APX803L20-27SA-7

Product Overview

Category

APX803L20-27SA-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
• Reset output delay time

Package

The APX803L20-27SA-7 comes in a small SOT-23-3 package.

Essence

The essence of APX803L20-27SA-7 lies in its ability to provide accurate voltage monitoring and reset functions in various electronic applications.

Packaging/Quantity

The product is typically packaged in reels, with each reel containing a specific quantity of APX803L20-27SA-7 units.

Specifications

• Operating Voltage Range: 1.8V to 5.5V
• Threshold Voltage: 2.7V
• Reset Output Delay Time: 200ms (typical)
• Quiescent Current: 0.1μA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The APX803L20-27SA-7 has three pins:

1. VDD: Power supply input pin.
2. GND: Ground reference pin.
3. RESET: Reset output pin.

Functional Features

• Voltage Monitoring: The APX803L20-27SA-7 continuously monitors the input voltage and provides a reset signal when it falls below the threshold voltage.
• Reset Output: The device generates a reset signal that can be used to initiate system resets or control other circuitry.
• Low Power Consumption: The low quiescent current ensures minimal power consumption, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages

• Wide operating voltage range allows for compatibility with various electronic systems.
• Small package size enables space-saving designs.
• High accuracy ensures reliable voltage monitoring.
• Low power consumption prolongs battery life in portable devices.

Disadvantages

• The reset output delay time may not be suitable for applications requiring faster response times.
• Limited availability of alternative models from other manufacturers.

Working Principles

The APX803L20-27SA-7 operates by comparing the input voltage with the threshold voltage. When the input voltage drops below the threshold, the device triggers the reset output, indicating a low-voltage condition. This reset signal can be used to initiate system resets or control other circuitry.

Detailed Application Field Plans

The APX803L20-27SA-7 finds applications in various fields, including: 1. Battery-powered devices: It ensures proper voltage monitoring and system reset functionality in portable electronics such as smartphones, tablets, and wearables. 2. Industrial automation: The voltage supervisor is used in control systems to monitor power supply voltages and trigger appropriate actions in case of voltage fluctuations. 3. Automotive electronics: It plays a crucial role in automotive applications, ensuring stable voltage levels and initiating system resets when necessary.

Detailed and Complete Alternative Models

While the APX803L20-27SA-7 is a popular choice, there are alternative models available from different manufacturers that offer similar functionality. Some notable alternatives include:

1. MAX803L: Manufactured by Maxim Integrated, it offers comparable features and comes in various package options.
2. MCP130: Produced by Microchip Technology, it provides voltage monitoring and reset functions with additional features like adjustable reset thresholds.
3. TPS3808: Texas Instruments offers this voltage supervisor with adjustable reset thresholds and a wide operating temperature range.

These alternative models provide flexibility in choosing the most suitable voltage supervisor for specific application requirements.

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