MAX809LEUR+TG11

Product Overview

• Category: Integrated Circuits (ICs)
• Use: Voltage Supervisors
• Characteristics:
  • Low-power microprocessor reset circuits
  • Precision voltage monitor
  • Manual reset input
  • Active-low push-pull reset output
• Package: SOT-23-3
• Essence: MAX809LEUR+TG11 is a voltage supervisor IC that provides power-on reset and low-voltage monitoring for microprocessors and other digital systems.
• Packaging/Quantity: Tape & Reel (3000 pieces per reel)

Specifications

• Supply Voltage Range: 1.0V to 5.5V
• Reset Threshold Voltage Options: 2.93V, 3.08V, 3.30V, 4.63V
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 5µA (typical)
• Reset Timeout Period: 140ms (typical)

Detailed Pin Configuration

MAX809LEUR+TG11 has three pins:

1. GND: Ground pin
2. RESET: Active-low push-pull reset output
3. VCC: Supply voltage input

Functional Features

• Power-On Reset: Generates a reset signal when the supply voltage rises above the reset threshold voltage.
• Low-Voltage Monitoring: Monitors the supply voltage and asserts the reset signal if it falls below the reset threshold voltage.
• Manual Reset Input: Allows an external signal to assert the reset signal.
• Active-Low Push-Pull Reset Output: Provides a strong reset signal to the microprocessor or digital system.

Advantages and Disadvantages

Advantages: - Low-power consumption - Wide supply voltage range - Multiple reset threshold voltage options - Small package size

Disadvantages: - Lack of adjustable reset timeout period - Limited number of pins for additional functionality

Working Principles

MAX809LEUR+TG11 operates by comparing the supply voltage with the set reset threshold voltage. When the supply voltage rises above the threshold, a power-on reset signal is generated. If the supply voltage falls below the threshold, a low-voltage condition is detected, and the reset signal is asserted. The manual reset input allows an external signal to override the internal monitoring and assert the reset signal.

Detailed Application Field Plans

MAX809LEUR+TG11 is commonly used in various applications, including: - Microprocessor-based systems - Industrial control systems - Embedded systems - Battery-powered devices - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to MAX809LEUR+TG11 are: - MAX811LEUS+T: SOT-143 package, 4-pin configuration - MAX810LEUR+T: SOT-23-3 package, similar features and characteristics - MAX803REXR+T: SC-70 package, adjustable reset timeout period

These alternative models offer similar functionality and can be chosen based on specific requirements and preferences.

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