APX803S-31SR-7

Product Overview

Category

APX803S-31SR-7 belongs to the category of voltage detectors.

Use

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

Characteristics

• Low power consumption
• High accuracy
• Wide operating voltage range
• Small package size
• Built-in hysteresis function

Package

The APX803S-31SR-7 comes in a small SOT-23-3 package.

Essence

The essence of APX803S-31SR-7 lies in its ability to accurately monitor voltage levels and provide a reliable output signal.

Packaging/Quantity

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

Specifications

• Operating Voltage Range: 2.5V to 6.0V
• Threshold Voltage: 3.1V ± 1.0%
• Supply Current: 1.0µA (typical)
• Output Type: Active-Low
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The APX803S-31SR-7 has three pins:

1. VDD: Power supply input pin.
2. GND: Ground reference pin.
3. RESET: Output pin that provides an active-low signal when the voltage drops below the threshold.

Functional Features

• Accurate voltage monitoring: The APX803S-31SR-7 ensures precise detection of voltage levels.
• Hysteresis function: Built-in hysteresis prevents oscillation near the threshold voltage.
• Low power consumption: The device operates with minimal power requirements.
• Wide operating voltage range: It can be used in various applications with different voltage levels.

Advantages and Disadvantages

Advantages

• High accuracy in voltage monitoring
• Low power consumption
• Small package size for space-constrained designs
• Wide operating voltage range allows for versatile applications

Disadvantages

• Lack of adjustable threshold voltage
• Limited output options (only active-low)

Working Principles

The APX803S-31SR-7 operates based on a voltage comparator circuit. It compares the input voltage with the internally set threshold voltage. When the input voltage drops below the threshold, the RESET pin outputs an active-low signal.

Detailed Application Field Plans

The APX803S-31SR-7 finds applications in various fields, including:

1. Battery-powered devices: It can be used to monitor battery voltage levels and trigger actions when they reach critical levels.
2. Power supply units: The voltage detector ensures stable operation by monitoring the input voltage.
3. Industrial control systems: It provides voltage monitoring capabilities in control circuits to prevent malfunctions.

Detailed and Complete Alternative Models

1. APX803S-29SR-7: Similar to APX803S-31SR-7 but with a lower threshold voltage of 2.9V.
2. APX803S-33SR-7: Similar to APX803S-31SR-7 but with a higher threshold voltage of 3.3V.
3. APX803M-31SR-7: A micro-power version of APX803S-31SR-7 with even lower power consumption.

These alternative models offer similar functionality with slight variations in threshold voltage or power consumption.

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