MAX6821SUK+T

Product Overview

• Category: Integrated Circuit
• Use: Voltage Regulator
• Characteristics: Low Dropout, Low Quiescent Current
• Package: SOT23-5
• Essence: Power Management IC
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 40µA (typical)
• Load Regulation: ±0.05% (typical)
• Line Regulation: ±0.02% (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX6821SUK+T has a total of five pins:

1. GND: Ground pin
2. IN: Input voltage pin
3. EN: Enable pin
4. FB: Feedback pin
5. OUT: Output voltage pin

Functional Features

• Low dropout voltage allows for efficient power conversion.
• Low quiescent current ensures minimal power consumption during standby or idle mode.
• Built-in thermal shutdown protection prevents overheating.
• Short-circuit and reverse polarity protection enhance reliability.
• Adjustable output voltage provides flexibility in various applications.

Advantages and Disadvantages

Advantages: - Low dropout voltage enables efficient power conversion. - Low quiescent current minimizes power consumption. - Thermal shutdown and protection features enhance reliability.

Disadvantages: - Limited input voltage range (2.5V to 6.5V). - Relatively small package size may limit heat dissipation.

Working Principles

The MAX6821SUK+T is a voltage regulator that regulates the output voltage based on the input voltage and feedback mechanism. It operates by comparing the feedback voltage with a reference voltage and adjusting the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The MAX6821SUK+T is commonly used in various applications, including: - Battery-powered devices - Portable electronics - IoT devices - Automotive systems - Industrial equipment

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MAX6821SUK+T include: - LM1117-3.3: Low dropout voltage regulator with fixed 3.3V output. - LT1763: Low dropout linear regulator with adjustable output voltage. - TPS79633: Ultra-low noise, high PSRR voltage regulator with fixed 3.3V output.

Note: The above alternatives are provided for reference purposes and may have different specifications and pin configurations. It is recommended to consult the respective datasheets for detailed information.

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