NJU6048F-TE1#

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NJU6048F-TE1 is a positive voltage Regulating Mode LED Driver used for driving high power LEDs. It is a monolithic integrated circuit that comes with many functions and features that are typical for PMIC - LED drivers. It is ideal for applications that require efficient lighting such as street lighting, shop lighting, and parking lot lighting.

The NJU6048F-TE1 comes with a full package of functions, such as current limiting, thermal shutdown, over-temperature protection and electrostatic discharge protection, which make it both reliable and efficient. It also includes over-voltage protection and short-circuit protection to ensure a safe working environment. In addition, it is also equipped with an over-current detector that can detect excessive power dissipation and output instability. This ensures the LED lighting works at an optimal level and ensures that the LED driver is not damaged.

The main features of the NJU6048F-TE1 are the wide input voltage range, which ranges from 4.5V to 36V; and the low standby power consumption, which is less than 20 μA. It also has a high power factor of 0.9, which means it can efficiently convert the input power into a usable output. It has a maximum output current of up to 1A and can operate in pulsing or constant current mode.

The LED driver has an easy-to-use configuration. It is compatible with both buck and boost topologies and can be used in three different modes of operation. The NJU6048F-TE1 operates with a high switching frequency of 67 kHz, which reduces the power consumption, which makes it an ideal choice for lighting applications. The device also has a low on-resistance of 0.4Ω and an ultraviolet-light-induced fluorescence detector that can detect UV lamps.

When it comes to the working principle of the NJU6048F-TE1, it is based on a high gain error amplifier that regulates the level of current and voltage reaction, depending on input and output levels. The error amplifier adjusts and maintains the desired current level by comparing the reference voltage (Vref) with the feedback voltage (VFB). The sensed voltage (Vsen) is applied to the negative terminal of the error amplifier. When the input voltage is higher than the reference voltage, the output current will increase to keep the output voltage constant. The output current is regulated by a current sensing circuit, that can adjust the output current from 0A to 1A.

In summary, the NJU6048F-TE1 is a feature-packed and reliable PMIC - LED Driver that is ideal for applications that require efficient lighting. It has a wide input voltage range and a low standby power consumption. It also offers protection against various anomalies, such as over-voltage, over-current, and short-circuits. The LED driver operates with high efficiency and a high switching frequency, ensuring high power factor and good power savings. Finally, it uses a high gain error amplifier that adjusts and maintains a desired level of current and voltage regulation.

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