FSFR1800L

Duty Cycle:	50%
Base Part Number:	FSFR1800
Mounting Type:	Through Hole
Supplier Device Package:	9-SIP (L forming)
Package / Case:	10-SIP Module, 9 Leads, Formed Leads
Operating Temperature:	-40°C ~ 130°C (TJ)
Control Features:	EN, Frequency Control
Fault Protection:	Current Limiting, Over Load, Over Temperature, Over Voltage
Power (Watts):	260W
Frequency - Switching:	Up to 300kHz
Series:	FSFR
Voltage - Supply (Vcc/Vdd):	11.3 V ~ 25 V
Voltage - Start Up:	14.5V
Topology:	Half-Bridge
Voltage - Breakdown:	500V
Internal Switch(s):	Yes
Output Isolation:	Isolated
Part Status:	Obsolete
Packaging:	Tube

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Introduction:The FSFR1800L, produced by Fairchild Semiconductor, is a high-performance low-side switching regulator with many applications. It is an integrated switched-mode power supply (SMPS) which operates from a wide input voltage range, allowing for a wide variety of applications. In a nutshell, it is a highly reliable, cost-effective answer for efficiently managing power in offline and direct current (DC) applications and is perfect for space-critical designs. FRSFR1800L Application Fields and Working Principles:The FSFR1800L is a versatile power supply that can be used in a wide range of applications, including direct current (DC) offline power supplies, isolated offline power supplies, boost and flyback converters, AC-DC converters, and LED lighting. Its strong performance and versatility make it an essential part of many power management applications. The FSFR1800L is capable of operating across an input voltage range of 8.0 to 28.0V, making it perfect for a variety of input sources. It features a high-efficiency, low-power circuit that prevents short-circuiting even at higher output current levels. The built-in protection functions include over-current and over-temperature protection. The device can operate up to a maximum temperature of 150℃, so it is one of the more reliable ICs on the market. The FSFR1800L can also be used in direct current (DC) offline applications, as it has integrated low-side MOSFET switches to provide greater efficiency and reduce system cost. This also helps to improve the reliability of the design as only two external components are needed to control the output current.This low dropout regulator (LDO) has been designed to deliver up to 2A at an output voltage of 5V or 10V, making it highly effective for AC/DC or DC/DC converters. It operates at a maximum frequency of 600kHz, which allows for higher efficiencies when used in offline switcher applications. Moreover, it features a fast transient response and excellent load regulation, making it suitable for applications requiring a fast response time.As mentioned before, the FSFR1800L also has been adapted as a high performance, low-side switch regulator to power LED lighting systems. It is well-suited for such applications as it can switch up to 4V at up to 0.2A, allowing for more precise control over the brightness and color of the LEDs. The device is also capable of operating in a wide input voltage range and has an internal loop compensation circuit for quick response times. In short, the FSFR1800L is a versatile and powerful power component capable of powering a wide variety of applications. Its low-side switch regulator design and integrated protection functions make it a perfect solution for cost-effective power management solutions.Conclusion:The FSFR1800L is a high-performance switched-mode power supply that is highly versatile and reliable in a variety of applications. It is suitable for both direct current (DC) applications and isolated offline power supplies, and its low dropout regulator (LDO) design makes it an ideal component for AC-DC converters, LED lighting systems and offline switchers. The device features an impressive performance and excellent load regulation, making it an essential component for many power management solutions.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description