MAX6388XS45D2-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor and Reset Circuit
• Characteristics: Low-power, precision voltage monitoring, adjustable reset threshold, small package size
• Package: SOT23-5
• Essence: The MAX6388XS45D2-T is a voltage monitor and reset circuit designed to monitor the power supply voltage of electronic systems and provide a reset signal when the voltage falls below a certain threshold.
• Packaging/Quantity: The MAX6388XS45D2-T is available in tape and reel packaging with 3000 units per reel.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage: Adjustable from 1.25V to 4.63V in 100mV steps
• Reset Timeout Period: Fixed at 140ms
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 3µA (typical)

Detailed Pin Configuration

The MAX6388XS45D2-T has a total of five pins:

1. VCC: Power supply input pin (+1.6V to +5.5V)
2. GND: Ground reference pin
3. MR: Manual reset input pin (active-low)
4. RESET: Reset output pin (active-low)
5. ADJ: Reset threshold adjustment pin

Functional Features

• Monitors the power supply voltage and generates a reset signal when the voltage falls below the set threshold.
• Adjustable reset threshold allows customization for different system requirements.
• Provides a manual reset option through the MR pin.
• Small package size makes it suitable for space-constrained applications.
• Low quiescent current ensures minimal power consumption.

Advantages and Disadvantages

Advantages: - Precise voltage monitoring ensures reliable system operation. - Adjustable reset threshold allows flexibility in design. - Low-power operation extends battery life in portable devices. - Small package size saves board space.

Disadvantages: - Fixed reset timeout period may not be suitable for all applications. - Limited supply voltage range may restrict compatibility with certain systems.

Working Principles

The MAX6388XS45D2-T operates by continuously monitoring the power supply voltage connected to the VCC pin. When the voltage falls below the set threshold, the RESET pin is pulled low, indicating a reset condition. The reset signal remains active until the voltage rises above the threshold or a manual reset is triggered through the MR pin. The ADJ pin allows adjustment of the reset threshold voltage according to the specific requirements of the system.

Detailed Application Field Plans

The MAX6388XS45D2-T is commonly used in various electronic systems where reliable voltage monitoring and reset functionality are crucial. Some application fields include:

1. Microcontrollers and microprocessors
2. Embedded systems
3. Power management circuits
4. Battery-powered devices
5. Industrial control systems

Detailed and Complete Alternative Models

1. MAX6388XS46D2-T: Similar to MAX6388XS45D2-T but with a different reset timeout period.
2. MAX6388XS44D2-T: Similar to MAX6388XS45D2-T but with a different package size.
3. MAX6388XS43D2-T: Similar to MAX6388XS45D2-T but with a different supply voltage range.

These alternative models offer similar functionality with slight variations to cater to different application requirements.

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