MAX8640YEXT13+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High-efficiency, low-power, step-up DC-DC converter
• Package: 6-pin SOT23 package
• Essence: Voltage regulator and power management solution
• Packaging/Quantity: Tape and reel packaging, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage Range: 3.3V
• Maximum Output Current: 100mA
• Efficiency: Up to 90%
• Switching Frequency: 1.2MHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX8640YEXT13+T has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. LX: Inductor connection pin
4. FB: Feedback pin
5. EN: Enable pin
6. VOUT: Output voltage pin

Functional Features

• High efficiency: The MAX8640YEXT13+T offers up to 90% efficiency, ensuring minimal power loss during operation.
• Low-power operation: With a maximum output current of 100mA, this IC is designed for low-power applications, reducing energy consumption.
• Step-up DC-DC converter: The device efficiently steps up the input voltage to a fixed 3.3V output voltage, suitable for various electronic components.
• Enable pin control: The EN pin allows for easy on/off control of the device, conserving power when not in use.

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power consumption. - Small form factor and low-profile package make it suitable for space-constrained applications. - Wide input voltage range allows for flexibility in power supply design.

Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - Lack of adjustable output voltage limits its versatility in certain scenarios.

Working Principles

The MAX8640YEXT13+T is a step-up DC-DC converter that utilizes a high-frequency switching regulator to efficiently boost the input voltage to a fixed 3.3V output voltage. The device employs a pulse-width modulation (PWM) control scheme to regulate the output voltage and maintain stability. By adjusting the duty cycle of the switching signal, the IC controls the energy transfer from the input to the output, ensuring efficient power conversion.

Detailed Application Field Plans

The MAX8640YEXT13+T is commonly used in various low-power applications, including but not limited to:

1. Battery-powered devices: The IC's low-power operation and high efficiency make it ideal for portable electronics such as smartphones, tablets, and wearables.
2. IoT devices: With its small form factor and wide input voltage range, the MAX8640YEXT13+T is suitable for powering IoT sensors, smart home devices, and other connected devices.
3. Industrial applications: The device can be utilized in industrial automation systems, sensor networks, and other low-power industrial equipment.

Detailed and Complete Alternative Models

1. MAX8641YEXT13+T: Similar to the MAX8640YEXT13+T, this model offers an adjustable output voltage, providing more flexibility in power supply design.
2. MAX8642YEXT13+T: This alternative model features a higher maximum output current of 200mA, making it suitable for slightly higher power applications.
3. MAX8643YEXT13+T: Designed for ultra-low-power applications, this model offers improved efficiency and reduced quiescent current compared to the MAX8640YEXT13+T.

(Note: These alternative models are from the same MAX8640 series and share similar characteristics, but with slight variations to cater to different application requirements.)

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