LM3253TME/NOPB

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The LM3253TME/NOPB is a DC-DC LED driver product from Texas Instruments which exhibits excellent solutions to general applications specially meant for portable systems and long battery life applications. This product is a part of the special purpose voltage regulator category of PMIC (Power Management IC) components.

The LM3253TME/NOPB DC-DC LED driver is designed for voltage-input current-mode control devices. It works on a constant off-time architecture principle, which enables a stable output current for a specified time given an input reference voltage. Moreover, a low start-up current design will effectively extend reverse battery protection from -6V to -50V. It also offers protection against over voltage, under voltage, over temperature, and short circuit conditions.

The LM3253TME/NOPB is also designed for a variety of applications, including high brightness LED (HBLED) control, battery-powered LED lighting, as well as efficient LED string current control. Its features also allow it to be used in architectural lighting, LED backlighting, and decoder solutions. This product performs with high efficiency and delivers a steady output voltage in a very wide input voltage range.

The LM3253TME/NOPB features a maximum output current of 800mA and a low shutdown current of 10µA. It can also support an adjustable frequency of typically 160kHz, while its enable pin is used to turn ON and turn OFF the converter. The enable pin also features a current sense buffer, allowing maximum flexibility in interfacing with LEDs. It also has the integrated feature of Analog Dimming, which adjusts the output current from 0% to 100% depending on the input voltage applied. Further, the device is protected against over-temperature conditions and EMI (Electro Magnetic Interference).

In addition, the LM3253TME/NOPB is available in a flexible, space saving, low profile 5mm x 5mm QFN-16 package. It operates at temperatures ranging from -40°C to +85°C, and is available in commercial, automotive, and industrial grade options.

In conclusion, the LM3253TME/NOPB provides excellent power solutions with an efficient combination of features and functions. With low start-up current design, high efficiency, and customer-specific features and functions, this voltage regulator is an optimal choice for use in general applications and portable system. Due to its flexible and low profile packaging, it is sure to meet the needs of any customer.

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