APX803L40-43SA-7

Product Overview

Category

APX803L40-43SA-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
• Easy to integrate into circuit designs

Package

The APX803L40-43SA-7 comes in a small surface-mount SOT-23-3 package.

Essence

The essence of APX803L40-43SA-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 or tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Operating Voltage Range: 1.8V to 5.5V
• Threshold Voltage Options: 4.0V or 4.3V
• Quiescent Current: 1µA (typical)
• Output Type: Active-Low
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The APX803L40-43SA-7 has three pins:

1. VDD: This pin is connected to the positive supply voltage.
2. GND: This pin is connected to the ground reference.
3. RESET: This pin provides the active-low reset output signal.

Functional Features

• Accurate voltage monitoring: The APX803L40-43SA-7 ensures precise detection of voltage levels within the specified range.
• Active-low reset output: The device provides an active-low reset signal when the monitored voltage falls below the threshold.
• Low power consumption: With a quiescent current of only 1µA, it minimizes power consumption in battery-powered applications.
• Wide operating voltage range: The device can operate within a wide voltage range, making it suitable for various applications.

Advantages and Disadvantages

Advantages

• High accuracy in voltage monitoring
• Low power consumption
• Small package size for easy integration
• Wide operating voltage range

Disadvantages

• Limited threshold voltage options (4.0V or 4.3V)
• Active-low reset output may not be suitable for all applications

Working Principles

The APX803L40-43SA-7 operates by comparing the input voltage with the internally set threshold voltage. When the input voltage falls below the threshold, the device triggers an active-low reset signal. This signal can be used to initiate system resets or perform other actions based on the specific application requirements.

Detailed Application Field Plans

The APX803L40-43SA-7 finds applications in various fields, including:

1. Battery-powered devices: It ensures efficient power management and prevents over-discharge of batteries.
2. Industrial control systems: The voltage detector helps monitor critical voltage levels in industrial equipment.
3. Automotive electronics: It plays a vital role in detecting voltage fluctuations and protecting sensitive automotive components.
4. Consumer electronics: The device is used in devices like smartphones, tablets, and wearables to ensure stable operation and prevent damage due to voltage variations.

Detailed and Complete Alternative Models

1. APX803L30-31SA-7: Similar to APX803L40-43SA-7 but with a lower threshold voltage option (3.0V or 3.1V).
2. APX803M40-43SA-7: A micro-power version of the APX803L40-43SA-7 with even lower quiescent current.

These alternative models provide similar functionality with slight variations in threshold voltage and power consumption.

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