Voltage - Output:	--
Supplier Device Package:	8-SOP-EP
Package / Case:	8-SOIC (0.154", 3.90mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Applications:	Backlight, Lighting
Dimming:	Analog, PWM
Frequency:	500kHz
Current - Output / Channel:	1.5A (Switch)
Series:	--
Voltage - Supply (Max):	40V
Voltage - Supply (Min):	4.5V
Number of Outputs:	1
Internal Switch(s):	Yes
Topology:	Step-Down (Buck)
Type:	DC DC Regulator
Part Status:	Active
Packaging:	Tape & Reel (TR)

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PMIC - LED Drivers

RT8453BGSP Application Field and Working Principle

RT8453BGSP is a highly integrated, 3-channel LED driver specifically designed for energy-saving LED lighting applications such as LED replica, LEDtube, LED panel lights, LED marketing lights, LED residential lighting, and LED street lighting. The RT8453BGSP boasts a number of features designed to make LED lighting systems more reliable, efficient and power-saving, such as adjustable LED current, a constant voltage feedback, over-temperature protection, and digital dimming from 0.1% to 100%. In addition to reliability, the RT8453BGSP also offers good performance and low power consumption. It supports dimming with pulse-width modulation (PWM). This means that while the LED driver helps to reduce power use, it also maintains consistency of light intensity. Moreover, the chip\'s dynamic current control system helps reduce the excessive power use that can occur when LEDs turn on or off. The RT8453BGSP is designed to be used for both general power and dimming control. It provides the user with a range of adjustable parameters that help to ensure efficient power and dimming control - from AC input range and buck or boost output voltage selecting, to setting buck/boost voltage range, maximum output current, and enable/disable of channels. The RT8453BGSP works on the pulse-width modulated (PWM) concept, where the width of the pulse is varied according to the desired LED intensity and brightness. When the LED current is above the threshold level, the PWM voltage increases, and when the LED current decreases, the PWM voltage decreases. This allows the LED light to dim and brighten gradually, rather than suddenly jump to full intensity, resulting in a more natural-looking illumination. In short, the RT8453BGSP is a highly integrated, energy-saving LED driver designed to reduce power consumption and ensure efficient power and dimming control in LED lighting systems. As a result, it is being increasingly used in LED lighting applications, such as LED replica lighting, LEDtube lighting, LED panel lights, LED marketing lights, LED residential lighting, and LED street lighting.

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Part Number	Manufacturer	Price	Quantity	Description