MAX8647ETE+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Quiescent Current
• Package: 16-TQFN (4mm x 4mm)
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel (3000 pieces per reel)

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage Range: 0.6V to 3.3V
• Maximum Output Current: 600mA
• Quiescent Current: 17µA (typical)
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX8647ETE+T has a 16-pin TQFN package with the following pin configuration:

1. VIN: Input Voltage
2. GND: Ground
3. EN: Enable Pin
4. FB: Feedback Pin
5. SS/TRK: Soft-Start/Tracking Pin
6. VOUT: Output Voltage
7. PGND: Power Ground
8. SW: Switch Node
9. SW: Switch Node
10. SW: Switch Node
11. SW: Switch Node
12. SW: Switch Node
13. SW: Switch Node
14. SW: Switch Node
15. SW: Switch Node
16. SW: Switch Node

Functional Features

• High efficiency voltage regulator for portable devices
• Low quiescent current extends battery life
• Wide input voltage range allows flexibility in power sources
• Adjustable output voltage for various applications
• Soft-start feature prevents inrush current during startup
• Thermal shutdown and overcurrent protection for enhanced safety

Advantages and Disadvantages

Advantages: - High efficiency results in longer battery life - Low quiescent current reduces power consumption - Wide input voltage range provides flexibility - Adjustable output voltage suits different applications - Integrated protection features enhance safety

Disadvantages: - Limited maximum output current (600mA) - Temperature range may not be suitable for extreme environments

Working Principles

The MAX8647ETE+T is a voltage regulator IC that converts an input voltage within the range of 2.5V to 5.5V into a regulated output voltage between 0.6V and 3.3V. It achieves high efficiency by utilizing a synchronous buck converter topology. The device operates in pulse-width modulation (PWM) mode, adjusting the duty cycle of the switching transistor to regulate the output voltage.

The regulator includes a feedback loop that compares the output voltage with a reference voltage and adjusts the duty cycle accordingly. The soft-start feature gradually ramps up the output voltage to prevent excessive inrush current during startup. Thermal shutdown and overcurrent protection mechanisms ensure safe operation under abnormal conditions.

Detailed Application Field Plans

The MAX8647ETE+T is commonly used in various portable electronic devices, including:

1. Smartphones and tablets
2. Portable media players
3. Digital cameras
4. Handheld gaming consoles
5. Wearable devices

Due to its high efficiency and low quiescent current, the MAX8647ETE+T is particularly suitable for battery-powered applications where power efficiency and extended battery life are crucial.

Detailed and Complete Alternative Models

1. MAX8648ETE+T: Similar specifications and pin configuration, but with a higher maximum output current of 800mA.
2. MAX8649ETE+T: Similar specifications and pin configuration, but with a lower maximum output current of 400mA.
3. MAX8650ETE+T: Similar specifications and pin configuration, but with a wider input voltage range of 2.7V to 5.5V.

These alternative models provide options for different output current requirements and input voltage ranges while maintaining similar functionality to the MAX8647ETE+T.

In conclusion, the MAX8647ETE+T is a high-efficiency voltage regulator IC designed for power management in portable electronic devices. Its adjustable output voltage, low quiescent current, and integrated protection features make it an ideal choice for applications that require efficient power conversion and extended battery life.