APX803L20-35SA-7

Product Overview

Category

APX803L20-35SA-7 belongs to the category of voltage supervisors.

Use

It is primarily used for monitoring and controlling the power supply voltage in electronic devices.

Characteristics

• Low-power consumption
• Wide operating voltage range
• High accuracy
• Small package size
• Reset output delay time

Package

The APX803L20-35SA-7 is available in a small SOT-23-3 package.

Essence

The essence of APX803L20-35SA-7 lies in its ability to ensure stable and reliable operation by monitoring the power supply voltage and generating a reset signal when necessary.

Packaging/Quantity

The product is typically packaged in reels, with each reel containing a specific quantity of APX803L20-35SA-7 units.

Specifications

• Operating Voltage Range: 1.8V to 5.5V
• Reset Threshold Voltage: 2.0V
• Reset Output Delay Time: 35ms (typical)
• Quiescent Current: 1μA (typical)

Detailed Pin Configuration

The APX803L20-35SA-7 has three pins:

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

Functional Features

• Monitors the power supply voltage continuously
• Generates a reset signal when the voltage falls below the threshold
• Provides a stable and reliable power-on reset function
• Low quiescent current ensures minimal power consumption

Advantages and Disadvantages

Advantages

• Low-power consumption extends battery life in portable devices
• Wide operating voltage range makes it compatible with various systems
• Small package size allows for space-saving designs
• High accuracy ensures precise voltage monitoring

Disadvantages

• Reset output delay time may not be suitable for applications requiring faster response
• Limited availability of alternative models with different specifications

Working Principles

The APX803L20-35SA-7 operates by comparing the power supply voltage with a preset threshold. When the voltage drops below the threshold, the reset output is activated, indicating a power-on reset condition. This ensures that the device being powered operates reliably from a known state.

Detailed Application Field Plans

APX803L20-35SA-7 finds application in various electronic devices where stable power supply voltage monitoring is critical. Some potential application fields include:

1. Microcontrollers and microprocessors
2. Embedded systems
3. Battery-powered devices
4. Industrial automation equipment
5. Communication systems

Detailed and Complete Alternative Models

While APX803L20-35SA-7 offers specific specifications, there are alternative models available from different manufacturers that cater to varying requirements. Some alternative models worth considering are:

1. MAX803L: Similar functionality with adjustable reset threshold voltage
2. MCP100: Offers additional features like manual reset input and watchdog timer
3. TPS3808: Provides adjustable reset threshold voltage and programmable delay time

These alternative models offer flexibility in terms of specifications and can be chosen based on specific application needs.

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