A6275ELWTR-T

Voltage - Output:	4V
Base Part Number:	A6275
Supplier Device Package:	16-SOIC
Package / Case:	16-SOIC (0.295", 7.50mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Applications:	--
Dimming:	--
Frequency:	20MHz
Current - Output / Channel:	75.5mA
Series:	--
Voltage - Supply (Max):	5.5V
Voltage - Supply (Min):	4.5V
Number of Outputs:	8
Internal Switch(s):	Yes
Topology:	Shift Register
Type:	Linear
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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PMIC - LED DriversThe A6275ELWTR-T are a range of highly efficient, low voltage, regulator chips that are specifically designed for driving high-power LEDs. These integrated circuits (ICs) are typically used in mobile phone displays, automotive lamps, consumer consumer electronics, and other industrial designs. The A6275ELWTR-T provide current-regulated outputs, low power dissipation, and are easy to implement in any application. This article will discuss the applications and working principle of these devices.The A6275ELWTR-T can control current up to 6A, with a dropout voltage of typically 450mV, making it ideal for high-power LED applications. The devices feature a high efficiency with an operating range from 4.5 V to 18 V, making them suitable for a wide range of products. The ICs are also very versatile and can be used for multiple purposes. These include driving LEDs for forward and reverse direction operation, controlling light flicker, dimming and strobing, and providing level shifters for interfacing with high voltage supplies.As the A6275ELWTR-T are low voltage regulator chips, they also have a low thermal resistance and have a high frequency modulation capability. The A6275ELWTR-T have a switching frequency of 1.2 MHz which makes them suitable for applications that require fast switching. This makes them very suitable for LED illumination applications, as these typically require fast switching cycles.The working principle of the A6275ELWTR-T is based on four phases. In the first phase, the voltage is raised to the required level to power the LED. In the second phase, the current flow is regulated using a current sensing circuit. In the third phase, the chip monitors the LEDs and modulates the current level to provide optimum illumination. Finally, in the fourth phase, the chip shuts off the LED when the predetermined level of current and voltage is reached.When used for lighting up high-power LEDs, the A6275ELWTR-T have the following advantages. Firstly, they have a low dropout voltage, meaning they can run at a low voltage while providing a steady light output. Secondly, they are highly efficient, and have a high frequency modulation capability. Lastly, they offer a wide operating range, which makes them suitable for a variety of LED lighting applications.The A6275ELWTR-T are ideal for LED lighting applications, such as those found in mobile phones, automotive lamps, and other electronics designs. They are highly efficient, easy to implement, and have a low dropout voltage, making them ideal for high-power LED applications. With their high frequency modulation capability, these integrated circuits are able to regulate the current and voltage levels of the LEDs to provide optimum illumination. Additionally, the wide operating range makes this device suitable for a variety of applications.

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