MAX8661ETL+ - English Editing Encyclopedia Entry

Product Overview

Category

The MAX8661ETL+ belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is primarily used for power supply and voltage regulation in various electronic devices and systems.

Characteristics

• High efficiency: The MAX8661ETL+ offers high conversion efficiency, ensuring optimal power utilization.
• Wide input voltage range: It can handle a wide range of input voltages, making it suitable for diverse applications.
• Low quiescent current: The IC has low power consumption during standby or idle mode, enhancing energy efficiency.
• Overvoltage and overcurrent protection: It incorporates built-in protection mechanisms to safeguard against voltage spikes and excessive current flow.
• Thermal shutdown: The MAX8661ETL+ includes a thermal shutdown feature that prevents overheating and potential damage.

Package and Quantity

The MAX8661ETL+ is available in a small form factor package, typically a thin QFN (Quad Flat No-leads) package. It is supplied in reels or trays, with a standard quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: Adjustable from 0.8V to 3.3V
• Maximum Output Current: 1.5A
• Switching Frequency: 1.2MHz
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX8661ETL+ features a compact pin configuration, as follows:

1. VIN: Input voltage pin
2. GND: Ground reference pin
3. EN: Enable pin for turning the IC on/off
4. FB: Feedback pin for output voltage regulation
5. SW: Switching node pin for power transfer
6. PGND: Power ground pin
7. LX: Inductor connection pin

Functional Features

1. Voltage Regulation: The MAX8661ETL+ provides stable and regulated output voltage, ensuring reliable operation of connected devices.
2. Efficiency Optimization: With its high conversion efficiency, the IC minimizes power losses and maximizes energy utilization.
3. Protection Mechanisms: It incorporates overvoltage, overcurrent, and thermal shutdown protection to safeguard both the IC and the connected system.
4. Wide Input Voltage Range: The IC can handle a wide range of input voltages, making it versatile for various applications.
5. Compact Package: The small form factor package allows for space-efficient integration into electronic devices.

Advantages and Disadvantages

Advantages

• High conversion efficiency leads to optimal power utilization.
• Wide input voltage range enhances versatility.
• Built-in protection mechanisms ensure system safety.
• Compact package enables space-efficient integration.

Disadvantages

• Limited maximum output current (1.5A) may not be suitable for high-power applications.
• Requires external components (inductor, capacitors) for proper operation.

Working Principles

The MAX8661ETL+ operates as a step-down (buck) switching regulator. It utilizes pulse-width modulation (PWM) techniques to regulate the output voltage. The input voltage is stepped down to the desired output voltage by controlling the duty cycle of the internal switch. This regulated output voltage is then supplied to the load or connected devices.

Detailed Application Field Plans

The MAX8661ETL+ finds application in various fields, including but not limited to: - Portable electronic devices (e.g., smartphones, tablets) - Battery-powered systems - Industrial automation equipment - Automotive electronics - IoT (Internet of Things) devices

Alternative Models

For similar power management requirements, alternative models to the MAX8661ETL+ include: - MAX17681 - LTC3633 - TPS54332

These alternatives offer comparable features and specifications, providing flexibility in choosing the most suitable IC for specific applications.

In conclusion, the MAX8661ETL+ is a highly efficient power management IC designed for voltage regulation in diverse electronic devices. Its wide input voltage range, compact package, and built-in protection mechanisms make it an ideal choice for various applications.