MAX1928EUB15+ - English Editing Encyclopedia Entry

Product Overview

Category

The MAX1928EUB15+ belongs to the category of integrated circuits (ICs) and specifically falls under the voltage regulators category.

Use

This product is primarily used for voltage regulation in electronic devices. It provides a stable output voltage, ensuring proper functioning of various components within the device.

Characteristics

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage: 1.5V
• Maximum Output Current: 150mA
• Low Dropout Voltage: 120mV at 100mA
• Low Quiescent Current: 40µA
• High PSRR (Power Supply Rejection Ratio): 70dB at 1kHz
• Thermal Shutdown Protection

Package

The MAX1928EUB15+ is available in a small SOT23-5 package. This package offers compactness and ease of integration into electronic circuits.

Essence

The essence of the MAX1928EUB15+ lies in its ability to regulate voltage efficiently, providing a stable output voltage despite fluctuations in the input voltage.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage: 1.5V
• Output Current: Up to 150mA
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 40µA
• Power Supply Rejection Ratio (PSRR): 70dB at 1kHz
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOT23-5

Detailed Pin Configuration

The MAX1928EUB15+ has a total of five pins, each serving a specific purpose:

1. VIN: Input voltage pin
2. GND: Ground pin
3. FB: Feedback pin for setting the output voltage
4. EN: Enable pin for turning the regulator on/off
5. VOUT: Output voltage pin

Functional Features

• Voltage Regulation: The MAX1928EUB15+ ensures a stable output voltage of 1.5V, regardless of variations in the input voltage.
• Low Dropout Voltage: With a dropout voltage as low as 120mV at 100mA, this regulator minimizes power loss and maximizes efficiency.
• Low Quiescent Current: The quiescent current of only 40µA helps conserve power and extend battery life in portable devices.
• Thermal Shutdown Protection: The device incorporates thermal shutdown protection to prevent damage due to excessive heat.

Advantages and Disadvantages

Advantages

• Efficient voltage regulation
• Low dropout voltage
• Low quiescent current
• Thermal shutdown protection

Disadvantages

• Limited maximum output current (150mA)

Working Principles

The MAX1928EUB15+ utilizes a combination of internal circuitry, feedback mechanisms, and control algorithms to regulate the output voltage. It compares the actual output voltage with a reference voltage and adjusts the internal circuitry accordingly to maintain a constant output voltage of 1.5V.

Detailed Application Field Plans

The MAX1928EUB15+ finds applications in various electronic devices that require stable voltage regulation. Some potential application fields include: - Mobile phones - Portable media players - Digital cameras - Wireless communication devices - Battery-powered devices

Detailed and Complete Alternative Models

1. MAX1928EUB18+: Similar to MAX1928EUB15+, but with an output voltage of 1.8V.
2. MAX1928EUB25+: Similar to MAX1928EUB15+, but with an output voltage of 2.5V.
3. MAX1928EUB33+: Similar to MAX1928EUB15+, but with an output voltage of 3.3V.

These alternative models provide flexibility in choosing the desired output voltage for specific applications.

In conclusion, the MAX1928EUB15+ is a voltage regulator IC that offers efficient voltage regulation, low dropout voltage, and low quiescent current. It finds applications in various electronic devices and is available in a compact SOT23-5 package. While it has a limited maximum output current, it provides reliable voltage regulation for a wide range of applications.