onsemi FAN6500xx

Multi-chip module PWM buck regulators offering market-leading current density and fully integrated MOSFETs

FAN6500xx is a wide VIN highly efficient synchronous buck regulator, with integrated high side and low side power MOSFETs. The device incorporates a fixed frequency voltage mode PWM controller supporting a wide voltage range from 4.5 V to 65 V and can handle continuous currents up to 10 A. Includes a 0.67% accurate reference voltage to achieve tight regulation. The switching frequency can be programmed from 100 kHz to 1 MHz. This single phase buck regulator offers complete protection features including Over current protection, Thermal shutdown, Under−voltage lockout, Over voltage protection, Under-voltage protection and Short−circuit protection. onsemi has integrated its PowerTrench® MOSFET technology to create a rugged integrated solution that delivers industry leading power density and efficiency for DC-DC applications. By combining onsemi's PowerTrench MOSFET process with industry-leading packaging technology in a PQFN footprint (6 x 6mm package), the FAN65008B/5A/4B PWM buck converters deliver extremely low parasitics in the power path, enabling developers to realize a peak efficiency of 98.5%, with low ringing and better EMI than a solution that uses an external MOSFET.

Benefits

• Supports wide range of applications
• Allows for optimization between size, efficiency, and maximum duty cycle
• Maintain voltage accuracy
• Best Efficiency at heavy loads and also at light loads
• Fully protected against voltage, current and temperature faults
• Fully integrated high performance package and PowerTrench^® MOSFETs for enhanced efficiency

Applications

• High Voltage POL Module
• Telecommunications
• Networking and Servers Systems, USB−PD
• Industrial Equipment’s/Automation

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