RT9284AGJ5E

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RT9284AGJ5E is a PMIC – LED Drivers product from Richtek, a provider of innovative power management solutions. These LED Drivers provide high level of power factor accuracy and ultra-low output ripple and noise for high brightness LED lighting applications. This product can deliver up to 1.8A (Typical) of load current at a peak output power of 38W. With a voltage input range up to 8V, RT9284AGJ5E is well suited for a wide variety of general lighting and portable lighting applications.

RT9284AGJ5E works on the basis of a constant current-mode control architecture. The conversion efficiency is also maximized with primary control of current. In this topology, the external power transistor is connected directly to the input voltage source. On detection of an over-current condition, the controller will limit the output current to the set current level, thus protecting the LED from over-heating or over-load conditions. This device also features adjustable output PWM frequency to minimize the audibility of LED flicker, thereby providing a smooth and uniform light output. The adjustment of the frequency is done using a single resistor, providing a simple method for LED dimming.

RT9284AGJ5E LED Drivers are typically used in LED lighting systems. These LED Drivers can be used in a wide range of LED lighting applications such as ceiling lights, recessed lights, down lights, spot lights, bulb lights and lantern lights. The RT9284AGJ5E is also used in mobile display backlighting, LCD TV/monitors, automotive interior lighting and other lighting applications.

The wide voltage input range of RT9284AGJ5E enables the use of different input voltages, ranging from 5V to 8V. This provides designers with more design flexibility and helps to reduce the number of parts needed for a given application. The RT9284AGJ5E also features over-current protection, over-voltage protection and short circuit protection features to provide reliable operation in all operating conditions.

In terms of user-programmability, the RT9284AGJ5E includes an adjustable output current level and adjustable output frequency. This gives designers the ability to fine-tune their LED Driver to the particular application, saving time and cost. User programmability also allows for improved system performance, providing smoother and uniform light output.

RT9284AGJ5E is an efficient and reliable LED Driver solution from Richtek. It is an ideal choice for general lighting and portable lighting applications, providing excellent power factor accuracy and ultra-low output ripple and noise. It can also be used for wide range of LED lighting applications, including mobile displays, LCD TV/monitors and automotive applications. Thanks to its flexible input voltage range and user-programmability, designers can fine tune their LED Driver solution for cost and performance optimization.

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