APX803L05-27SA-7

Product Overview

Category

APX803L05-27SA-7 belongs to the category of voltage supervisors.

Use

It is primarily used for monitoring and controlling the power supply voltage in electronic devices.

Characteristics

• Low-power consumption
• Wide operating voltage range
• High accuracy
• Reset output with adjustable delay time
• Small package size

Package

The APX803L05-27SA-7 comes in a small SOT-23-5 package.

Essence

The essence of APX803L05-27SA-7 lies in its ability to ensure stable and reliable operation by monitoring the power supply voltage and generating a reset signal when necessary.

Packaging/Quantity

The product is typically packaged in reels, with each reel containing a specific quantity of APX803L05-27SA-7 units.

Specifications

• Operating Voltage Range: 2.0V to 6.0V
• Reset Threshold Voltage: 2.7V
• Reset Output Type: Active-Low
• Reset Delay Time: Adjustable (typically 200ms)
• Quiescent Current: 1.0μA (typical)

Detailed Pin Configuration

The APX803L05-27SA-7 has five pins arranged as follows:

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Pin 1: GND (Ground) Pin 2: MR (Manual Reset) Pin 3: VDD (Power Supply Voltage) Pin 4: RESET (Reset Output) Pin 5: NC (No Connection)

Functional Features

• Monitors power supply voltage continuously
• Generates a reset signal when the voltage falls below the threshold
• Adjustable reset delay time allows for customization based on application requirements
• Manual reset pin for immediate system reset

Advantages and Disadvantages

Advantages

• Low power consumption ensures minimal impact on overall system performance
• Wide operating voltage range makes it compatible with various electronic devices
• High accuracy in monitoring the power supply voltage enhances system reliability
• Small package size enables space-saving designs

Disadvantages

• The adjustable reset delay time may require additional configuration and testing efforts during system integration
• Limited availability of alternative models from other manufacturers

Working Principles

The APX803L05-27SA-7 operates by comparing the power supply voltage with a preset threshold. When the voltage drops below the threshold, the internal circuit generates a reset signal, which can be used to initiate a system reset or perform other necessary actions.

Detailed Application Field Plans

APX803L05-27SA-7 finds applications in various electronic devices that require reliable power supply monitoring and control. Some potential application fields include:

1. Microcontrollers: Ensuring stable operation by resetting the system when the power supply voltage becomes unstable.
2. Industrial Control Systems: Monitoring critical power supply voltages to prevent malfunctions and ensure safe operation.
3. Automotive Electronics: Protecting sensitive components from voltage fluctuations and ensuring proper functioning.
4. Battery-Powered Devices: Preventing excessive discharge and protecting the battery life by initiating a shutdown when the voltage drops below a certain level.

Detailed and Complete Alternative Models

While the APX803L05-27SA-7 is a popular choice, there are alternative models available from different manufacturers. Some notable alternatives include:

1. MAX803L: Similar features and specifications, offered by Maxim Integrated.
2. MCP130: Voltage supervisors with adjustable reset delay, manufactured by Microchip Technology.
3. TPS3808: Ultra-low-power voltage supervisors with programmable delay, produced by Texas Instruments.

These alternative models provide similar functionality and can be considered based on specific application requirements.

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