MAX1928EUB18+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, High Efficiency
• Package: µMAX®
• Essence: Regulates voltage with minimal power loss
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage: 1.8V
• Dropout Voltage: 120mV at 100mA
• Maximum Output Current: 150mA
• Quiescent Current: 40µA
• Line Regulation: ±0.05%/V
• Load Regulation: ±0.05%/mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX1928EUB18+T has the following pin configuration:

1. GND: Ground
2. IN: Input Voltage
3. EN: Enable Pin
4. BYP: Bypass Capacitor
5. FB: Feedback Pin
6. OUT: Output Voltage

Functional Features

• Low dropout voltage ensures efficient regulation even with low input voltages.
• High output current capability allows for powering a wide range of devices.
• Excellent line and load regulation provide stable output voltage under varying conditions.
• Enable pin allows for easy on/off control of the regulator.
• Bypass capacitor pin improves stability and reduces noise.

Advantages and Disadvantages

Advantages: - Low dropout voltage results in high efficiency. - Wide input voltage range allows for versatile applications. - Small package size enables space-saving designs. - Excellent line and load regulation ensure stable output voltage.

Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - Requires an external bypass capacitor for optimal performance.

Working Principles

The MAX1928EUB18+T is a voltage regulator that operates by maintaining a constant output voltage despite variations in the input voltage and load conditions. It achieves this through a combination of feedback control and internal circuitry.

When the input voltage is applied, the regulator compares it to a reference voltage and adjusts its internal circuitry to maintain the desired output voltage. The feedback pin plays a crucial role in this process by providing information about the output voltage to the regulator.

By continuously monitoring the output voltage and making necessary adjustments, the MAX1928EUB18+T ensures a stable and regulated output voltage for the connected load.

Detailed Application Field Plans

The MAX1928EUB18+T finds applications in various fields, including:

1. Portable Electronics: It can be used to regulate voltage for battery-powered devices such as smartphones, tablets, and portable media players.
2. IoT Devices: The regulator is suitable for powering low-power Internet of Things (IoT) devices, ensuring stable operation even with varying input voltages.
3. Automotive Electronics: It can be employed in automotive applications where a stable voltage supply is required for sensors, actuators, and other electronic components.
4. Industrial Control Systems: The regulator can be utilized in industrial control systems to provide regulated power for microcontrollers, sensors, and other critical components.

Detailed and Complete Alternative Models

1. MAX1928EUB25+T: Similar to MAX1928EUB18+T but with an output voltage of 2.5V.
2. MAX1928EUB33+T: Similar to MAX1928EUB18+T but with an output voltage of 3.3V.
3. MAX1928EUB50+T: Similar to MAX1928EUB18+T but with an output voltage of 5.0V.
4. MAX1928EUB12+T: Similar to MAX1928EUB18+T but with an output voltage of 1.2V.

These alternative models provide different output voltages to cater to specific application requirements while maintaining similar characteristics and features as the MAX1928EUB18+T.

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