MP2489DN-LF

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LEDs are widely used in a wide variety of applications such as automotive, medical, general illumination, entertainment, and security. With technological advances, LEDs have become much more efficient and reliable than traditional lighting. The MP2489DN-LF is a Triple-Channel Programmable Boost White LED Driver with integrated pre-charging circuit, which helps provide improved performance and efficiency.

The MP2489DN-LF is an advanced LED driver, designed to drive up to 3 white LEDs. It features an integrated pre-charging circuit that reduces LEDs turn-on stress by reliably maintaining a constant voltage across the LED string even when the input voltage changes. It also features a selectable N-channel MOSFET current sink, allowing users to adjust the LED current level as per their requirement. Moreover, the open LED output pins provide an easy way to configure the LED string prior to LED turn-on.

The programmable boost DC/DC converter is optimized for driving white LEDs with high efficiency. The integrated current flow control allows for accurate current delivery to the LED, which maintains a constant output current even when the input voltage changes. The MP2489DN-LF also provides programmable current levels that can be dialed in with external resistors.

The MP2489DN-LF is designed to meet the stringent EMI requirements of automotive, railway and aerospace applications with integrated spread spectrum. This helps to extend the applications of the LED driver, while maintaining the desired levels of RF interference in the system.

The integrated PFM (Pulse Frequency Modulation) mode helps to reduce the power consumption of the LED driver in idle mode. This helps to reduce the system power consumption and improve the overall efficiency of the LED driver.

The MP2489DN-LF also includes under voltage lock-out and thermal shutdown protection, making it extremely reliable for a wide range of applications. The IC is also qualified for industrial (-40°C to +125°C) and automotive (-40°C to +105°C) temperature grades.

The MP2489DN-LF is ideal for driving white LEDs in a wide range of applications, including automotive, railway, aerospace, consumer electronics and industrial controls. Its wide input voltage range of 3V-17V, selectable output current up to 300mA and low power consumption in both active and standby modes help satisfy the needs of various applications. Its integrated pre-charging and spread spectrum features help to extend the applications of the LED driver while satisfying stringent EMI requirements.

In conclusion, the MP2489 DN-LF is an advanced triple channel programmable boost white LED driver, ideal for driving white LEDs in a wide range of applications. It features an integrated pre-charging circuit for improved performance and efficiency, as well as programmable current levels for accurate current delivery. It also supports under voltage lock-out, thermal shutdown and spread spectrum for improved reliability and wide EMI performance. The MP2489DN-LF is an excellent choice for automotive, railway, aerospace, consumer electronics and industrial control applications.

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