MAX808LESA+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: The MAX808LESA+ is a voltage detector IC that is primarily used for monitoring the power supply voltage in electronic circuits. It provides a reliable means of detecting when the voltage falls below or exceeds a certain threshold, triggering appropriate actions to protect the circuitry.

Characteristics: - Low power consumption - Wide operating voltage range - High accuracy voltage detection - Small package size - Easy integration into various electronic systems

Package: The MAX808LESA+ is available in a small surface-mount SOIC package.

Essence: This IC serves as a crucial component in ensuring the stability and protection of electronic circuits by continuously monitoring the power supply voltage.

Packaging/Quantity: The MAX808LESA+ is typically sold in reels containing a quantity of 250 units.

Specifications

• Operating Voltage Range: 1.8V to 6.0V
• Threshold Voltage Options: Various preset voltage thresholds available
• Quiescent Current: 1µA (typical)
• Output Type: Active-Low Open-Drain
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX808LESA+ features a total of 5 pins:

1. VCC: Power supply input pin.
2. GND: Ground reference pin.
3. OUT: Active-low open-drain output pin.
4. TH: Threshold voltage selection pin.
5. RESET: Reset pin for external circuitry.

Functional Features

• Accurate Voltage Detection: The MAX808LESA+ ensures precise monitoring of the power supply voltage, enabling timely actions to be taken when voltage thresholds are breached.
• Low Power Consumption: With a quiescent current of only 1µA, this IC minimizes power consumption, making it suitable for battery-powered applications.
• Open-Drain Output: The active-low open-drain output allows for easy integration with other circuitry, providing flexibility in system design.

Advantages and Disadvantages

Advantages: - High accuracy voltage detection - Low power consumption - Wide operating voltage range - Small package size for space-constrained designs - Easy integration into various electronic systems

Disadvantages: - Limited threshold voltage options (preset values only) - Lack of adjustable hysteresis settings

Working Principles

The MAX808LESA+ operates by comparing the input voltage with a preset threshold voltage. When the input voltage falls below or exceeds this threshold, the output pin is activated, signaling a voltage fault condition. This can be used to trigger actions such as system shutdown or fault indication.

Detailed Application Field Plans

The MAX808LESA+ finds application in various fields where reliable voltage monitoring is crucial. Some potential areas of use include: 1. Battery-powered devices: Ensuring proper battery voltage levels to prevent damage or unexpected shutdowns. 2. Power supply units: Monitoring input and output voltages to protect sensitive components from overvoltage or undervoltage conditions. 3. Industrial control systems: Detecting voltage fluctuations to maintain stable operation and prevent equipment damage. 4. Automotive electronics: Safeguarding critical circuits from voltage variations, ensuring reliable performance.

Detailed and Complete Alternative Models

1. MAX809LESA+: Similar to the MAX808LESA+, but with an active-high open-drain output.
2. MAX803LESA+: Voltage detector IC with a manual reset option and adjustable threshold voltage.
3. MAX810LESA+: Voltage detector IC with a push-pull output and adjustable threshold voltage.

These alternative models offer similar functionality to the MAX808LESA+ while providing additional features or customization options based on specific application requirements.

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