MAX5021EUA+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: High efficiency, low dropout voltage, adjustable output voltage
• Package: 8-pin microMAX® package
• Essence: Linear regulator with internal current limit and thermal shutdown protection
• Packaging/Quantity: Tape and reel packaging, 2500 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage Range: 1.25V to 5.5V
• Dropout Voltage: 120mV at 500mA load current
• Quiescent Current: 40µA
• Line Regulation: ±0.02%/V
• Load Regulation: ±0.05%/mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX5021EUA+T has the following pin configuration:

1. GND: Ground connection
2. FB: Feedback pin for adjusting the output voltage
3. EN: Enable pin to turn the regulator on/off
4. NC: No connection
5. VOUT: Output voltage pin
6. NC: No connection
7. VIN: Input voltage pin
8. GND: Ground connection

Functional Features

• High efficiency: The MAX5021EUA+T offers high efficiency due to its low dropout voltage.
• Low dropout voltage: With a dropout voltage of only 120mV at 500mA load current, it minimizes power dissipation.
• Adjustable output voltage: The output voltage can be adjusted from 1.25V to 5.5V using the feedback pin.
• Internal current limit: The regulator has an internal current limit to protect against excessive current draw.
• Thermal shutdown protection: It incorporates thermal shutdown protection to prevent overheating.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power dissipation. - Adjustable output voltage allows for flexibility in various applications. - Internal current limit and thermal shutdown protection enhance reliability.

Disadvantages: - Limited input voltage range (2.5V to 6.5V). - Dropout voltage may not be suitable for applications with very low input voltages.

Working Principles

The MAX5021EUA+T is a linear regulator that regulates the output voltage by adjusting the resistance between the input and output pins. It uses a feedback mechanism to compare the actual output voltage with the desired voltage set by the user. The regulator adjusts its internal resistance to maintain the desired output voltage, compensating for changes in load and input voltage.

Detailed Application Field Plans

The MAX5021EUA+T can be used in various applications, including but not limited to: - Battery-powered devices - Portable electronics - Industrial control systems - Automotive electronics - Communication equipment

Detailed and Complete Alternative Models

• MAX5022EUA+T: Similar to MAX5021EUA+T, but with a different package (10-pin µMAX® package).
• MAX5023EUA+T: Higher input voltage range (2.5V to 16V) compared to MAX5021EUA+T.
• MAX5024EUA+T: Lower dropout voltage (80mV at 500mA load current) than MAX5021EUA+T.

These alternative models offer similar functionality with slight variations in specifications and packaging options.

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