MAX6391KA17+ - English Editing Encyclopedia Entry

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: High efficiency, low dropout voltage, adjustable output voltage, current limiting, thermal shutdown protection
• Package: TO-220
• Essence: MAX6391KA17+ is a voltage regulator IC designed to provide a stable and regulated output voltage for various electronic devices.
• Packaging/Quantity: Available in tape and reel packaging with 250 units per reel.

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.25V to 15V
• Output Current: Up to 1A
• Dropout Voltage: 200mV at 500mA
• Quiescent Current: 120µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MAX6391KA17+ has the following pin configuration:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | IN | Input voltage pin | | 2 | GND | Ground pin | | 3 | OUT | Output voltage pin |

Functional Features

• Adjustable Output Voltage: The MAX6391KA17+ allows users to set the desired output voltage within the specified range.
• Current Limiting: It incorporates a current limit circuitry to protect the device from excessive current.
• Thermal Shutdown Protection: The IC includes a thermal shutdown feature that prevents overheating by shutting down the regulator when the temperature exceeds a certain threshold.

Advantages and Disadvantages

Advantages: - High efficiency design ensures minimal power loss. - Low dropout voltage enables operation even with low input voltages. - Adjustable output voltage provides flexibility for various applications.

Disadvantages: - Limited output current capacity of up to 1A may not be suitable for high-power applications. - The TO-220 package may require additional heat sinking for efficient thermal management in certain scenarios.

Working Principles

The MAX6391KA17+ operates as a linear voltage regulator. It regulates the output voltage by comparing the reference voltage with the feedback voltage obtained from a resistive voltage divider connected to the output pin. The internal circuitry adjusts the pass transistor to maintain a stable output voltage, compensating for changes in input voltage and load conditions.

Detailed Application Field Plans

The MAX6391KA17+ is commonly used in various electronic devices that require a stable and regulated power supply. Some typical application fields include: - Battery-powered devices - Portable audio players - Embedded systems - Industrial control systems

Detailed and Complete Alternative Models

• LM317: A popular adjustable voltage regulator IC with similar features and specifications.
• LT1084: A high-current, low dropout voltage regulator suitable for demanding applications.
• LM1117: A fixed-output voltage regulator available in various voltage options.

In conclusion, the MAX6391KA17+ is a versatile voltage regulator IC that offers adjustable output voltage, high efficiency, and thermal protection. Its compact TO-220 package makes it suitable for a wide range of applications in different industries.