LDU2030S500

Dimming:	Analog, PWM
Weight:	0.006 lb (2.72g)
Approvals:	EN
Packaging:	Tube
Size / Dimension:	0.80" L x 0.40" W x 0.27" H (20.3mm x 10.2mm x 6.9mm)
Package / Case:	14-DIP Module, 4 Leads
Mounting Type:	Through Hole
Efficiency:	95%
Operating Temperature:	-40°C ~ 70°C
Features:	Remote On/Off, SCP
Series:	LDU20
Power (Watts):	14W
Current - Output (Max):	500mA
Voltage - Output:	2 ~ 28 V
Voltage - Input (Max):	30V
Voltage - Input (Min):	7V
Number of Outputs:	1
Topology:	Buck
Type:	Constant Current
Part Status:	Active

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Introduction

LED Drivers, also known as LED power supplies, are an essential part in the illumination of LED lighting products. They are important components for controlling LED current and voltage to guarantee LED light source operation conditions in LED lighting applications and LED displays. The LED driver can protect LED lighting system, improve the stability of the system and optimize the lighting performance.The LDU2030S500 is a medium power LED driver IC designed for high-power LED applications. It has an operating temperature range from -40°C to +125°C and features 0.5A current driving capability. With constant current control and low ripple noise, the LDU2030S500 power supply is suitable for backlight, decorative lighting, and other high-power LED lighting applications.

Application Fields

The LDU2030S500 LED driver is widely used in many practical projects, displays and professional lighting houses.The LDU2030S500 has excellent temperature-resistant temperature characteristics that make it a perfect choice for applications in harsh environmental conditions. It is also suited for projects and applications in which exact color variation is necessary as the LDU2030S500 offers a high level of color fidelity.LED Driver ICs are increasingly used in the display applications. The LDU2030S500 offers superior features for applications such as video displays and monitors, which utilize a large number of LEDs for each display type. The LDU2030S500 can drive hundreds or even thousands of LEDs in order to create display screens that are both bright and fade-resistant.The LDU2030S500 is also suitable for usage in automotive applications. It is designed to support high grade lighting systems where fast response and high intensity is demanded. Automotive grade LED drivers are capable to drive high power LEDs, thus providing improved illumination output and lighting power efficiency.

Working Principle

The LDU2030S500 LED Driver works on a simple principle - it converts DC input voltage into constant current output. This is done by utilizing an integrated circuit (IC) containing a built-in self-oscillating switching voltage regulator. The input voltage is applied to the IC and a feedback circuit comprises of a sense resistor and a resistor to ground. The current sense resistor measures the amount of current passing through the LED, and the feedback indicates that level to the switching voltage regulator. The switching voltage regulator then determines the length of time it will stay on to regulate the LED current.The LDU2030S500 LED Driver uses a wide input voltage range from 12V to 36V, and it can be applied to LED applications with input power up to 36W. It features an adjustable current output from 200 mA to 500 mA, a high efficiency up to 95%, and a minimum switching ripple voltage better than 20 mV.In conclusion, the LDU2030S500 is a proven and reliable LED driver for various lighting applications, with an operating temperature range from -40°C to +125°C, high efficiency, constant current control and low ripple noise. It is a perfect match for many popular lighting projects, displays and professional lighting houses.

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