LM3535TME-2ALS/NOPB

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The LM3535TME-2ALS/NOPB is an integrated light-emitting diode (LED) driver that provides a regulated current to an LED display. It is used in industrial automation and medical applications and can also be used to drive several LEDs in series, in multiple strings with a single driver. It is categorized as a Programmable Microcontroller Interface Circuit (PMIC) – LED Driver.

The LM3535TME-2ALS/NOPB is a constant-current source that delivers a current from 0.2 mA to 25 mA without the need for external components. It has adjustable feedback current settings and can be controlled with a serial interface using the PWM technique. The device can support up to 5 strings, if each is driven with a separate LM3535TME-2ALS/NOPB driver.

The LM3535TME-2ALS/NOPB driver is designed to be used in applications such as medical monitors, handheld medical devices, portable medical equipment, and medical instrumentation. It is also suitable for general-purpose LED lighting applications, such as corridor lighting and guidance lighting.

The LM3535TME-2ALS/NOPB driver functions by generating a regulated output current to the LEDs by measuring the current passing through the LEDs and comparing it to the current set by the user. If the current passing through the LEDs exceeds the set value, then the LM3535TME-2ALS/NOPB will decrease the voltage across the LEDs in order to maintain constant current. Conversely, when the current passing through the LEDs is lower than the set value, the LM3535TME-2ALS/NOPB will increase the voltage across the LEDs to compensate.

In order to ensure a consistent output current, the LM3535TME-2ALS/NOPB includes a discharge circuit to ensure that the output voltage remains constant. Additionally, the LM3535TME-2ALS/NOPB is designed to minimize the power dissipation by providing a low dropout output. It is also equipped with an input voltage limit protection, overcurrent protection, short-circuit protection, and reverse polarity protection.

The LM3535TME-2ALS/NOPB driver is a compact and reliable device that is designed to provide a robust and consistent LED backlighting solution. Its output current range makes it suitable for driving LEDs in strings of up to 5, while its protection features ensure that it can be safely operated in a wide range of environments.

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