LM3402HVMM/NOPB

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PMIC (power management integrated circuits) play a critical role in power requirements of electronic circuits and systems. LED (light-emitting diode) drivers take an important part in PMIC. LM3402HVMM/NOPB is designed for high-performance LED lighting applications that require high reliability, efficiency, and accuracy.

Application Field of LM3402HVMM/NOPB

LM3402HVMM/NOPB is a power-dense solution for driving high-power white and RGB LEDs. In lighting applications, LM3402HVMM/NOPB is well-suited for driving high-power LEDs for applications like ambient lighting for cars, street lights, and flood lights. Additionally, LM3402HVMM/NOPB is suitable for usage in various display applications, such as LCDs, OLEDs, and EL backlights.

It also provides a dimming range of 0 to 100 percent, making it ideal for applications that require dynamic brightness control to conserve energy or regulate heat. Further, this driver provides protection against open or shorted loads and also offers thermal shutdown and hiccup. As such, LM3402HVMM/NOPB can ensure reliability and stability across a wide range of operating conditions.

Working Principle of LM3402HVMM/NOPB

LM3402HVMM/NOPB is a current buck-converter which steps down the input voltage to drive one or more LEDs. The device features a low side current sensing to control the LED current. The current control loop uses a PWM input pin, which passes through an external resistor/capacitor filter for enabling the LED current to be established.

Specifically, this driver can detect the AC line voltage and then adjust the LED current up and down in order to maintain the LED brightness. Additionally, the presence of integrated Band-Gap Reference Feedback and Programmable Slope Motor Control further helps in accurately regulating the LED current.

In short, LM3402HVMM/NOPB is an ideal solution for automotive, outdoor lighting, and display applications that require high reliability, efficiency, and accuracy. This driver can help to create applications with dynamic brightness settings for conserving energy or reducing heat.

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