The LT8646SEV#PBF is a high-performance step-down regulator from Analog Devices Inc. that combines advanced Silent Switcher 2 architecture with spread spectrum frequency modulation to minimize EMI emissions. Designed for efficiency, this device is ideal for noise-sensitive applications such as automotive, industrial, and medical systems where electromagnetic compatibility is critical.

Key Features

• Advanced Silent Switcher 2 Architecture: Ensures ultra-low EMI emissions through internal bypass capacitors and an integrated substrate coupled with the second generation Silent Switcher topology.
• Wide Input Voltage Range: Operates from a 3.4V to 42V input, making it suitable for applications with input sources ranging from single-cell Li-Ion to automotive inputs.
• High Efficiency: Delivers up to 6A of continuous output current with high efficiency at high and light loads, thanks to its low quiescent current and fast transient response.
• Adjustable and Synchronizable Frequency: The switching frequency is adjustable from 200kHz to 3MHz and can be synchronized to an external clock, allowing designers to optimize performance based on application requirements.
• Robust Thermal Performance: The LT8646SEV#PBF comes in a thermally enhanced 4mm x 6mm 28-lead LQFN package, which provides excellent thermal performance for high power applications.

Applications

• Automotive infotainment and telematics
• Industrial control and automation systems
• Medical equipment
• Telecommunications
• Datacom infrastructure

Product Specifications

The LT8646SEV#PBF offers a host of protection features, including overvoltage, overcurrent, and overtemperature protections. It also features a power good flag, soft-start capability, and output voltage tracking for safe and reliable operation. With its compact size and exceptional EMI performance, the LT8646SEV#PBF is a versatile solution for a wide range of power supply designs.