MAX764CSA+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Converter
• Characteristics: High efficiency, low power consumption
• Package: Surface Mount Technology (SMT)
• Essence: Step-up DC-DC converter
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 1.5V to 5.5V
• Output Voltage Range: Up to 28V
• Maximum Output Current: 100mA
• Switching Frequency: 500kHz
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX764CSA+T has a total of 8 pins arranged as follows:

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| | --| Vout | --| Vin | --| GND | --| FB | --| SHDN | --| SW | --| NC | |___________| ```

Functional Features

1. High Efficiency: The MAX764CSA+T utilizes a high-efficiency step-up DC-DC converter design, ensuring minimal power loss during voltage conversion.
2. Low Power Consumption: With its low quiescent current, the MAX764CSA+T minimizes power consumption, making it suitable for battery-powered applications.
3. Wide Input Voltage Range: The IC can accept input voltages ranging from 1.5V to 5.5V, providing flexibility in various power supply scenarios.
4. Adjustable Output Voltage: The output voltage can be adjusted using an external resistor divider network connected to the FB pin.
5. Thermal Shutdown Protection: The MAX764CSA+T incorporates thermal shutdown protection, preventing damage due to excessive temperature.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power loss - Low power consumption extends battery life - Wide input voltage range allows for versatile applications - Adjustable output voltage provides flexibility - Thermal shutdown protection ensures device safety

Disadvantages: - Limited maximum output current (100mA) - Requires external resistor divider network for output voltage adjustment

Working Principles

The MAX764CSA+T is a step-up DC-DC converter that converts a low input voltage to a higher output voltage. It utilizes a switching regulator topology, where an inductor and a capacitor are used to store and transfer energy. The IC controls the switching of the inductor to regulate the output voltage.

When the input voltage is applied, the MAX764CSA+T starts switching the inductor on and off at a high frequency. During the "on" state, energy is stored in the inductor, and during the "off" state, the energy is transferred to the output capacitor, resulting in an increased output voltage.

The feedback (FB) pin monitors the output voltage and adjusts the duty cycle of the switching signal to maintain a stable output voltage. The SHDN pin can be used to enable or disable the device, providing additional control.

Detailed Application Field Plans

The MAX764CSA+T finds applications in various fields, including:

1. Portable Electronics: It can be used to boost battery voltage for powering LCD displays, LED backlights, and other components in smartphones, tablets, and portable media players.
2. IoT Devices: The IC enables efficient power conversion for low-power IoT devices such as sensors, wearables, and wireless modules.
3. Automotive Electronics: It can be employed in automotive systems to generate higher voltages for powering infotainment systems, lighting modules, and other components.
4. Industrial Automation: The MAX764CSA+T is suitable for industrial automation applications, where it can provide regulated voltage levels for control circuits and sensors.
5. Medical Devices: It can be utilized in medical devices that require precise and stable power supply voltages, such as patient monitoring systems and portable medical equipment.

Detailed and Complete Alternative Models

1. MAX756CSA+T: Similar to the MAX764CSA+T, but with a lower maximum output current of 50mA.
2. MAX1674EUA+T: Step-up DC-DC converter with higher maximum output current (150mA) and adjustable switching frequency.
3. MAX619ESA+T: Voltage converter with a fixed output voltage of 12V and a maximum output current of 100mA.
4. MAX1729EUB+T: High-efficiency step-up DC-DC converter with an integrated low-dropout regulator for improved voltage regulation.

These alternative models offer different specifications and features, allowing users to choose the most suitable option based on their specific requirements.

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