MAX6449UT46L+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, Precision, Reset Output
• Package: SOT-23-6
• Essence: Monitors the voltage level of a system and provides a reset signal when the voltage falls below a certain threshold.
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Options: 4.63V, 4.38V, 4.00V, 3.08V, 2.93V, 2.63V, 2.32V, 2.06V
• Reset Timeout Period: 140ms, 280ms, 560ms, 1120ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6449UT46L+T has a total of six pins arranged as follows:

```

---

| | --| VCC GND |-- Pin 1: Ground (GND) --| RESET OUT |-- Pin 2: Reset Output (RESET OUT) --| MR |-- Pin 3: Manual Reset Input (MR) --| TH |-- Pin 4: Threshold Selection (TH) --| TRIP |-- Pin 5: Trip Point Output (TRIP) --| VCC |-- Pin 6: Power Supply (VCC) |___________| ```

Functional Features

• Monitors the supply voltage and generates a reset signal when the voltage drops below the selected threshold.
• Provides a manual reset input for immediate system reset.
• Offers multiple threshold options to suit different voltage requirements.
• Includes a trip point output for monitoring the voltage level externally.

Advantages and Disadvantages

Advantages: - Low-power consumption, suitable for battery-powered applications. - Precision voltage monitoring ensures reliable system operation. - Small package size allows for space-efficient designs. - Wide operating temperature range enables usage in various environments.

Disadvantages: - Limited number of threshold options may not cover all voltage requirements. - Lack of adjustable reset timeout period may not be suitable for all applications.

Working Principles

The MAX6449UT46L+T operates by continuously monitoring the supply voltage using an internal voltage reference. When the voltage falls below the selected threshold, the reset output is activated, signaling a system reset. The manual reset input can also trigger an immediate reset when pulled low. The trip point output provides a means to monitor the voltage externally.

Detailed Application Field Plans

The MAX6449UT46L+T finds applications in various fields, including but not limited to: 1. Battery-powered devices: Ensures proper functioning by monitoring voltage levels and initiating resets when necessary. 2. Embedded systems: Provides a reliable reset mechanism to prevent system malfunctions due to voltage fluctuations. 3. Industrial automation: Monitors power supply integrity to maintain stable operation of critical equipment. 4. Automotive electronics: Protects sensitive components from voltage drops and ensures safe operation. 5. Consumer electronics: Enhances system reliability by resetting devices during power supply disturbances.

Detailed and Complete Alternative Models

1. MAX6449UT46L+T (current model)
2. MAX6449UT46L+T1
3. MAX6449UT46L+T2
4. MAX6449UT46L+T3
5. MAX6449UT46L+T4

These alternative models offer similar functionality and characteristics, providing flexibility in selecting the most suitable voltage supervisor for specific applications.

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