MAX1679EUA

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: Low-Power, Step-Up DC-DC Converter
• Package: 8-pin µMAX®
• Essence: Efficient voltage boost for low-power applications
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 0.7V to 5.5V
• Output Voltage Range: 1.8V to 5.5V
• Switching Frequency: 1MHz
• Quiescent Current: 3µA (typical)
• Efficiency: Up to 90%
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX1679EUA has the following pin configuration:

```

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| | --| VOUT | --| VIN | --| GND | --| FB | --| EN | --| SW | --| PG | |___________| ```

Functional Features

• Low-power step-up DC-DC converter
• Provides efficient voltage boost for low-power applications
• Wide input voltage range allows for versatile use
• High switching frequency enables compact design
• Low quiescent current ensures minimal power consumption in standby mode
• Built-in overcurrent and thermal protection for enhanced safety

Advantages and Disadvantages

Advantages: - Efficient voltage boost for low-power applications - Wide input voltage range - Compact design due to high switching frequency - Low quiescent current for minimal power consumption - Overcurrent and thermal protection for enhanced safety

Disadvantages: - Limited output voltage range (1.8V to 5.5V) - Not suitable for high-power applications

Working Principles

The MAX1679EUA is a step-up DC-DC converter that efficiently boosts the input voltage to a higher output voltage. It utilizes a high-frequency switching regulator to convert the input voltage into a series of pulses. These pulses are then filtered and regulated to provide a stable output voltage. The converter operates in continuous mode, ensuring a smooth and consistent power supply.

Detailed Application Field Plans

The MAX1679EUA is commonly used in various low-power applications, including but not limited to:

1. Battery-powered devices: Provides efficient voltage boost for portable electronics such as smartphones, tablets, and wearables.
2. IoT devices: Enables reliable power supply for Internet of Things (IoT) devices with low power requirements.
3. Sensor networks: Supports sensor nodes in wireless sensor networks, ensuring stable operation and extended battery life.
4. Energy harvesting systems: Facilitates energy conversion and storage in systems that harvest energy from renewable sources.

Detailed and Complete Alternative Models

1. MAX1726: Step-Up DC-DC Converter with Adjustable Output Voltage Range (0.7V to 5.5V)
2. MAX1771: High-Efficiency Step-Up DC-DC Converter with Integrated Power Switch
3. MAX619: Low-Power Step-Up DC-DC Converter with Shutdown Mode

These alternative models offer similar functionality and can be considered as alternatives to the MAX1679EUA based on specific application requirements.

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