LM810M3-4.38/NOPB

Product Overview

Category

LM810M3-4.38/NOPB belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for voltage monitoring and reset functions.

Characteristics

• Voltage monitoring range: 4.38V
• Package type: SOT-23
• Essence: Precision voltage detector with a built-in delay timer
• Packaging/Quantity: Available in tape and reel packaging, with a quantity of 3000 units per reel

Specifications

The LM810M3-4.38/NOPB has the following specifications:

• Supply Voltage Range: 1.6V to 5.5V
• Quiescent Current: 20µA (typical)
• Reset Threshold Accuracy: ±2%
• Delay Time: 200ms (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LM810M3-4.38/NOPB has three pins:

1. VDD: Power supply input pin.
2. GND: Ground reference pin.
3. RESET: Output pin that provides a reset signal when the monitored voltage drops below the threshold.

Functional Features

The LM810M3-4.38/NOPB offers the following functional features:

• Precision voltage monitoring: It accurately detects when the voltage falls below the specified threshold.
• Built-in delay timer: The integrated delay timer ensures a stable output signal by delaying the reset signal for a specific duration.
• Low quiescent current: With a typical quiescent current of only 20µA, it minimizes power consumption.

Advantages and Disadvantages

Advantages: - Precise voltage monitoring ensures reliable operation of electronic devices. - Built-in delay timer prevents false resets caused by voltage fluctuations. - Low quiescent current reduces power consumption.

Disadvantages: - Limited voltage monitoring range of 4.38V. - SOT-23 package may not be suitable for all applications.

Working Principles

The LM810M3-4.38/NOPB operates based on a voltage comparator and a built-in delay timer. When the monitored voltage drops below the threshold, the comparator triggers the reset signal. The delay timer ensures that the reset signal remains stable for a specific duration, preventing false resets due to temporary voltage fluctuations.

Detailed Application Field Plans

The LM810M3-4.38/NOPB finds applications in various electronic devices where voltage monitoring and reset functions are crucial. Some potential application fields include:

1. Microcontrollers: Ensuring proper reset functionality during power-up or voltage drops.
2. Battery-powered devices: Monitoring battery voltage to prevent damage from over-discharge.
3. Industrial control systems: Providing reliable reset signals for critical components.
4. Automotive electronics: Ensuring stable operation by monitoring voltage levels.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LM810M3-4.38/NOPB include:

1. MAX809: Precision voltage detectors with adjustable reset thresholds.
2. MCP100: Voltage supervisors with programmable delay timers.
3. TPS3808: Ultra-low-power voltage monitors with wide supply voltage range.

These alternative models provide options with different features and specifications, allowing designers to choose the most suitable solution for their specific requirements.

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