MAX1806EUA15+ - English Editing Encyclopedia Entry

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, SOT23-8 Package, 1.5V Output Voltage, High Efficiency
• Package: SOT23-8
• Essence: The MAX1806EUA15+ is a voltage regulator IC designed to provide a stable output voltage of 1.5V with low dropout and high efficiency.
• Packaging/Quantity: The MAX1806EUA15+ is available in a SOT23-8 package and is typically sold in reels of 3000 units.

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage: 1.5V
• Output Current: Up to 150mA
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX1806EUA15+ has the following pin configuration:

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| | --| VIN GND |-- Pin 1: Ground --| EN FB |-- Pin 2: Feedback Input --| VOUT SW |-- Pin 3: Switching Output --| PG NC |-- Pin 4: Power Good Indicator |___________| ```

Functional Features

• Low Dropout: The MAX1806EUA15+ can regulate the output voltage with a dropout voltage as low as 120mV, ensuring efficient power conversion even when the input voltage is close to the desired output voltage.
• High Efficiency: With its integrated power MOSFET and low quiescent current, the MAX1806EUA15+ achieves high efficiency, minimizing power dissipation and maximizing battery life.
• Power Good Indicator: The PG pin provides a signal indicating when the output voltage is within regulation limits, allowing for easy monitoring of the system's power status.

Advantages and Disadvantages

Advantages: - Low dropout voltage - High efficiency - Power good indicator for system monitoring

Disadvantages: - Limited output current (up to 150mA)

Working Principles

The MAX1806EUA15+ utilizes a step-down switching regulator topology to regulate the input voltage to a stable 1.5V output. It employs a feedback mechanism to continuously adjust the duty cycle of the internal power MOSFET, ensuring the output voltage remains constant even with varying input conditions. The integrated power MOSFET minimizes power losses, resulting in high efficiency operation.

Detailed Application Field Plans

The MAX1806EUA15+ is commonly used in applications where a stable 1.5V voltage supply is required. Some typical application fields include:

1. Battery-Powered Devices: The low dropout voltage and high efficiency make the MAX1806EUA15+ suitable for portable devices powered by batteries, such as smartphones, tablets, and wearable devices.
2. IoT Devices: Internet of Things (IoT) devices often require a low voltage supply for their microcontrollers and sensors. The MAX1806EUA15+ can provide a stable 1.5V output for these applications.
3. Embedded Systems: Many embedded systems rely on regulated voltages for their components. The MAX1806EUA15+ can be used to generate a stable 1.5V supply for microcontrollers, memory modules, and other integrated circuits.

Detailed and Complete Alternative Models

1. MAX1806EUA18+: Similar to the MAX1806EUA15+, but provides a 1.8V output voltage.
2. MAX1806EUA25+: Similar to the MAX1806EUA15+, but provides a 2.5V output voltage.
3. MAX1806EUA33+: Similar to the MAX1806EUA15+, but provides a 3.3V output voltage.

These alternative models offer different output voltage options while maintaining similar characteristics and functionality to the MAX1806EUA15+.

In conclusion, the MAX1806EUA15+ is a voltage regulator IC that provides a stable 1.5V output with low dropout and high efficiency. Its compact SOT23-8 package and integrated power MOSFET make it suitable for various applications in battery-powered devices, IoT devices, and embedded systems. Alternative models with different output voltages are also available to cater to specific voltage requirements.