FSFR1800XS - onsemi

Manufacturer Part Number

FSFR1800XS

Manufacturer

onsemi

Introduction

FSFR1800XS, part of the FSFR-XS series, is an integrated Pulse Frequency Modulation (PFM) controller intended for high-efficiency power solutions.

Product Features and Performance

Integrated high-voltage power switch

High-performance PFM controller

Slim 10-SIP module design suitable for compact power applications

260 W power handling capability

Up to 300kHz switching frequency for efficient operation

50% duty cycle for balanced operation

Isolated output for safety and versatile application use

Supports a broad range of supply voltages from 10V to 25V

Product Advantages

High-efficiency power conversion for energy savings

Reduced component count due to integrated design

Isolation feature enhances safety in sensitive applications

Wide operating temperature range from -40°C to 130°C

Key Technical Parameters

Voltage - Breakdown: 500V

Voltage - Start Up: 12.5V

Voltage - Supply (Vcc/Vdd): 10V ~ 25V

Duty Cycle: 50%

Frequency - Switching: Up to 300kHz

Power (Watts): 260 W

Quality and Safety Features

Current limiting fault protection

Overtemperature protection

Overvoltage protection

Robust design for enhanced reliability

Compatibility

Designed for use in AC DC converters and offline switches

Application Areas

Power supplies for telecom and network infrastructure

Consumer electronics

Industrial systems

Product Lifecycle

Obsolete

Availability of replacements or upgrades should be checked with the manufacturer or local distributors

Several Key Reasons to Choose This Product

Integrated switch reduces design complexity

High breakdown voltage suitable for robust applications

Support for high-temperature operations expands use in industrial environments

Enhanced safety features make it a solid choice for critical applications

Energy-efficient performance aligns with eco-friendly standards and cost savings