APX803L05-45SA-7

Product Overview

Category

APX803L05-45SA-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
• Reset output with adjustable delay time
• Small package size

Package

The APX803L05-45SA-7 comes in a small SOT-23-5 package.

Essence

The essence of APX803L05-45SA-7 lies in its ability to ensure stable and reliable operation by monitoring the power supply voltage and providing a reset signal when necessary.

Packaging/Quantity

The product is typically packaged in reels, with each reel containing a specific quantity of APX803L05-45SA-7 units.

Specifications

• Operating Voltage Range: 1.8V to 5.5V
• Reset Threshold Voltage: 4.5V
• Reset Delay Time: Adjustable (typically 200ms)
• Quiescent Current: 0.1μA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The APX803L05-45SA-7 has five pins arranged as follows:

```

---

| | --| VDD | --| GND | --| MR | --| RESET | --| NC | |_______| ```

• VDD: Power supply input pin
• GND: Ground pin
• MR: Manual reset input pin
• RESET: Reset output pin
• NC: No connection pin

Functional Features

• Voltage Monitoring: The APX803L05-45SA-7 continuously monitors the power supply voltage and compares it with the reset threshold voltage.
• Reset Signal Generation: When the power supply voltage drops below the reset threshold, the APX803L05-45SA-7 generates a reset signal on the RESET pin.
• Adjustable Delay Time: The delay time for the reset signal can be adjusted using external components.
• Manual Reset: The MR pin allows for manual reset control.

Advantages and Disadvantages

Advantages

• Low-power consumption ensures minimal impact on overall system performance.
• Wide operating voltage range makes it compatible with various electronic devices.
• High accuracy in voltage monitoring enhances system reliability.
• Small package size enables space-saving designs.

Disadvantages

• Lack of built-in hysteresis may lead to potential noise-related issues.
• Limited flexibility in delay time adjustment without additional external components.

Working Principles

The APX803L05-45SA-7 operates by continuously monitoring the power supply voltage. When the voltage drops below the reset threshold, the device generates a reset signal on the RESET pin. This signal can be used to initiate system resets or trigger specific actions based on the application requirements.

Detailed Application Field Plans

The APX803L05-45SA-7 finds applications in various fields, including but not limited to: 1. Consumer electronics 2. Industrial automation 3. Automotive systems 4. Medical devices 5. Internet of Things (IoT) devices

In consumer electronics, it can be used to ensure reliable operation of microcontrollers and other integrated circuits. In industrial automation, it helps maintain stable power supply voltages for control systems. In automotive systems, it plays a crucial role in monitoring critical voltage levels. In medical devices, it contributes to the safe and accurate functioning of sensitive equipment. In IoT devices, it assists in maintaining power integrity and system stability.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the APX803L05-45SA-7 include: 1. MAX809: Low-power voltage supervisor with adjustable reset threshold. 2. MCP131: Voltage monitor with manual reset and adjustable delay time. 3. TPS3808: Precision voltage supervisor with programmable reset delay.

These alternative models provide options for different operating voltage ranges, reset threshold voltages, and additional features based on specific application requirements.

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