LP3943ISQX

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Power Switch
Topology:	Shift Register
Internal Switch(s):	Yes
Number of Outputs:	16
Voltage - Supply (Min):	2.3V
Voltage - Supply (Max):	5.5V
Voltage - Output:	--
Current - Output / Channel:	25mA
Frequency:	--
Dimming:	I²C, SMBus
Applications:	Camera Flash
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	24-WFQFN Exposed Pad
Supplier Device Package:	24-WQFN (4x4)
Base Part Number:	LP3943

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<p>PMIC - LED Drivers engineering is one of the most exciting and rapidly growing areas in the energy sector today. A variety of new and innovative approaches that involves using the most efficient and cost effective components and technologies to maximize energy output and minimize energy losses has opened up possibilities in the application of LED Drivers. The LP3943ISQX is a cutting-edge LED Driver technology in this field that is becoming increasingly popular. It has great potential as a tool to reduce energy consumption and provide LED lighting solutions that are high in efficiency and cost-effectiveness.</p><p>LP3943ISQX is an Integrated Single-Channel LED Driver that provides dimming function for LED lighting. The device packs a high-efficiency step down converter and a linear current regulator into a small, low cost, and extremely efficient 4x4mm package. It integrates a variety of features to help optimize lighting for consumer and commercial applications. The features include constant current, differential remote voltage and wide input voltage range, etc.</p><p>The LP3943ISQX LED Driver has a wide range of application fields which includes consumer products, commercial lighting and automation systems. It is also suitable for indoor and outdoor lighting applications to achieve uniform lighting. This LED Driver can operate reliably within an extended temperature range, and its low power consumption makes it an ideal choice for a wide range of applications.</p><p>The working principle of LP3943ISQX is leveraging the properties of an integrated step-down DC-DC convertor with linear current regulator to provide constant current for dimming LEDs. The device further features built-in fault protection and diagnostics for monitoring output voltage. The efficiency of the device is further boosted with the help of its integrated 13-bit analog digital dimming, load regulation and phase shift control. The DC/DC chip constantly supplies an ideal voltage level for the LED, and the linear regulator senses the required current of the LED load and maintains a constant current with the help of p-channel MOSFET.</p><p>The LP3943ISQX features an integrated self-protection function which guards against over-voltage, under-voltage and short circuit. This self-protection feature provides the necessary safety measures which ensures the long-term reliability and efficient performance of the device.</p><p>LP3943ISQX is a 4x4mm, low cost and efficient LED driver that offers a reliable solution to dimming LEDs. It is a versatile device suitable for a wide range of applications and the integrated protection and monitoring features provide safety measures and maintain the long-term reliability of the device. The LP3943ISQX has the potential to revolutionize LED lighting by providing efficient, cost-effective, and reliable LED solutions.</p>

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