FSFR1800XSL

LLC 谐振和非对称半桥 PWM 控制器，Fairchild Semiconductor线路电平控制 LLC ### 离线和隔离直流-直流控制器，Fairchild Semiconductor回扫控制器、线路电平控制 LLC 控制器和初级侧调节控制器显著节能，以满足开关模式电源 SMPS 设计的需要。 所有控制器随附集成软启动和过压、开口反馈、过载、输出短路、过电流、电压中断和欠压闭锁功能。

Description

The FSFR-XS series includes highly integrated power switches designed for high-efficiency half-bridge resonant converters. Offering everything necessary to build a reliable and robust resonant converter, the FSFRXS series simplifies designs while improving productivity and performance. The FSFR-XS series combines power MOSFETs with fast-recovery type body diodes, a highside gate-drive circuit, an accurate current controlled oscillator, frequency limit circuit, soft-start, and built-in

protection functions.

Features

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

High Efficiency through Zero Voltage Switching ZVS

Internal UniFET™ with Fast-Recovery Body Diode

Fixed Dead Time 350ns Optimized for MOSFETs

Up to 300kHz Operating Frequency

Auto-Restart Operation for All Protections with External LVCC

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

Applications

PDP and LCD TVs

Desktop PCs and Servers

Adapters

Telecom Power Supplies