FAN7621BSJ

PFM控制器半桥谐振转换器 PFM Controller for Half-Bridge Resonant Converters

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