High Density Primary Side Isolated DC/DC Power Solution

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Summary:

A complete solution that provides an active, small, isolated, high-efficiency switch-mode power supply that delivers high performance and helps customers achieve higher power densities, enabling them to outperform their competitors. Advantage. Having a solution that customers need will benefit sales, and sales growth will provide funding for differentiation.

The main features of the solution:

• 48Vdc Input Voltage: The 100V input range means that no bias windings are needed to power the controller. Simplifies design and transformers.
• Isolated Power Converter: 2500Vrms Isolated
• Low Voltage, High Current Output: The combination of an integrated synchronous FET driver and a low loss NexFET maximizes the efficiency of high current/low output voltage applications.
• High power density solution: Switching frequencies up to 2MHz allow the use of smaller magnetic components, while the low gate capacitance on the NexFet ensures low switching losses at high speeds.

Featured resources:

• LM5045 – Fully Bridged PWM Controller with Integrated MOSFET Driver
• UCC27524 - Dual 5A High Speed ​​Low Side Power MOSFET Driver
• CSD17311Q5 - 30V N-Channel NexFET Power MOSFET