MAX1721EUT

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MAX1721EUT

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Description

The MAX1721EUT is a DC-DC step-up converter designed by Maxim Integrated. It operates with a low battery voltage and efficiently boosts it to a higher regulated output voltage, often used in battery-powered applications such as portable electronics. Its compact design allows for a small circuit footprint, making it ideal for space-constrained applications.
The device features a high-efficiency boost topology, which helps extend battery life by reducing power losses. It typically operates with an input voltage range starting as low as 0.9V, compatible with single-cell battery sources, and can output up to 5.5V. The MAX1721EUT includes a low-battery detection feature, which allows for battery monitoring. It also offers a shutdown mode to preserve battery life when the device is not in use.
In summary, the MAX1721EUT is a versatile and efficient step-up converter suitable for applications requiring low input voltage operation and compact size, with additional features to support battery management and longevity.

Equivalent

The MAX1721EUT is a micropower boost converter. Equivalent products include:
1. TPS61221 by Texas Instruments
2. NCP1402 by ON Semiconductor
3. MCP1640 by Microchip Technology
4. LT1615 by Analog Devices
5. MT3608 by MEIC
These alternatives offer similar functionalities, such as low-power consumption and voltage boosting capabilities, suitable for battery-powered applications. Always verify pin configurations and specifications to ensure compatibility.

Features

The MAX1721EUT is a micro-power DC-DC step-up converter designed by Maxim Integrated. Key features include:
1. Input Voltage Range: Operates from 0.9V to 5.5V, allowing it to be powered by a single or multiple alkaline, NiMH, or NiCd cells.

2. Output Voltage: Fixed output voltage options are available, making it suitable for specific applications without external adjustment components.
3. Efficiency: Offers high efficiency over a broad range of load conditions, with a synchronous rectification feature that minimizes power loss.
4. Quiescent Current: Very low quiescent current makes it ideal for battery-powered applications, extending battery life.
5. Start-Up: Capable of starting up with low input voltages, ensuring reliable performance even when the battery is nearly depleted.
6. Package: Available in ultra-small SOT23-6 package, facilitating compact design implementations.
7. Applications: Suitable for use in portable devices, consumer electronics, and other applications where efficient power conversion is critical.
These features make the MAX1721EUT an excellent choice for efficient power management in various compact, battery-operated devices.

Pinout

The MAX1721EUT is a step-up DC-DC converter from Maxim Integrated. It typically comes in a 6-pin SOT-23 package. The pin functions are as follows:
1. GND (Pin 1): Ground reference for the device.
2. LX (Pin 2): Drain of the internal MOSFET switch; connect to the inductor.
3. OUT (Pin 3): Output voltage pin; should be connected to the output capacitor.
4. FB (Pin 4): Feedback input; connected to a resistor network to set the output voltage.
5. SHDN (Pin 5): Shutdown input; used to enable or disable the converter.
6. VIN (Pin 6): Supply voltage input; the input voltage for the power supply.
The MAX1721EUT is designed for applications requiring a compact and efficient boost converter, suitable for low-power devices.

Manufacturer

The MAX1721EUT is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated was known for designing and manufacturing analog and mixed-signal integrated circuits. The company specialized in various product categories including power management, interface, sensors, and wireless communications. In 2021, Maxim Integrated was acquired by Analog Devices, a company that further enhances its capabilities in developing high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Analog Devices serves a variety of sectors including industrial, automotive, consumer electronics, communications, and healthcare.

Application

The MAX1721EUT is a DC-DC step-up converter, commonly used in applications requiring efficient power conversion. Typical areas of application include battery-powered devices such as portable electronics, wireless sensors, and handheld instruments, where extending battery life and maintaining a compact form are crucial. Additionally, it is used in personal medical devices, small communication equipment, and other gadgets that benefit from boosted voltage levels while minimizing power loss. Its compact size and efficiency make it suitable for modern electronic devices demanding miniaturization and enhanced battery performance.

Package

The MAX1721EUT is a DC-DC step-up converter from Maxim Integrated. It comes in a SOT23-6 package, which is a small-outline, surface-mount package with six leads. This compact packaging is suitable for applications requiring efficient use of PCB space.

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