MAX8667ETEAC+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: The MAX8667ETEAC+ is a voltage regulator IC that provides a stable power supply for electronic devices.

Characteristics: - High efficiency - Low dropout voltage - Wide input voltage range - Adjustable output voltage - Overcurrent and thermal protection

Package: The MAX8667ETEAC+ is available in a small 16-pin TQFN package.

Essence: This IC is designed to regulate the voltage supplied to electronic devices, ensuring stable and reliable operation.

Packaging/Quantity: The MAX8667ETEAC+ is typically sold in reels of 250 units.

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage Range: 0.6V to VIN
• Maximum Output Current: 1A
• Dropout Voltage: 120mV at 500mA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX8667ETEAC+ has the following pin configuration:

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| | --| VOUT | --| FB | --| EN | --| GND | --| SW | --| LX | --| PG | --| SS/TR | --| UVLO | --| OVLO | --| OCP | --| TSD | --| VIN | --| AGND | --| PGND | |___________| ```

Functional Features

1. High Efficiency: The MAX8667ETEAC+ utilizes advanced circuitry to achieve high efficiency, minimizing power loss during voltage regulation.
2. Low Dropout Voltage: With a low dropout voltage of only 120mV at 500mA, this IC can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
3. Wide Input Voltage Range: The IC can accept input voltages ranging from 2.5V to 5.5V, making it suitable for various applications.
4. Adjustable Output Voltage: The output voltage can be adjusted within a range of 0.6V to VIN, allowing flexibility in meeting different device requirements.
5. Overcurrent and Thermal Protection: The MAX8667ETEAC+ incorporates protection mechanisms to prevent damage from overcurrent conditions and excessive temperature.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption. - Wide input voltage range allows compatibility with different power sources. - Adjustable output voltage provides versatility for various devices. - Overcurrent and thermal protection ensure safe operation.

Disadvantages: - Limited maximum output current of 1A may not be sufficient for high-power applications. - Dropout voltage of 120mV may affect performance in low-voltage scenarios.

Working Principles

The MAX8667ETEAC+ operates as a linear voltage regulator. It takes an input voltage from the VIN pin and regulates it to a stable output voltage at the VOUT pin. The feedback (FB) pin is used to set the desired output voltage, which can be adjusted using external resistors. The EN pin enables or disables the regulator.

The IC utilizes internal circuitry to monitor the input and output voltages, as well as the load current. If any of these parameters exceed their specified limits, the overcurrent protection (OCP) and undervoltage lockout (UVLO) features come into play, ensuring the safety of the connected devices.

Detailed Application Field Plans

The MAX8667ETEAC+ is suitable for a wide range of applications, including but not limited to: - Battery-powered devices - Portable electronic devices - IoT (Internet of Things) devices - Wearable devices - Embedded systems

Detailed and Complete Alternative Models

1. MAX8668ETEAC+: Similar to the MAX8667ETEAC+, but with a higher maximum output current of 2A.
2. MAX8669ETEAC+: A variant with an adjustable output voltage and a higher maximum output current of 3A.
3. MAX8670ETEAC+: Offers multiple fixed output voltage options and a maximum output current of 1.5A.

These alternative models provide options with varying specifications to cater to different application requirements.

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