Linear Technology LT3485EDD-3 - Compact, High-Efficiency Boost Converter

The LT3485EDD-3 is a versatile and compact boost converter integrated circuit from Linear Technology, designed to provide efficient power management for portable and space-constrained applications. This device is a part of the LT3485 series, which is known for its low quiescent current and high switching frequency, making it an ideal solution for battery-powered devices.

Key Features:

• Adjustable Output Voltage: The LT3485EDD-3 allows for an adjustable output voltage up to 40V, providing flexibility for various design requirements.
• Integrated Power Switch: With an internal 350mA, 40V power switch, this boost converter simplifies design and reduces external component count.
• High Efficiency: The device operates with a high efficiency that minimizes heat generation and power loss, extending battery life in portable applications.
• High Switching Frequency: A high switching frequency of 2.4MHz allows the use of small, low-cost capacitors and inductors, reducing the overall solution footprint.
• Low Quiescent Current: The LT3485EDD-3 features a low quiescent current of only 25uA, which is crucial for battery-powered devices where power conservation is key.
• Soft-Start Function: The soft-start capability reduces inrush current during startup, which helps prevent system overload and extends the life of the battery and components.

Applications:

• Portable Electronics
• Medical Devices
• LED Drivers
• Handheld Instruments
• Small LCD Displays

The LT3485EDD-3 comes in a compact 10-pin DFN package with a thermal pad for enhanced thermal performance. Its robust design includes features such as thermal shutdown, current limiting, and output disconnect, ensuring reliable operation under various conditions. Whether for powering LEDs, driving small LCD panels, or energizing handheld devices, the LT3485EDD-3 is a high-performance solution that offers a combination of efficiency, flexibility, and compactness.