MAX1921EUT18+T

Product Category

The MAX1921EUT18+T belongs to the category of voltage regulators.

Basic Information Overview

• Use: The MAX1921EUT18+T is used as a voltage regulator to provide a stable output voltage for various electronic devices and circuits.
• Characteristics: It features high efficiency, low dropout voltage, and thermal shutdown protection.
• Package: The MAX1921EUT18+T comes in a small SOT23 package.
• Essence: Its essence lies in providing a reliable and stable voltage supply for electronic applications.
• Packaging/Quantity: It is typically available in reels with a quantity of 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage: 1.8V
• Maximum Output Current: 150mA
• Dropout Voltage: 160mV at 100mA
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX1921EUT18+T has the following pin configuration: 1. VIN (Input Voltage) 2. GND (Ground) 3. FB (Feedback) 4. EN (Enable) 5. VOUT (Output Voltage)

Functional Features

• High Efficiency: The MAX1921EUT18+T offers high efficiency, making it suitable for battery-powered applications.
• Low Dropout Voltage: It has a low dropout voltage, ensuring efficient operation even when the input voltage is close to the output voltage.
• Thermal Shutdown Protection: The device includes thermal shutdown protection, safeguarding it from overheating.

Advantages and Disadvantages

Advantages

• High efficiency
• Low dropout voltage
• Thermal shutdown protection
• Small package size

Disadvantages

• Limited maximum output current

Working Principles

The MAX1921EUT18+T operates by regulating the input voltage to a stable 1.8V output using internal circuitry and feedback control. When the input voltage fluctuates, the device adjusts its internal components to maintain a constant output voltage.

Detailed Application Field Plans

The MAX1921EUT18+T is commonly used in portable electronic devices such as smartphones, tablets, and portable media players. It is also suitable for battery-powered applications where a stable voltage supply is essential for proper operation.

Detailed and Complete Alternative Models

Some alternative models to the MAX1921EUT18+T include the MAX1921EUT25+T, MAX1921EUT33+T, and MAX1921EUT50+T. These models offer different output voltages while sharing similar characteristics and package sizes.

In conclusion, the MAX1921EUT18+T is a versatile voltage regulator with high efficiency, low dropout voltage, and thermal shutdown protection, making it suitable for a wide range of electronic applications.

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