APX803L05-17SA-7

Product Overview

Category

APX803L05-17SA-7 belongs to the category of voltage supervisors.

Use

It is primarily used for monitoring and controlling the voltage levels in electronic circuits.

Characteristics

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

Package

The APX803L05-17SA-7 comes in a small SOT-23-3 package.

Essence

The essence of this product lies in its ability to provide accurate voltage monitoring and reset generation functions.

Packaging/Quantity

The APX803L05-17SA-7 is typically packaged in reels, with 3000 units per reel.

Specifications

• Supply Voltage Range: 1.8V to 5.5V
• Reset Threshold Voltage: 4.63V
• Reset Timeout Period: 140ms (typical)
• Quiescent Current: 1μA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The APX803L05-17SA-7 has three pins:

1. VDD: Connects to the positive supply voltage.
2. GND: Connects to the ground or negative supply voltage.
3. RESET: Output pin that provides a reset signal when the monitored voltage falls below the threshold.

Functional Features

• Voltage Monitoring: The APX803L05-17SA-7 continuously monitors the input voltage and generates a reset signal when it falls below the specified threshold.
• Reset Generation: When the monitored voltage drops below the threshold, the RESET pin goes low, indicating a system reset condition.
• Power-On Reset: The device ensures a proper reset during power-up, preventing any undefined behavior.

Advantages and Disadvantages

Advantages

• Low-power consumption makes it suitable for battery-powered applications.
• Wide operating voltage range allows compatibility with various systems.
• Small package size enables space-saving designs.

Disadvantages

• The reset timeout period may not be adjustable, limiting its flexibility in certain applications.
• Lack of additional features like adjustable threshold voltage or hysteresis.

Working Principles

The APX803L05-17SA-7 operates by comparing the input voltage with a fixed threshold. When the voltage drops below this threshold, the internal circuitry generates a reset signal. This signal remains active until the voltage rises above the threshold and the reset timeout period elapses.

Detailed Application Field Plans

The APX803L05-17SA-7 finds applications in various fields, including:

1. Microcontrollers: Ensuring proper system reset during power-up and voltage fluctuations.
2. Communication Systems: Monitoring supply voltage to prevent data corruption or loss.
3. Industrial Control Systems: Providing reliable reset signals for critical processes.
4. Automotive Electronics: Protecting sensitive components from voltage variations.

Detailed and Complete Alternative Models

1. APX803L10-17SA-7: Similar to APX803L05-17SA-7 but with a higher reset threshold voltage of 4.88V.
2. APX803L03-17SA-7: Similar to APX803L05-17SA-7 but with a lower reset threshold voltage of 4.38V.
3. APX803M05-17SA-7: A micro-power version with even lower quiescent current of 0.5μA.

(Note: The alternative models listed here are just a few examples and not an exhaustive list.)

In conclusion, the APX803L05-17SA-7 is a voltage supervisor that provides accurate monitoring and reset generation functions. Its low-power consumption, wide operating voltage range, and small package size make it suitable for various applications. However, its fixed reset timeout period and lack of adjustable features may limit its flexibility in certain scenarios.