LT3755IMSE-2#TRPBF

Voltage - Output:	75V
Base Part Number:	LT3755
Supplier Device Package:	16-MSOP-EP
Package / Case:	16-TFSOP (0.118", 3.00mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Applications:	--
Dimming:	Analog, PWM
Frequency:	100kHz ~ 1MHz
Current - Output / Channel:	--
Series:	--
Voltage - Supply (Max):	40V
Voltage - Supply (Min):	4.5V
Number of Outputs:	1
Internal Switch(s):	No
Topology:	Flyback, SEPIC, Step-Down (Buck), Step-Up (Boost)
Type:	DC DC Controller
Part Status:	Active
Packaging:	Tape & Reel (TR)

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Introduction

PMIC - LED leaders are drivers which contain an integrated power management controller (PMIC) to power LEDs. These drivers provide a better and more efficient way for LED manufacturers and designers to control LED power. The LT3755IMSE-2#TRPBF is a popular LED driver which provides excellent features and performance for LED applications. In this article, we will discuss the application fields and working principle of the LT3755IMSE-2#TRPBF LED driver.

Application Field

The LT3755IMSE-2#TRPBF LED driver is mainly used in limited space applications and enables efficient battery-driven LED driver solutions. Typical applications of this driver include cell phones, wireless handsets, MP3 players, tablet PCs, Bluetooth transmitters/receivers, and PDA’s. This driver\'s maximum power output is 8-Watts which makes it suitable for powering a wide range of LEDs. The LT3755IMSE-2#TRPBF offers a variety of features that make it a desirable solution for designers. Features such as input voltage range of 2.7V to 5.5V, programmable switching frequency, high efficiency, ultra-low quiescent current, and thermal shutdown protection make it versatile and reliable for a variety of applications. Additionally, it includes a low-dropout (LDO) mode for low-power operation. This driver\'s integrated power controller allows for precise current-regulation and thermal-foldback features. These features enable the device to continuously monitor and regulate the maximum current, ensuring that LEDs consume the correct amount of power while operating under optimal conditions.

Working Principle

The LT3755IMSE-2#TRPBF LED driver works by using a high-efficiency, pulse-width-modulated (PWM) switching regulator. This regulator controls the amount of current that flows through your LEDs. It uses a low-on-resistance switch to allow current to flow, while also protecting connected components from over-current conditions. The PWM regulator then cycle-by-cycle adjusts the LED current slightly allowing it to remain within the desired range.The device works by comparing the input voltage and the sensed voltage from the inductor during each switching cycle, and adjusts the output voltage accordingly. It also provides an over-current limit function by sensing the current delivered to the LED and controlling the output voltage. This ensures that your LEDs are operating safely and that your device is protected from damage due to over-current.The LT3755IMSE-2#TRPBF LED driver also includes a thermal comparison function which monitors the temperature of the device and adjusts the LED current as needed to ensure good thermal performance. Once the LED current is adjusted, the device will enter a low-dropout (LDO) mode and the LED current will be fixed until either the temperature rises or falls again.

Conclusion

The LT3755IMSE-2#TRPBF LED driver is an excellent choice for applications which require a high power output and efficient power management. It provides a wide range of features such as adjustable switch frequency, high efficiency, ultra-low quiescent current, and thermal shutdown protection which make it well-suited for a variety of applications. The device also works using a high-efficiency, pulse-width-modulated (PWM) switching regulator which enables precise current-regulation and thermal-foldback features for optimal performance. All of these features make the LT3755IMSE-2#TRPBF a great solution for powering LEDs.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description