET pin remains low until the voltage rises above the threshold and remains stable for the reset timeout period.

Application Field Plans

The APX803-23SAG-7 finds applications in various electronic systems where reliable monitoring of power supply voltage is crucial. Some potential application fields include:

  1. Microcontrollers and microprocessors
  2. Embedded systems
  3. Industrial automation
  4. Automotive electronics
  5. Battery-powered devices

Alternative Models

Here are some alternative models that offer similar functionality:

  1. APX803-29SAG-7
  2. APX803-33SAG-7
  3. APX803-50SAG-7
  4. APX803L-23SAG-7
  5. APX803L-29SAG-7

These models provide different threshold voltages or additional features to cater to specific requirements.

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Wymień 10 typowych pytań i odpowiedzi związanych z zastosowaniem APX803-23SAG-7 w rozwiązaniach technicznych

Sure! Here are 10 common questions and answers related to the application of APX803-23SAG-7 in technical solutions:

  1. Q: What is APX803-23SAG-7? A: APX803-23SAG-7 is a voltage detector IC (integrated circuit) that monitors the power supply voltage and provides a reset signal when the voltage drops below a specified threshold.

  2. Q: What is the operating voltage range of APX803-23SAG-7? A: The operating voltage range of APX803-23SAG-7 is typically between 1.6V and 5.5V.

  3. Q: How does APX803-23SAG-7 help in technical solutions? A: APX803-23SAG-7 helps ensure stable operation of electronic devices by monitoring the power supply voltage and generating a reset signal to initiate a system reset if the voltage falls below a certain level.

  4. Q: Can APX803-23SAG-7 be used in battery-powered applications? A: Yes, APX803-23SAG-7 can be used in battery-powered applications as it operates within a wide voltage range and consumes very low quiescent current.

  5. Q: What is the typical reset threshold voltage of APX803-23SAG-7? A: The typical reset threshold voltage of APX803-23SAG-7 is 2.32V.

  6. Q: Is APX803-23SAG-7 suitable for use in automotive applications? A: Yes, APX803-23SAG-7 is suitable for use in automotive applications as it meets the AEC-Q100 Grade 1 qualification standards.

  7. Q: Does APX803-23SAG-7 have any built-in delay time for the reset signal? A: Yes, APX803-23SAG-7 has a built-in delay time of approximately 200ms to ensure stable power supply before releasing the reset signal.

  8. Q: Can APX803-23SAG-7 be used in low-power microcontroller systems? A: Yes, APX803-23SAG-7 is commonly used in low-power microcontroller systems as it consumes very low quiescent current (typically 0.1µA).

  9. Q: What is the package type of APX803-23SAG-7? A: APX803-23SAG-7 is available in an SOT-23-3 package, which is a small surface-mount package with three pins.

  10. Q: Are there any application notes or reference designs available for APX803-23SAG-7? A: Yes, the manufacturer provides application notes and reference designs that can help users understand and implement APX803-23SAG-7 in their technical solutions effectively.

Please note that the answers provided here are general and may vary depending on specific requirements and datasheet specifications.