MAX1674EUA-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: Step-Up DC-DC Converter
• Package: 8-pin µMAX®
• Essence: Efficient and compact power management solution
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: Adjustable from 1.25V to 28V
• Switching Frequency: 500kHz
• Maximum Output Current: 500mA
• Efficiency: Up to 90%
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX1674EUA-T has the following pin configuration:

1. GND: Ground
2. LX: Switch Node
3. FB: Feedback Input
4. EN: Enable Input
5. VCC: Supply Voltage Input
6. SHDN: Shutdown Input
7. COMP: Compensation
8. VOUT: Output Voltage

Functional Features

• High efficiency step-up DC-DC converter
• Adjustable output voltage for versatile applications
• Low quiescent current for improved power efficiency
• Overcurrent and thermal protection for enhanced safety
• Soft-start feature to reduce inrush current

Advantages

• Compact package size allows for space-saving designs
• Wide input voltage range enables compatibility with various power sources
• High efficiency results in reduced power consumption and longer battery life
• Overcurrent and thermal protection ensure safe operation
• Soft-start feature prevents excessive current during startup

Disadvantages

• Limited maximum output current of 500mA may not be suitable for high-power applications
• Fixed switching frequency may not be optimal for all designs

Working Principles

The MAX1674EUA-T is a step-up DC-DC converter that converts a lower input voltage to a higher output voltage. It utilizes a switching regulator topology to efficiently boost the input voltage. The integrated circuit controls the switching of an internal power MOSFET to regulate the output voltage. The feedback input (FB) pin monitors the output voltage and adjusts the duty cycle of the switching signal to maintain the desired output voltage.

Detailed Application Field Plans

The MAX1674EUA-T is commonly used in various applications, including:

1. Battery-powered devices: Provides efficient power conversion for portable electronics such as smartphones, tablets, and wearable devices.
2. Industrial equipment: Enables voltage boosting for sensors, actuators, and control systems in industrial automation.
3. Automotive electronics: Supports power management in automotive applications like infotainment systems, lighting, and navigation devices.
4. IoT devices: Facilitates power supply requirements for Internet of Things (IoT) devices, including smart home appliances and wireless sensors.

Detailed and Complete Alternative Models

1. MAX1675EUA-T: Similar specifications and features, but with a higher maximum output current of 1A.
2. MAX1676EUA-T: Step-up DC-DC converter with adjustable output voltage and higher efficiency.
3. MAX1677EUA-T: Integrated circuit with a fixed output voltage of 5V and higher input voltage range.

These alternative models offer different options based on specific application requirements.

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