Product Overview: LT3590ESC8#TRPBF

The LT3590ESC8#TRPBF is a high-performance, fixed frequency step-up DC/DC converter from Linear Technology, designed to drive up to 10 LEDs in series from a single cell Li-Ion battery. This makes it an ideal choice for small, battery-powered applications where efficient power conversion is crucial for maximizing battery life and ensuring consistent light output.

Key Features

• Wide Input Voltage Range: The device operates from an input voltage ranging from 2.5V to 12V, making it versatile for various power supply configurations.
• Internal 36V Switch: The LT3590ESC8#TRPBF includes an internal 36V, 1A switch that can drive up to 10 white LEDs in series, providing uniform brightness and eliminating the need for external current limiting resistors.
• High Efficiency: The device is capable of efficiencies up to 92%, which minimizes heat generation and power loss, thereby extending battery life in portable applications.
• Adjustable Frequency: The switching frequency is adjustable from 200kHz to 2MHz, allowing designers to optimize the converter for size, efficiency, or required operating speed.
• Soft-Start Feature: This feature limits inrush current during startup, providing a smoother power-up sequence and extending the life of the battery and LEDs.

Applications

The LT3590ESC8#TRPBF is suitable for a wide range of applications, particularly where space is at a premium and high-efficiency lighting is needed. These include:

• Portable Lighting
• Backlighting for LCD Displays
• Photographic Flash
• General LED Illumination

Quality and Reliability

Linear Technology ensures that the LT3590ESC8#TRPBF meets the highest quality and reliability standards. The device is available in a thermally efficient, low-profile (1mm) 8-lead SC70 package, which is RoHS compliant and suitable for compact circuit designs.

Conclusion

With its robust feature set and high efficiency, the LT3590ESC8#TRPBF from Linear Technology is an excellent choice for designers looking to create compact, battery-powered LED lighting solutions without compromising performance or battery life.