The LT3591EDDB#TRPBF is a high-performance, adjustable frequency monolithic buck mode DC/DC converter from Linear Technology, designed to drive up to 10 LEDs in series from a wide input range of 3V to 30V. Its flexibility and compact design make it an ideal solution for various applications that require efficient and reliable LED driving capabilities.
Key Features:
- Wide Input Voltage Range: Operates from 3V to 30V, making it suitable for use in automotive, industrial, and general lighting applications.
- Internal Switch: The device includes a 36V, 1A internal switch which provides a compact solution with minimal external components.
- Adjustable Frequency: The switching frequency can be adjusted from 200kHz to 2MHz, allowing optimization for efficiency or external component size.
- High Efficiency: With efficiencies up to 85%, the LT3591EDDB#TRPBF helps to extend battery life in portable applications.
- True Color PWM Dimming: Offers wide-range dimming ratios at up to 3000:1, ensuring precise control over LED brightness.
- Open LED Protection: The device includes open LED protection that prevents overvoltage in case one or more LEDs in a string fail to open.
- Thermal Protection: The built-in thermal shutdown feature ensures the device operates within safe temperature limits.
Applications:
- Automotive and Avionic Lighting
- Industrial Display Backlighting
- General Purpose LED Illumination
- Portable Lighting and Flashlights
The LT3591EDDB#TRPBF comes in a small 10-lead (3mm × 3mm) DFN package with an exposed pad for enhanced thermal performance. Its compact size and comprehensive feature set make it an excellent choice for designers looking to create efficient, high-performance LED lighting solutions without compromising on space or functionality.
