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FSFR1700USL Datasheet Power Switch

Manufacturer: Fairchild (now onsemi)

Overview: FSFR-US Series — Fairchild Power Switch (FPS™) for Half-Bridge Resonant Converter May 2010 FSFR-US Series — Fairchild Power Switch (FPS™) for Half-Bridge Resonant.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The FSFR -US seri es a re a high ly inte grated p ower switches de signed for high-efficiency ha lf-bridge resonant co nverters.

O ffering ev erything ne cessary to build a reliable and robust resonant converter, the FSFRUS seri es si mplifies de signs and improves prod uctivity, while improv ing perf ormance.

T he FSFR -US serie s bines power MOSFETs with fast-recovery type body diodes, a high-side gate-drive circuit, an accurate current controlled oscillator, frequency limit circuit, soft-start, and built-in pr otection fu nctions.

Key Features

  • Variable Frequency Control with 50% Duty Cycle for Half-Bridge Resonant Converter Topology High Efficiency through Zero Voltage Switching (ZVS) Internal UniFET™s with Fast-Recovery Type Body Diode Fixed Dead Time (350ns) Optimized for MOSFETs Up to 300kHz Operating Frequency Auto-Restart Operation for All Protections with An External LVCC Protection Functions: Over-Voltage Protection (OVP), Over-Current Protection (OCP), Abnormal Over-Current Protection.

FSFR1700USL Distributor