LYT7503D

Series:	LYTSwitch™-7
Packaging:	Tube
Part Status:	Active
Type:	AC DC Offline Switcher
Topology:	Step-Down (Buck)
Internal Switch(s):	Yes
Number of Outputs:	1
Voltage - Supply (Min):	90VAC
Voltage - Supply (Max):	308VAC
Voltage - Output:	--
Current - Output / Channel:	--
Frequency:	20kHz
Dimming:	Triac
Applications:	--
Operating Temperature:	-40°C ~ 150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SO

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 LYT7503D LED driver is a high-speed LED driver, suitable for high-intensity LED applications in a wide variety of markets, including automotive aftermarket, professional and consumer electronics, automotive, and industrial lighting. It is specifically designed to provide the necessary characteristics and performance needed to drive high-current LEDs in a reliable and cost-effective manner. This driver has a wide range of features and functions, including overvoltage and overcurrent protection, wide operating voltage range, adjustable dimming and current settings, and low power consumption.

Applications

The LYT7503D can be used for a variety of applications as an LED driver, including automotive headlamp systems, landscaping, showroom lighting, and professional video. The driver can also be used to design and build a wide range of lighting systems, including street lightings, retail displays, signage, and commercial establishment decorations.In the automotive market, the LYT7503D can be used to control high intensity LEDs, such as in headlights, dome lights, foot lights, display lights, etc. The adjustable dimming and current settings can be used to increase illumination in areas that require higher levels of illumination, while also providing optimum levels of illumination when needed.In the professional and consumer electronics, the LYT7503D can be used to economically control high-intensity LEDs in displays, projectors, TVs, monitors, and other projectors. The adjustable dimming and current settings allow designers to deliver the desired visual effects while maintaining reliable performance and minimally impacting the overall product cost.In the industrial and commercial lighting sectors, the LYT7503D driver can be used to control indoor and outdoor lighting systems, such as strip lighting, emergency lighting, office lighting, etc. The adjustable settings can also be used to change the color and brightness of the lighting system to provide different lighting effects.

Working Principle

The LYT7503D is designed with a single-sided DC/DC converter, which operates in a closed loop. This closed loop allows the converter to precisely maintain the output voltage, regardless of the input voltage level. The closed-loop architecture provides improved efficiency and helps the driver to reduce power losses.The converter consists of an input current-sensing element, a synchronous switch, a boost regulator, a gate driver, and a PWM control circuit. The input current sensing element is used to detect the current drawn by the LED load, while the synchronous switch is used to control the flow of power to the LED load. The boost regulator is used to regulate the output voltage in response to the changing LED load. The gate driver is responsible for turning the synchronous switch on and off in response to the signal provided by the PWM control circuit. This allows the LYT7503D driver to accurately control the output current to the LED load and provide the desired level of illumination.

Conclusion

The LYT7503D LED driver is a cost-effective and reliable way to control high intensity LEDs in a wide variety of applications. The closed loop architecture ensures higher efficiency and lower power losses, while the adjustable current and dimming settings ensure that the desired lighting effect can be achieved. It is suitable for a wide range of automotive, consumer electronics, industrial and commercial lighting applications.

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

Part Number	Manufacturer	Price	Quantity	Description