FSFR1700XS - onsemi

Manufacturer Part Number

FSFR1700XS

Manufacturer

onsemi

Introduction

The FSFR1700XS is an integrated Pulse Frequency Modulation (PFM) controller and power MOSFET specifically designed for resonant switch mode power supply applications.

Product Features and Performance

Integrated power MOSFETs and PFM controller

High efficiency through resonant zero voltage switching

Half-bridge topology

Isolated output for safety and noise reduction

Internal switch with 500V breakdown voltage

Start-up voltage of 12.5 V

Supply Voltage ranging from 10V to 25V

Fixed 50% duty cycle

High-frequency switching up to 300kHz

200 W power output capability

Fault protection features for current limiting, over-temperature, and over-voltage

Frequency control for optimized performance

Operating temperature range from -40°C to 130°C

Product Advantages

Integration of controller and MOSFETs reduces component count and simplifies design

Energy-efficient operation due to resonant switching

Isolated output improves safety for end-user applications

A comprehensive suite of protection features enhances product reliability

Key Technical Parameters

Output Isolation: Isolated

Internal Switch(s): Yes

Voltage Breakdown: 500V

Topology: Half-Bridge

Voltage Start Up: 12.5V

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

Duty Cycle: 50%

Frequency Switching: Up to 300kHz

Power (Watts): 200W

Quality and Safety Features

Fault protection for over-current, over-temperature, and over-voltage

Designed for high-temperature operational stability

Compatibility

Compatible with various resonant power supply designs

Through-hole mounting design for broad PCB compatibility

Application Areas

Switch mode power supplies for consumer electronics

Industrial power systems

Telecommunication power infrastructure

Product Lifecycle

Obsolete

Check for potential replacement products or consider last-time buy options

Several Key Reasons to Choose This Product

Integration for ease of design and space-saving on PCB

High-efficiency power conversion reduces energy consumption

Robust protection features ensure long-term reliability

Suitable for a wide range of high-power applications

onsemi's reputation for quality and support

High-frequency operation enables the use of smaller passive components