LM3447-A19-120VEVM

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The LM3447-A19-120VEVM is a versatile development board designed to demonstrate the features of the LM3447 LED driver. The development board can be used in a variety of applications, including automotive, industrial, and medical segments. It can also be used as an evaluation board for characterizing and testing the full range of LM3447 LED driver features. The LM3447-A19-120VEVM is compatible with many existing reference design architectures and can be used to quickly evaluate the performance of various LED drivers.

The LM 3447 LED driver is a high efficiency, current mode LED driver capable of driving up to 6 LEDs in a single string. The driver can operate in both constant-on and variable-on modes, allowing the user to adjust the brightness of the LED string. It also features on-board frequency hopping, PWM filtering and dimming control to reduce RF interference, as well as current and thermal protection. The LM3447 can operate at a wide range of input voltages and provides multiple control options including voltage control, input voltage trimming and linear current control. All of these features make the LM3447 an ideal solution for automotive, industrial, and medical applications.

In addition to its high efficiency, the LM3447 also offers temperature and thermal performance advantages over other LED drivers. The LM3447 has an on-board temperature sensor that continuously monitors the temperature of the LED string and adjusts the output voltage accordingly, ensuring the LED string never exceeds its maximum rated temperature. The driver also limits the maximum current during startup to prevent thermal shock. This provides superior thermal protection for the LED string and helps to ensure a longer life span for the LEDs.

The LM3447 development board provides a complete system solution for evaluating the LM3447 LED driver. The board includes an input voltage range of 4.5V to 42V, enabling testing of different applications and environments. The board also includes a range of digital controls and features that can be used to customize the LED driver\'s behavior. This includes configurable control parameters such as frequency hopping, dimming control, current protection levels and over-voltage protection.

The board has an on-board microcontroller that can be used to configure the LED driver parameters and to monitor the driver performance. The microcontroller also provides data logging and debugging capabilities, eliminating the need for external debugging hardware. The board also has a USB interface for connection to a PC for programming, data logging, and debugging. The LM3447-A19-120VEVM is a highly versatile evaluation board that can be used to quickly evaluate the performance of the LM3447 LED driver in automotive, industrial, and medical applications.

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