LT3474EFE-1#PBF

Series:	--
Packaging:	Tube
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Type:	DC DC Regulator
Topology:	Step-Down (Buck)
Internal Switch(s):	Yes
Number of Outputs:	1
Voltage - Supply (Min):	3.5V
Voltage - Supply (Max):	36V
Voltage - Output:	--
Current - Output / Channel:	1A
Frequency:	200kHz ~ 2MHz
Dimming:	PWM
Applications:	Automotive, Backlight
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	16-TSSOP (0.173", 4.40mm Width) Exposed Pad
Supplier Device Package:	16-TSSOP-EP
Base Part Number:	LT3474

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PMIC - LED Drivers

The LT3474EFE-1#PBF is an innovative product from the PMIC - LED Drivers family. It is a high power LED driver with a very high level of efficiency. This product from Linear Technology is low current, high voltage light emitting diode driver which offers a wide range of applications.It provides accurate LED current regulation, over-temperature and short circuit protection, current slew rate control, and programmable brightness settings. It has a wide range of output voltage levels, up to 80V, and can support up to 10 LEDs in a single chain. The LT3474EFE-1#PBF is a state-of-the-art product offering remarkable features and advantages such as dimming control, open-circuit protection, and a low power standby mode.

Application Field

The LT3474EFE-1#PBF LED driver is widely used in a variety of LED lighting applications such as street lighting, park lighting, signs, light bulbs and automotive lighting. Furthermore, this product is suitable for various commercial and industrial applications including security lighting, stage lighting and lighting for the entertainment industry.This driver provides an ideal solution for lighting systems that require high levels of efficiency and accuracy. Due to its high output voltage and current, this driver can be used to power a wide range of displays, from small LCDs to large LCD displays. Additionally, it is suitable for applications that need to dim the light output to adjust the brightness.

Working Principle

The LT3474EFE-1#PBF LED driver works on the principle of pulse width modulation (PWM). Using the PWM technology, the driver can individually control the brightness of each LED in the string, resulting in a uniform and linear light output. The driver also provides dynamic over-temperature protection, where the brightness of the LEDs is reduced when the temperature of the driver increases.In addition, this driver integrates a slew rate control function which helps in reducing the amount of electrical noise generated by the LED drivers. This is especially important for LED drivers used in sensitive applications such as stage lighting and security lighting. Finally, the driver also includes short circuit protection which detects a short circuit condition in the LED chain and shuts off the driver to prevent any further damage.

Conclusion

The LT3474EFE-1#PBF is a cutting edge LED driver from the PMIC - LED Drivers family. Its features and advantages make it the perfect choice for a wide range of LED lighting applications. It is capable of providing accurate current regulation, dimming control and over-temperature protection. Its high output voltage and current levels make it suitable for a variety of displays, from small to large LCDs. Finally, its built-in short circuit protection helps it avoid any kind of damage in case of a short circuit condition.

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