Description

The FAN7621B is a pulse frequency modulation controller for high-efficiency half-bridge resonant converters. Offering everything necessary to build a reliable and robust resonant converter, the FAN7621B simplifies designs and improves productivity, while improving performance.

Features

Variable Frequency Control with 50 Duty Cycle for Half-bridge Resonant Converter Topology

High Efficiency through Zero Voltage Switching (ZVS)

Fixed Dead Time (350ns)

Up to 300kHz Operating Frequency

Pulse Skipping for Frequency Limit (Programmable) at Light-Load Condition

Remote On/Off Control using CON Pin

Protection Functions: Over-Voltage Protection (OVP), Overload Protection (OLP), Over-Current Protection (OCP), Abnormal Over-Current Protection (AOCP), Internal Thermal Shutdown (TSD)