MAX6361PUT26+T

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor and Reset Circuit
• Characteristics: Low-power, precision voltage monitoring, reset output
• Package: SOT23-6
• Essence: Monitors the voltage level of a power supply and generates a reset signal when the voltage falls below a certain threshold.
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.71V to 5.5V
• Threshold Voltage Options: 2.63V, 2.93V, 3.08V, 3.30V, 4.38V, 4.63V
• Reset Timeout Period: 140ms, 280ms, 560ms, 1120ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6361PUT26+T has six pins arranged as follows:

```

---

| | --| VCC GND |-- Pin 1: Ground (GND) --| RST OUT |-- Pin 2: Reset Output (OUT) --| MR TH |-- Pin 3: Manual Reset Input (MR) --| TR TO |-- Pin 4: Timeout Period Selection (TR) --| VCC GND |-- Pin 5: Ground (GND) |___________| ```

Functional Features

• Precision voltage monitoring with selectable threshold options
• Reset output remains low until the supply voltage rises above the threshold
• Manual reset input for immediate system reset
• Selectable timeout period to prevent false resets during power-up or voltage fluctuations
• Low quiescent current consumption for power-sensitive applications

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - Selectable threshold and timeout options provide flexibility in different applications - Low-power consumption extends battery life in portable devices

Disadvantages: - Limited number of threshold voltage options may not suit all voltage monitoring requirements - SOT23-6 package may be challenging for hand soldering or rework

Working Principles

The MAX6361PUT26+T monitors the supply voltage using an internal voltage reference and comparator. When the supply voltage falls below the selected threshold, the reset output is driven low, indicating a system reset condition. The reset output remains low until the supply voltage rises above the threshold and the timeout period elapses. The manual reset input allows for immediate system reset regardless of the voltage level.

Detailed Application Field Plans

The MAX6361PUT26+T finds applications in various fields, including: 1. Battery-powered devices: Provides reliable power-on reset functionality to ensure proper system initialization. 2. Microcontroller-based systems: Guards against voltage drops that could cause erratic behavior or data corruption. 3. Industrial control systems: Ensures safe operation by resetting the system when the supply voltage deviates from the specified range. 4. Automotive electronics: Monitors the vehicle's power supply to prevent malfunctions due to voltage fluctuations.

Detailed and Complete Alternative Models

1. MAX6381XR29D3+: Similar to MAX6361PUT26+T but offers a different package (SOT23-5) and a wider supply voltage range.
2. MAX6316LUK46CY-T: Voltage monitor and reset circuit with additional features like watchdog timer and adjustable reset timeout.
3. MAX811TEUS+T: Supervisory circuit with a push-pull reset output and adjustable reset threshold.

Note: This list is not exhaustive, and there are several other alternative models available in the market.

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