LT3519EMS-1#PBF

Voltage - Supply (Max):	30V
Base Part Number:	LT3519
Supplier Device Package:	16-MSOP
Package / Case:	16-TFSOP (0.118", 3.00mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Applications:	Lighting
Dimming:	Analog, PWM
Frequency:	1MHz
Current - Output / Channel:	750mA (Switch)
Voltage - Output:	--
Series:	--
Voltage - Supply (Min):	3V
Number of Outputs:	1
Internal Switch(s):	Yes
Topology:	SEPIC, Step-Down (Buck), Step-Up (Boost)
Type:	DC DC Regulator
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tube

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PMIC - LED Drivers Application Field and Working Principle

The LT3519EMS-1#PBF a PMIC - LEDDrivers is an off-line switching regulator that can be used for a wide-range of broad-based applications. The LT3519EMS-1#PBF is designed to provide cost-effective, general-purpose, power-conversion solutions for applications in many applications, including providing a current-regulated output for direct LED lighting or powering of other low-voltage products.The LT3519EMS-1# PBF PMIC - LEDDrivers consists of a wide range of features that is suitable for a broad range of applications. It incorporates multiple protection features, such as short-circuit protection, over-current protection, and under-voltage lockout. It also features adjustable switching frequency and switching modes, variable current limit and minimum illumination control. The device also features efficient power conversion with adaptive power conversion techniques, as well as low power standby mode. The LT3519EMS-1 is a flexible solution with its various input voltage range (from 4.5V to 42V) and the possibility of adjustable output current levels. This flexibility is well-suited to a variety of applications, such as lighting, backlight displays, automotive and other equipment using light-emitting diode (LED) devices.The device operates in two different modes, depending on the need. In constant voltage mode, it piles a steady current to the LED devices, providing a constant illumination level; in constant current mode, it delivers a steady voltage and adapts to dynamic load changes, allowing for a dynamic output and adjusting light intensity levels. The high-efficiency power conversion feature is enhanced with an adaptive power-conversion technique, where the switching frequency is automatically adjusted to best match the input voltage and load.The LT3519EMS-1 PMIC - LEDDrivers is capable of supplying up to 6.5A of continuous current or up to 20A of peak current, making it an ideal solution for a broad range of medium to high powered lighting applications. The on-board protection circuitry provides a range of safety features, including short-circuit protection, over-current protection and under-voltage lockout. The device also features a minimum illumination control circuit. This ensures that a steady minimum illumination level is maintained, even when the load is changing dynamically.The LT3519EMS-1 PMIC - LEDDrivers is designed to provide cost-effective, high-efficiency and general-purpose power conversion. The wide input voltage range and adjustable output current levels make this device suitable for a variety of LED lighting applications. The on-board protection features ensure a safe and reliable operation, while the adaptive power conversion techniques provide maximum efficiency and low power standby mode. The LT3519EMS-1 PMIC - LEDDriver is an excellent choice for a wide range of applications, including lighting, displays and automotive applications.

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