FSFR1700HS Datasheet PDF - Fairchild

●Description

●The FSFR-HS is a highly integrated power switch designed for high-efficiency half-bridge resonant converters. Offering everything necessary to build a reliable and robust resonant converter, the FSFR-HS simplifies designs while improving productivity and performance. The FSFR-HS combines power MOSFETs, a high-side gate-drive circuit, an accurate current controlled oscillator, 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)

●Built-in High-Side Gate Driver IC

●Internal UniFET™s with Fast-Recovery Type Body Diode (trr=160ns Typical)

●Fixed Dead Time (350ns) Optimized for MOSFETs

●Operating Frequency Up to 600kHz for Soft-Start

●Self Auto-Restart Operation for All Protections, Despite External LVCC Bias

●Line UVLO with Programmable Hysteresis Level

●Simple On/Off with Line UVLO Pin

●Easy Configuration and Compatibility with FAN7930 for Line UVLO without External Components

●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