APX803L05-14SA-7

Product Overview

Category

APX803L05-14SA-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 adjustable

Package

The APX803L05-14SA-7 is available in a small SOT-23-5 package.

Essence

The essence of APX803L05-14SA-7 lies in its ability to provide accurate voltage monitoring and reset functionality, ensuring stable operation of electronic devices.

Packaging/Quantity

The product is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Threshold Voltage Options: 4.63V, 4.38V, 4.00V, 3.08V, 2.93V, 2.63V, 2.32V, 2.00V
• Reset Output Type: Active-Low
• Reset Output Delay Time: Adjustable (typically 140ms)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The APX803L05-14SA-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

1. Voltage Monitoring: The APX803L05-14SA-7 continuously monitors the power supply voltage and provides a reset signal when it falls below a predetermined threshold.
2. Adjustable Reset Delay: The reset output delay time can be adjusted to suit specific application requirements.
3. Manual Reset: The manual reset input allows for an external reset signal to override the internal monitoring circuit.

Advantages and Disadvantages

Advantages

• Low-power consumption ensures minimal impact on overall system energy efficiency.
• Wide operating voltage range makes it compatible with various power supply configurations.
• High accuracy in voltage monitoring enhances system reliability.
• Small package size enables space-saving integration into compact electronic devices.

Disadvantages

• Limited threshold voltage options may not cover all voltage monitoring requirements.
• Lack of built-in hysteresis may result in potential oscillations near the threshold voltage.

Working Principles

The APX803L05-14SA-7 operates by comparing the power supply voltage with a preset threshold voltage. When the supply voltage drops below the threshold, the reset output is activated, indicating a power failure or unstable voltage condition. The reset output remains active until the supply voltage rises above the threshold and the reset delay time elapses.

Detailed Application Field Plans

The APX803L05-14SA-7 finds applications in various electronic systems where reliable voltage monitoring and reset functionality are crucial. Some specific application field plans include:

1. Microcontrollers: Ensuring stable operation by monitoring the power supply voltage and initiating a reset if necessary.
2. Industrial Control Systems: Preventing malfunctions caused by voltage fluctuations and providing timely reset signals.
3. Automotive Electronics: Protecting sensitive components from voltage variations and enabling safe system recovery.
4. Battery-Powered Devices: Extending battery life by efficiently managing power supply voltage levels.

Detailed and Complete Alternative Models

1. APX803L05-31SA-7: Similar to APX803L05-14SA-7, but with different threshold voltage options.
2. APX803L05-29SA-7: Another variant with adjustable reset delay time and a wider operating temperature range.
3. APX803L05-18SA-7: Offers additional hysteresis for improved noise immunity.

These alternative models provide similar functionality but may have variations in specifications and features to cater to specific application requirements.

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