MAX1693EUB

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High-Efficiency Step-Up DC-DC Converter
• Package: µMAX®
• Essence: The MAX1693EUB is a compact and efficient step-up DC-DC converter designed for various power management applications.
• Packaging/Quantity: Available in a 10-pin µMAX package, with a quantity of 250 units per reel.

Specifications

• Input Voltage Range: 2.6V to 5.5V
• Output Voltage Range: Up to 28V
• Switching Frequency: 1.2MHz
• Maximum Output Current: 100mA
• Efficiency: Up to 90%
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX1693EUB has the following pin configuration:

1. SHDN: Shutdown Control Input
2. LX: Inductor Connection
3. GND: Ground
4. SW: Switch Node
5. FB: Feedback Voltage Input
6. VOUT: Output Voltage
7. EN: Enable Control Input
8. PGND: Power Ground
9. VIN: Input Voltage
10. VCC: Supply Voltage

Functional Features

• High Efficiency: The MAX1693EUB utilizes a high-efficiency step-up DC-DC converter architecture, ensuring minimal power loss during voltage conversion.
• Wide Input Voltage Range: With an input voltage range of 2.6V to 5.5V, the MAX1693EUB can be used with various power sources.
• Adjustable Output Voltage: The output voltage can be adjusted up to 28V, providing flexibility for different application requirements.
• Shutdown and Enable Control: The SHDN and EN pins allow for easy control of the device's power state, enabling power-saving modes when necessary.
• Overcurrent Protection: The MAX1693EUB incorporates overcurrent protection to safeguard against excessive current flow.

Advantages and Disadvantages

Advantages: - Compact Size: The µMAX package allows for a small form factor, making it suitable for space-constrained applications. - High Efficiency: The step-up DC-DC converter design ensures efficient power conversion, minimizing energy loss. - Wide Input Voltage Range: Compatible with various power sources, enhancing versatility.

Disadvantages: - Limited Output Current: The maximum output current of 100mA may not be sufficient for high-power applications. - Temperature Limitations: The operating temperature range of -40°C to +85°C may restrict usage in extreme environments.

Working Principles

The MAX1693EUB operates as a step-up DC-DC converter. It takes an input voltage within the specified range and boosts it to a higher output voltage. This is achieved through the use of an inductor, which stores energy during the switch-on period and releases it to the output during the switch-off period. The switching frequency of 1.2MHz ensures efficient power transfer.

Detailed Application Field Plans

The MAX1693EUB can be applied in various power management scenarios, including but not limited to: - Battery-Powered Devices: Portable electronics, such as smartphones, tablets, and wearable devices, can benefit from the efficient power conversion provided by the MAX1693EUB. - Automotive Applications: The wide input voltage range and compact size make it suitable for automotive systems, such as infotainment systems, lighting controls, and sensor modules. - Industrial Equipment: The MAX1693EUB can be used in industrial automation, control systems, and instrumentation, where efficient power management is crucial.

Detailed and Complete Alternative Models

• MAX1693ESA: Similar to the MAX1693EUB, but available in an 8-pin SOIC package.
• MAX1693EUE+: Similar to the MAX1693EUB, but available in a 16-pin TSSOP package.
• MAX1693EUB+T: Tape and reel packaging option for the MAX1693EUB.

These alternative models offer similar functionality and characteristics, providing options for different PCB layouts and assembly requirements.

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