MAX8668ETEX+T

Product Overview

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

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.6V to 3.3V
• Maximum Output Current: 1A
• Quiescent Current: 17µA
• Switching Frequency: 1.2MHz
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX8668ETEX+T has the following pin configuration:

1. VIN: Input Voltage
2. GND: Ground
3. EN: Enable Pin
4. FB: Feedback Pin
5. SW: Switching Node
6. PGND: Power Ground
7. LX: Inductor Connection
8. VOUT: Output Voltage

Functional Features

• High Efficiency: The MAX8668ETEX+T offers high efficiency power conversion, minimizing energy loss.
• Low Power Consumption: With a quiescent current of only 17µA, it ensures minimal power consumption during standby or low-load conditions.
• Wide Input Voltage Range: It can accept input voltages ranging from 2.7V to 5.5V, making it suitable for various applications.
• Adjustable Output Voltage: The output voltage can be adjusted from 0.6V to 3.3V, providing flexibility for different system requirements.
• Overcurrent and Thermal Protection: The IC incorporates overcurrent and thermal protection features, ensuring safe operation under abnormal conditions.

Advantages and Disadvantages

Advantages: - High efficiency power conversion - Low power consumption during standby - Wide input voltage range - Adjustable output voltage - Overcurrent and thermal protection

Disadvantages: - Limited maximum output current (1A)

Working Principles

The MAX8668ETEX+T is a voltage regulator IC that converts the input voltage to a regulated output voltage. It utilizes a switching regulator topology to achieve high efficiency power conversion. The input voltage is stepped down and regulated to the desired output voltage using an inductor, capacitor, and feedback control circuitry.

The IC operates at a fixed switching frequency of 1.2MHz, which allows for smaller external components and reduces the overall size of the power supply solution. It also features pulse skipping mode operation to further improve efficiency under light load conditions.

Detailed Application Field Plans

The MAX8668ETEX+T is widely used in various applications requiring efficient power management. Some of the common application fields include:

1. Portable Electronic Devices: It can be used in smartphones, tablets, portable media players, and other battery-powered devices to regulate the voltage for different components.
2. IoT Devices: The IC is suitable for Internet of Things (IoT) devices such as smart home sensors, wearables, and connected appliances, where low power consumption is crucial.
3. Industrial Equipment: It finds applications in industrial equipment, automation systems, and control units, providing stable and efficient power supply.
4. Automotive Electronics: The IC can be utilized in automotive electronics, including infotainment systems, navigation devices, and advanced driver assistance systems (ADAS).

Detailed and Complete Alternative Models

1. MAX8667ETEX+T: Similar to MAX8668ETEX+T, but with a lower maximum output current of 500mA.
2. MAX8669ETEX+T: Similar to MAX8668ETEX+T, but with a higher maximum output current of 1.5A.
3. MAX8670ETEX+T: A related IC with integrated USB power switch functionality, suitable for applications requiring USB charging capabilities.

These alternative models offer similar features and characteristics, providing options based on specific requirements and load demands.

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