MAX6388XS21D4-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 MAX6388XS21D4-T is a voltage monitor and reset circuit designed for use in various electronic devices. It ensures proper operation by monitoring the supply voltage and generating a reset signal when the voltage falls below a certain threshold.
• Packaging/Quantity: The MAX6388XS21D4-T is available in tape and reel packaging with 3000 units per reel.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Adjustable Reset Threshold: 2.1V to 4.63V
• Quiescent Current: 3µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX6388XS21D4-T has a total of 5 pins arranged as follows:

```

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| | --| VCC GND |-- Pin 1: Ground (GND) --| MR RST |-- Pin 2: Reset Output (RST) --| TH VCC |-- Pin 3: Supply Voltage (VCC) --| GND GND |-- Pin 4: Ground (GND) --| RESET GND |-- Pin 5: Ground (GND) |___________| ```

Functional Features

• Monitors the supply voltage and generates a reset signal when it falls below the adjustable threshold.
• Adjustable reset threshold allows customization based on specific application requirements.
• Low quiescent current ensures minimal power consumption.
• Small package size (SOT23-5) makes it suitable for space-constrained designs.

Advantages and Disadvantages

Advantages

• Precise voltage monitoring ensures reliable operation of electronic devices.
• Adjustable reset threshold provides flexibility in different applications.
• Low-power consumption extends battery life.
• Small package size allows for compact designs.

Disadvantages

• Limited to a maximum supply voltage of 5.5V.
• Not suitable for high-voltage applications.

Working Principles

The MAX6388XS21D4-T operates by continuously monitoring the supply voltage connected to the VCC pin. When the voltage falls below the adjustable threshold set by the TH pin, the circuit generates a reset signal on the RST pin. This reset signal can be used to initiate a system reset or perform other necessary actions to ensure proper device operation.

Detailed Application Field Plans

The MAX6388XS21D4-T is widely used in various electronic devices that require voltage monitoring and reset functionality. Some common application fields include:

1. Microcontrollers: The IC can be used to monitor the power supply voltage of microcontrollers and initiate a reset when necessary, ensuring reliable operation.
2. Battery-Powered Devices: It is suitable for battery-powered devices where efficient power management and low-power consumption are crucial.
3. Industrial Control Systems: The IC can be integrated into industrial control systems to monitor critical power supply voltages and provide reliable reset signals in case of voltage fluctuations.
4. Automotive Electronics: It finds applications in automotive electronics to monitor the vehicle's power supply and trigger resets if the voltage drops below a certain level.

Detailed and Complete Alternative Models

1. MAX6389XS21D4-T: Similar to MAX6388XS21D4-T but with a different adjustable reset threshold range.
2. MAX6387XS21D4-T: Voltage monitor and reset circuit with a lower quiescent current but without adjustable reset threshold capability.
3. MAX6386XS21D4-T: Voltage monitor and reset circuit with a wider supply voltage range but larger package size.

These alternative models offer different features and specifications to cater to specific application requirements.

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