This website uses cookies. By using this site, you consent to the use of cookies. For more information, please take a look at our Privacy Policy.

Images are for reference only,

See Technical Specifications

FSFR1800XS +BOM

Integrated Power Switch (FPS™) for 260W Half-Bridge Resonant Converter

Manufacturer:

ON Semiconductor, LLC
Mfr.Part #:

FSFR1800XS
Datasheet:

FSFR1800XS Datasheet (PDF)
Series:

FSFR-XS
Output Isolation:

Isolated
Internal Switch(s):

Yes
Voltage - Breakdown:

500V

FSFR1800XS General Description

The FSFR1800XS is a highly efficient and reliable Power IC that is specially designed for high-voltage, high-speed, off-line switching power supply applications. With its integrated control circuitry and power MOSFETs in a single package, it offers unparalleled convenience and space-saving benefits for designers. Specifically tailored for use in flyback converters, which are widely utilized in power supplies for LCD monitors, TVs, and similar applications, this device operates at a maximum switching frequency of 175 kHz and can handle a maximum output power of 100 watts. Additionally, it comes with built-in protection functions such as over-current protection, over-voltage protection, and thermal shutdown, ensuring optimal safety and reliability

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 Body Diode
Fixed Dead Time (350ns) Optimized for MOSFETs
Up to 300kHz Operating Frequency
Auto-Restart Operation for All Protections with An External LV_CC
Protection Functions: Over-Voltage Protection (OVP), Over-Current Protection (OCP), Abnormal Over-Current Protection (AOCP), Internal Thermal Shutdown (TSD)

Application

Printer Scanner
External Monitor
Gaming Headset

Specifications

Category	Integrated Circuits (ICs)Power Management (PMIC)AC DC Converters, Offline Switches	Series	FSFR-XS
Output Isolation	Isolated	Internal Switch(s)	Yes
Voltage - Breakdown	500V	Topology	Half-Bridge
Voltage - Start Up	12.5 V	Voltage - Supply (Vcc/Vdd)	10V ~ 25V
Duty Cycle	50%	Frequency - Switching	Up to 300kHz
Power (Watts)	260 W	Fault Protection	Current Limiting, Over Temperature, Over Voltage
Control Features	Frequency Control	Operating Temperature	-40°C ~ 130°C (TJ)
Mounting Type	Through Hole	Base Product Number	FSFR1800