LV52205MUTBG Integrated Circuits (ICs)

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LV52205MUTBG is a high brightness LED driver from ROHM Semiconductor also known as an LED lighting amplifier IC. This LED driver is ideal for wide variety of applications such as LED backlight displays for consumer electronics products, smart phones and automotive backlighting. This LED driver provides an accurate current regulation output for a variety of LED strings and its small form factor allows it to be easily incorporated in new designs.

LV52205MUTBG is a high-efficiency, high-brightness LED driver with integrated high voltage MOSFETs. It has a wide input voltage range which allows it to operate from 9V to 36V and its maximum output current reaches up to 200mA. This LED driver is capable of controlling up to 8 LED strings at the same time with a selectable constant current. Its low start-up current allows the device to turn on quickly. Furthermore, this LED driver also features protection against current overshoot/undershoot, open/short LED, and temperature limit.

The working principle of the LV52205MUTBG is based on converted PWM signal mode. The LV52205MUTBG receives a master clock signal and feedback signal through its pins, then the PWM signal is converted to the appropriate analog signal and amplified by the output stage. The output current is then regulated using the feedback signal which is compared to a reference voltage, so it can maintain a constant current under different voltage conditions.

The LV52205MUTBG is widely used in backlight displays, commercial and automotive lighting and other applications that require high efficient, highly accurate and stable current sources. Its small form factor allows it to be easily incorporated into electronics designs and its wide operating voltage and output current range allows it to be used for a variety of applications. Furthermore, the integrated protection feature ensures that the device is protected against any unwanted current overshoot/undershoot, open/short LED, and over temperature.

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