Analog Devices Inc.

LT3688IFE

LT3688IFE Description

The LT3688IFE is a high-performance buck regulator designed by Analog Devices Inc., offering adjustable output voltages and a maximum output current of 800mA. This regulator is designed for surface mount applications and features a 24-lead TSSOP package. It operates over a wide input voltage range from 3.8V to 36V and can deliver a maximum output voltage of 36V. The LT3688IFE employs a buck topology, providing efficient power conversion with a switching frequency range of 500kHz to 2.1MHz. This regulator is ideal for applications requiring high efficiency and compact design. However, it is important to note that the LT3688IFE is now obsolete, and its ECCN classification is OBSOLETE.

LT3688IFE Features

• Adjustable Output Voltage: The LT3688IFE offers adjustable output voltages ranging from 0.8V to 36V, providing flexibility for various power management needs.
• High Efficiency: Utilizing a buck topology, the regulator achieves high efficiency across a wide range of input and output voltages.
• Wide Input Voltage Range: With an input voltage range of 3.8V to 36V, the LT3688IFE can accommodate a variety of power sources.
• High Switching Frequency: The regulator operates at a switching frequency range of 500kHz to 2.1MHz, enabling the use of smaller inductors and capacitors for a compact design.
• Surface Mount Compatibility: The LT3688IFE is designed for surface mount applications, making it suitable for space-constrained designs.
• Positive Output Configuration: The regulator provides a positive output configuration, suitable for most power management applications.
• Moisture Sensitivity Level (MSL) 1: The LT3688IFE has an MSL rating of 1 (unlimited), ensuring reliability in various environmental conditions.

LT3688IFE Applications

The LT3688IFE is well-suited for a variety of applications where high efficiency and adjustable output voltages are required. Some specific use cases include:

• Industrial Control Systems: The wide input voltage range and adjustable output make it ideal for powering various sensors and control modules.
• Telecommunications: The regulator can efficiently manage power distribution in telecom equipment, ensuring reliable operation.
• Automotive Electronics: The LT3688IFE can be used in automotive applications where compact design and high efficiency are crucial.
• Consumer Electronics: The regulator is suitable for powering portable devices and other consumer electronics that require efficient power management.

Conclusion of LT3688IFE

The LT3688IFE is a versatile buck regulator that offers adjustable output voltages and high efficiency, making it suitable for a wide range of applications. Its wide input voltage range, high switching frequency, and surface mount compatibility provide significant advantages over similar models. Despite being obsolete, the LT3688IFE remains a reliable choice for power management applications requiring compact design and efficient power conversion.