MAX6426UK30+T

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, Precision, Adjustable Threshold
• Package: SOT23-5
• Essence: Monitors and controls the voltage level of a system
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.8V to 6V
• Threshold Voltage Options: 2.93V, 3.08V, 3.63V, 4.38V, 4.63V, 4.88V
• Quiescent Current: 1µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. GND: Ground connection
2. RESET: Active-low reset output
3. TH: Threshold input for setting the desired voltage level
4. VCC: Positive supply voltage
5. MR: Manual reset input

Functional Features

• Monitors the supply voltage and generates a reset signal when it falls below the threshold voltage
• Adjustable threshold voltage allows customization for different applications
• Low quiescent current ensures minimal power consumption
• Manual reset input provides additional control over the reset function

Advantages

• Wide supply voltage range enables compatibility with various systems
• Precision threshold voltage options ensure accurate monitoring
• Low-power operation prolongs battery life in portable devices
• Small package size saves board space

Disadvantages

• Limited threshold voltage options may not cater to all voltage requirements
• Lack of built-in hysteresis may result in oscillations near the threshold voltage

Working Principles

The MAX6426UK30+T is a voltage supervisor IC that continuously monitors the supply voltage of a system. It compares the voltage level with the threshold voltage set by the TH pin. When the supply voltage falls below the threshold, the RESET pin is asserted low, indicating a reset condition. The manual reset input (MR) allows the user to manually trigger a reset signal.

Detailed Application Field Plans

• Battery-powered devices: Ensures proper operation and prevents damage due to low voltage conditions.
• Microcontroller systems: Provides a reliable reset signal during power-up and voltage fluctuations.
• Industrial control systems: Monitors critical voltages to maintain system integrity and prevent data corruption.

Detailed and Complete Alternative Models

1. MAX6427UK30+T: Similar to MAX6426UK30+T but with different threshold voltage options.
2. MAX6428UK30+T: Voltage supervisor IC with adjustable threshold voltage and additional features like watchdog timer.

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