LT3755EUD#TRPBF - High Input Voltage, Boost, Flyback, SEPIC and Inverting Controller

The LT3755EUD#TRPBF is a versatile DC/DC converter controller designed by Linear Technology to manage a variety of power conversion topologies including boost, flyback, SEPIC, and inverting configurations. This component is particularly suitable for applications requiring high input voltages and precise LED current regulation, making it a popular choice for LED drivers, automotive and industrial lighting, and general-purpose high voltage power conversion.

Key Features:

• Wide Input Voltage Range: The device operates over a broad input voltage range from 4.5V to 40V, accommodating fluctuations in supply voltage and making it suitable for a range of applications.
• High Output Voltage: Capable of generating output voltages up to 100V, the LT3755EUD#TRPBF is ideal for driving high voltage LEDs and other applications requiring high voltages.
• Adjustable Frequency: The switching frequency can be programmed between 100kHz and 1MHz, allowing designers to balance efficiency and component size.
• Constant-Current and Constant-Voltage Regulation: The device provides accurate current control, which is critical for LED applications, as well as constant-voltage regulation for charging applications and voltage sources.
• Robust Protection Features: It includes features such as open LED protection, short-circuit protection, and over-temperature protection, ensuring reliable operation under adverse conditions.

Applications:

• LED Driver Circuits
• Automotive and Industrial Lighting
• General Purpose High Voltage Power Supplies
• Boost and Flyback Converters
• SEPIC and Inverting Converters

The LT3755EUD#TRPBF is packaged in a compact 16-lead QFN package with a thermal pad for enhanced thermal performance. Its small footprint and high level of integration make it an excellent choice for space-constrained applications. The device's combination of flexibility, efficiency, and protection features ensures that it can meet the needs of a wide array of power conversion challenges.