FLS3217M Integrated Circuits (ICs)

Voltage - Output:	--
Base Part Number:	FLS3217
Supplier Device Package:	7-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width), 7 Leads
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TA)
Applications:	--
Dimming:	--
Frequency:	--
Current - Output / Channel:	--
Series:	--
Voltage - Supply (Max):	30V
Voltage - Supply (Min):	--
Number of Outputs:	1
Internal Switch(s):	Yes
Topology:	Flyback
Type:	AC DC Offline Switcher
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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• Introduction

The FLS3217M is a high efficiency LED driver powered by a high-performance step-down converter designed to provide efficient current regulation for LED applications. This device is armed with a wide input voltage range as well as a rich set of features designed to protect the LED driver and ensure efficient operation. The FLS3217M is a high-efficiency, low-cost LED driver solution for general-purpose illumination, signage, and LCD backlighting applications, and provides a compact solution suitable for small spaces.

• Lighting Applications

The FLS3217M can be used in a variety of lighting applications, such as general illumination, signage, and LCD backlighting. The device supports up to 6 outputs using buck-boost technology that can precisely regulate the current in each output. This allows the FLS3217M to be used in applications where multiple LEDs need to be controlled with precise current regulation. It can also be used in applications where a wide input voltage range is needed.

• Features & Specifications

The features of the FLS3217M allow it to be used in various applications. It is designed to be a low-cost, high-efficiency LED driver solution, so it is highly efficient. It provides precise current regulation, low ripple, overvoltage protection, short-circuit protection and integrated dimming control. The device is rated for an operating temperature range of -40°C to 85°C.The specifications of the FLS3217M include a wide input range of 3.4V to 24V, and a total output voltage range of 35V to 5V. It has a maximum output current of 1.8A, and a switching frequency of 400kHz. The device includes integrated control to enable dimming control.

• Working Principle

The FLS317M works on the buck-boost principle, which is a type of switching converter that takes an input voltage and steps it down or up to a specified output voltage. The buck-boost topology allows for the voltage and current regulation of the output when the input voltage is greater or lower than the output voltage. The FLS317M is armed with a wide range of features that allow it to precisely regulate the output current and voltage. This includes integrated control to enable dimming control.

• Conclusion

The FLS317M is a high-efficiency LED driver solution that is ideal for general illumination, signage, and LCD backlighting applications. It has a wide input voltage range and a rich set of features designed to protect the LED driver and ensure efficient operation. The device is rated for an operating temperature range of -40°C to 85°C and is priced for low-cost LED driver solutions. The FLS317M works on the buck-boost principle, which is a type of switching converter that takes an input voltage and steps it up or down to meet the output voltage. The device is equipped with features that provide precise current regulation, low ripple, overvoltage protection, short-circuit protection and integrated dimming control, making it an attractive solution for LED driver applications.

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