Voltage - Output:	--
Base Part Number:	SSL4120
Supplier Device Package:	24-SO
Package / Case:	24-SOIC (0.295", 7.50mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 150°C (TJ)
Applications:	--
Dimming:	--
Frequency:	500kHz
Current - Output / Channel:	--
Series:	--
Voltage - Supply (Max):	276V
Voltage - Supply (Min):	70V
Number of Outputs:	1
Internal Switch(s):	No
Topology:	Step-Up (Boost)
Type:	AC DC Offline Switcher
Part Status:	Discontinued at Digi-Key
Packaging:	Tape & Reel (TR)

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PMIC - LED Drivers , SSL4120T/1,518 Application Field and Working Principle

PMIC (Power Management Integrated Circuits) LED drivers are an integral part of LED lighting systems. LED drivers are used to control the supply of power to LED lights, and provide dimming, color control, and other adjustments. The SSL4120T/1,518 is a high-efficiency LED driver from STMicroelectronics, featuring a wide input voltage range and a high output current capability of up to 1.5A. The driver can be used for applications such as automotive and industrial lighting, as well as for signage, backlighting, and more.The SSL4120T/1,518 is a current-mode PWM (Pulse Width Modulation) buck regulator, meaning it is able to regulate current rather than voltage. This is important in LED lighting applications, since LEDs respond to current rather than voltage. With this PWM approach, the driver is able to precisely control the power delivered to the LED, resulting in accurate dimming and increased efficiency.The driver features a wide input voltage range of 4.5V to 36V and can provide output currents up to 1.5A. The driver features over-current protection and thermal shut down, and is designed to be compatible with a wide range of microcontrollers and other control systems.The driver can be used in a variety of applications, ranging from lighting to industrial control systems. It is ideal for applications that require precise and reliable control of LED current, such as in automotive, industrial, and signage lighting, as well as backlighting. The SSL4120T/1,518 is a highly efficient driver that helps to reduce system power consumption in LED-based applications. This is achieved through its low quiescent current and fixed frequency operation. The driver provides an adjustable frequency, allowing for optimization of the LED dimming frequency in an application. This can help reduce power consumption, as the LED dimming frequency can be adjusted to reduce current inrush. The SSL4120T/1,518 LED driver from STMicroelectronics is a high-efficiency, high-current driver ideal for applications that require precise control. The driver features a wide input voltage range, adjustable dimming frequency, and low quiescent current, providing increased system efficiency and reliability. With its current-mode PWM control, the driver provides precise control and dimming of LED current, making it an ideal choice for many LED lighting and industrial control applications.

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