MAX805LCPA+ - English Editing Encyclopedia Entry

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, Precision, Reset Output
• Package: 8-pin PDIP (Plastic Dual In-Line Package)
• Essence: Monitors the power supply voltage and generates a reset signal when the voltage falls below a predetermined threshold.
• Packaging/Quantity: Available in tubes of 25 units or reels of 2,500 units.

Specifications

• Supply Voltage Range: 1.0V to 5.5V
• Reset Threshold Voltage: Adjustable from 1.2V to 4.63V
• Reset Timeout Period: Fixed at 140ms
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 7µA (typical)

Pin Configuration

The MAX805LCPA+ has the following pin configuration:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | GND | Ground | | 2 | RESET | Reset Output| | 3 | MR | Manual Reset Input | | 4 | VCC | Supply Voltage | | 5 | TH | Threshold Voltage Adjust | | 6 | CT | Capacitor Connection | | 7 | RESET | Reset Output | | 8 | VCC | Supply Voltage |

Functional Features

• Monitors the power supply voltage continuously.
• Generates a reset signal when the voltage falls below the set threshold.
• Provides a manual reset input for immediate system reset.
• Adjustable threshold voltage allows flexibility in monitoring different voltage levels.
• Fixed reset timeout period ensures proper system reset.

Advantages

• Low-power consumption, suitable for battery-powered applications.
• Precision monitoring of power supply voltage ensures reliable system operation.
• Small form factor and easy to integrate into existing designs.
• Wide operating temperature range allows usage in various environments.

Disadvantages

• Fixed reset timeout period may not be suitable for all applications requiring longer or shorter timeouts.
• Limited number of pins restricts the number of additional features that can be integrated.

Working Principles

The MAX805LCPA+ operates by continuously monitoring the power supply voltage. When the voltage falls below the threshold set by the TH pin, the IC generates a reset signal on the RESET pin. This reset signal remains active until the voltage rises above the threshold or a manual reset is applied to the MR pin.

Detailed Application Field Plans

The MAX805LCPA+ finds applications in various fields, including: 1. Battery-powered devices: Ensures proper system reset when the battery voltage drops below a certain level. 2. Microcontroller-based systems: Provides a reliable reset mechanism to prevent erratic behavior during power fluctuations. 3. Industrial automation: Monitors power supply voltage to ensure stable operation of control systems. 4. Automotive electronics: Protects sensitive electronic components from voltage dips or spikes.

Detailed and Complete Alternative Models

1. MAX803LCPA+: Similar to MAX805LCPA+, but with a fixed reset timeout period of 5ms.
2. MAX809LCPA+: Offers an adjustable reset timeout period in addition to voltage monitoring.
3. MAX811LCPA+: Includes a watchdog timer in addition to voltage monitoring and reset generation.

Note: The above alternative models are from the same manufacturer and have similar functionalities.

This comprehensive encyclopedia entry provides an overview of the MAX805LCPA+ voltage supervisor IC. It covers its basic information, specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.