MAX8668ETEU+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Quiescent Current
• Package: 16-TQFN-EP (4mm x 4mm)
• Essence: Voltage Regulator
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.6V to 3.3V
• Maximum Output Current: 600mA
• Quiescent Current: 17µA (typical)
• Switching Frequency: 1.2MHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX8668ETEU+T has a total of 16 pins arranged as follows:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. FB: Feedback pin
5. SS/TR: Soft-start/Tracking pin
6. PG: Power Good pin
7. SW: Switch pin
8. LX: Inductor connection pin
9. AGND: Analog ground pin
10. VOUT: Output voltage pin
11. VCC: Supply voltage pin
12. BST: Boost capacitor connection pin
13. COMP: Compensation pin
14. SS/TR: Soft-start/Tracking pin
15. PG: Power Good pin
16. NC: No connection pin

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
• Overcurrent and overtemperature protection ensures device safety
• Soft-start and tracking functions for smooth power-up and shutdown

Advantages and Disadvantages

Advantages: - High efficiency operation - Low quiescent current - Wide input voltage range - Adjustable output voltage - Overcurrent and overtemperature protection - Soft-start and tracking functions

Disadvantages: - Limited maximum output current (600mA) - Relatively small package size may require careful handling during assembly

Working Principles

The MAX8668ETEU+T is a voltage regulator that converts an input voltage within the range of 2.7V to 5.5V into a regulated output voltage between 0.6V and 3.3V. It achieves high efficiency by utilizing a synchronous buck-boost topology. The device operates at a switching frequency of 1.2MHz, allowing for compact external components.

The regulator includes various protection features such as overcurrent and overtemperature protection, ensuring safe operation even under adverse conditions. The soft-start function provides a controlled startup sequence, while the tracking feature allows multiple regulators to start up simultaneously.

Detailed Application Field Plans

The MAX8668ETEU+T is commonly used in portable electronic devices such as smartphones, tablets, and wearable devices. Its ability to efficiently regulate voltage while consuming low quiescent current makes it ideal for battery-powered applications. The adjustable output voltage allows compatibility with different components within these devices.

Detailed and Complete Alternative Models

• MAX8669ETEU+T: Similar specifications, but with higher maximum output current (800mA)
• MAX8670ETEU+T: Similar specifications, but with lower quiescent current (12µA)
• MAX8671ETEU+T: Similar specifications, but with wider input voltage range (2.5V to 5.5V)

(Note: These alternative models are from the same product family and offer similar functionality with slight variations in specific parameters.)

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