Product Overview: LT3518HFE#PBF

The LT3518HFE#PBF is a high-performance LED driver integrated circuit (IC) manufactured by Analog Devices Inc., designed to provide a robust and efficient solution for driving LEDs. This IC is particularly well-suited for applications requiring high brightness and precise current control, such as automotive lighting, backlighting for LCD displays, and general-purpose LED illumination.

Key Features

• Wide Input Voltage Range: The LT3518HFE#PBF operates over a wide input voltage range from 3V to 30V, making it versatile for various power supply conditions and capable of driving a string of LEDs with a series voltage up to 30V.
• Internal 2.3A Switch: It includes an internal 2.3A, 45V switch that can deliver up to 1.3A of continuous LED current, providing ample power for high-intensity LED applications.
• Adjustable Frequency: The switching frequency is adjustable between 250kHz and 2.5MHz, allowing designers to optimize efficiency and minimize external component sizes.
• PWM Dimming: The device supports PWM dimming, which provides precise control over LED brightness with a dimming range of up to 3,000:1.
• Thermal Protection: Enhanced safety features include thermal shutdown protection, which prevents damage from overheating.

Applications

• Automotive and Avionic Lighting
• Industrial and Architectural Lighting
• Display Backlighting (LCD, OLED, etc.)
• General Purpose LED Illumination

Product Specifications

The LT3518HFE#PBF is packaged in a thermally enhanced 16-lead TSSOP package with exposed pad for improved thermal performance. This product is also RoHS compliant and designed to meet the rigorous standards of automotive and industrial applications, ensuring reliability and performance under harsh conditions.

With its high efficiency, wide input voltage range, and comprehensive feature set, the LT3518HFE#PBF from Analog Devices Inc. is an ideal choice for designers looking to implement advanced LED driving solutions in their products.