APX803L-39SA-7

Product Overview

Category

APX803L-39SA-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 delay time function

Package

The APX803L-39SA-7 is available in a small SOT-23-3 package.

Essence

The essence of APX803L-39SA-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: 1.8V to 5.5V
• Threshold Voltage: 3.9V ± 1.5%
• Quiescent Current: 0.1µA (typical)
• Output Type: Active Low
• Delay Time: 200ms (typical)

Detailed Pin Configuration

The APX803L-39SA-7 has three pins:

1. VDD: Power supply input pin
2. GND: Ground pin
3. RESET: Output pin indicating the voltage level status

Functional Features

• Accurate voltage monitoring
• Low power consumption
• Built-in delay time function for stable operation
• Active low output for easy integration with other circuits

Advantages and Disadvantages

Advantages

• High accuracy in voltage detection
• Wide operating voltage range allows for versatile applications
• Low quiescent current minimizes power consumption
• Small package size enables space-saving designs
• Built-in delay time function ensures stable operation

Disadvantages

• Limited threshold voltage options
• Lack of adjustable threshold voltage

Working Principles

The APX803L-39SA-7 operates by comparing the input voltage with a fixed threshold voltage. When the input voltage drops below the threshold, the RESET pin is pulled low, indicating a voltage level change.

Detailed Application Field Plans

The APX803L-39SA-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: It ensures stable operation by detecting abnormal voltage conditions.
3. Industrial control systems: The voltage detector can be employed to monitor power supply integrity and prevent damage to sensitive equipment.

Detailed and Complete Alternative Models

1. APX803L-29SA-7: Similar to APX803L-39SA-7 but with a threshold voltage of 2.9V.
2. APX803L-49SA-7: Similar to APX803L-39SA-7 but with a threshold voltage of 4.9V.
3. APX803M-39SA-7: A micro-power voltage detector with similar characteristics but lower quiescent current.

These alternative models provide options for different voltage monitoring requirements.

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