LM3432SQ/NOPB

Voltage - Output:	80V
Base Part Number:	LM3432
Supplier Device Package:	24-WQFN (4x5)
Package / Case:	24-WFQFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Applications:	Backlight
Dimming:	Analog, PWM
Frequency:	--
Current - Output / Channel:	40mA
Series:	--
Voltage - Supply (Max):	40V
Voltage - Supply (Min):	6V
Number of Outputs:	6
Internal Switch(s):	Yes
Topology:	Step-Up (Boost)
Type:	DC DC Regulator
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

The LM3432SQ/NOPB is a PMIC - LED Drivers, providing accurate and reliable power management control for LED systems. It is designed to control the brightness and power consumption of multiple LED outputs, making it ideally suited for applications such as LED displays, LED lighting, and LED security systems. The LM3432SQ/NOPB is optimized for a wide range of LED conditions, ensuring that it provides the best possible performance and long-term reliability.

Application Field

The LM3432SQ/NOPB is well-suited for a wide range of LED applications, including automotive, industrial, and consumer lighting and displays. Its features and specifications make it a versatile and cost-effective solution for almost any scenario. The automotive application is one of the benefits of using the LM3432SQ/NOPB, as it provides an efficient solution for automotive lighting systems. The device can be used to power and control up to four separate outputs, making it perfect for multi-level lights. The adjustable output current for each LED makes sure that the light intensity can be adjusted to the desired level.The LM3432SQ/NOPB is also well-suited for industrial applications, as it can control up to four outputs, and the output current of each LED can be adjusted in order to fit requirements. The ability to control multiple LED outputs can be used to create high-quality LEDs with a wide range of color options. Finally, the LM3432SQ/NOPB is also very useful for consumer lighting and applications, as it provides an efficient and cost-effective solution for LED displays and lighting systems. The device can be used to control a variety of LED colors, allowing the user to create displays with unique lighting effects.

Working Principle

The LM3432SQ/NOPB is a power control device, providing accurate and reliable control for LED systems. It works by using a voltage-feedback mechanism, where the output current of the LED is controlled by a voltage drop across a resistance. This ensures that the current is constant over a wide range of LED conditions, ensuring the accuracy and reliability of the LED output. The LM3432SQ/NOPB uses a three-phase voltage regulator to regulate the output voltage and current of the LED. It also implements a voltage-mode control algorithm for higher efficiency and improved EMI/RFI immunity. Furthermore, the LM3432SQ/NOPB includes an adjustable reference voltage, allowing the user to adjust the output voltage and current to achieve the desired settings.The device also includes low-side current sensing, allowing the user to monitor the current across each of the LEDs. This can be used to detect faults or to monitor the load conditions. The LM3432SQ/NOPB also supports biasing, allowing the device to be used with a variety of LED systems, including LEDs with a wide range of forward voltages.

Conclusion

The LM3432SQ/NOPB is a PMIC - LED Drivers providing accurate and reliable power management control for LED systems. It is designed to control the brightness and power consumption of multiple LED outputs, making it well suited for a wide range of applications. The device works by using a voltage-feedback mechanism, implementing a three-phase voltage regulator, and including an adjustable reference voltage. It also includes low-side current sensing and supports biasing, allowing the device to be used with a variety of LED systems. Overall, the LM3432SQ/NOPB is a versatile and cost-effective solution for any LED application.

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