MAX809TTRG

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor
• Characteristics: Low-power, Precision, Reset Output
• Package: SOT-23-3
• Essence: Monitors the voltage level and provides a reset signal when the voltage drops below a specified threshold.
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Threshold Voltage Options: 1.6V, 2.5V, 3.08V, 4.63V
• Reset Timeout Period: 140ms, 560ms, 1120ms, or Adjustable
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX809TTRG is a three-pin device with the following pin configuration:

1. GND: Ground connection
2. RESET: Reset output
3. VCC: Supply voltage input

Functional Features

• Voltage Monitoring: The MAX809TTRG continuously monitors the supply voltage and compares it to the preset threshold voltage.
• Reset Signal Generation: When the supply voltage drops below the threshold voltage, the MAX809TTRG generates a reset signal.
• Precision: The device offers accurate voltage monitoring with low voltage hysteresis.

Advantages and Disadvantages

Advantages: - Low-power consumption - Small package size - Wide operating voltage range - Adjustable reset timeout period

Disadvantages: - Limited threshold voltage options - Single-channel monitoring

Working Principles

The MAX809TTRG operates by comparing the supply voltage with the selected threshold voltage. If the supply voltage falls below the threshold, the internal circuitry triggers the reset output, indicating a power failure or voltage drop. The reset signal remains active until the supply voltage rises above the threshold and the reset timeout period elapses.

Detailed Application Field Plans

The MAX809TTRG finds applications in various fields, including:

1. Microcontrollers: Provides a reliable reset signal to microcontrollers during power-up or voltage fluctuations.
2. Battery-Powered Devices: Monitors battery voltage and triggers a reset when it drops below a critical level.
3. Industrial Control Systems: Ensures proper operation by monitoring power supply integrity.
4. Automotive Electronics: Protects sensitive electronic components from voltage variations.

Detailed and Complete Alternative Models

1. MAX803/MAX809 Series: Similar voltage monitor ICs with different package options (SOT23-5, SOT23-6).
2. MAX811/MAX812 Series: Voltage monitors with manual reset input and adjustable reset timeout period.
3. MAX631/MAX632 Series: Voltage monitors with additional watchdog timer functionality.

Note: This is not an exhaustive list, and there are other alternative models available from various manufacturers.

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