LM3249TLE/NOPB

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The LM3249TLE/NOPB is a special purpose voltage regulator from National Semiconductor\'s latest line of regulator ICs. This device is a high-precision, low-power voltage regulator intended for power supply noise elimination. The device has a dual output configuration, with two selectable output voltages, which makes it an ideal choice for filtering out noise and other power line interference in portable and sensitive digital circuits.

The LM3249TLE/NOPB operates on an advanced design that allows it to offer exceptional performance in two critical areas: noise elimination and low-power. The device is designed to minimize ripple and noise generated by power lines, which can introduce unwanted noise and impede signal clarity in digital circuits. As well, the device is designed with a low-power draw, allowing it to operate with low dissipation even when used in low-current applications.

The device\'s input voltage range is between 3.2 to 28V and it can produce a regulated output voltage on either of its two outputs, depending on the setting of the selection switch located on the chip. The two outputs are adjustable by two external resistors. On the primary output, the device has an adjustment range of 1.235V to 5.5V. The secondary output has an adjustment range of 2.0V to 5.5V. The primary output is protected against overvoltage by an internal current limiter, while the secondary is protected from overvoltage and short circuits with a foldback current limiter.

The LM3249TLE/NOPB is temperature compensated and features both line load regulation and low ripple and noise performance. The device also has a high efficiency rating with a quiescent current draw of only 800µA. This makes the LM3249TLE/NOPB ideal for power sensitive applications and provides excellent protection from power line noise and other interference.

The LM3249TLE/NOPB is a highly versatile device that can be used in a wide variety of applications, including portable equipment, automotive, smart home, and communications. It is most commonly used in power supply noise elimination and signal clarity applications, but can also be used in a variety of other applications, such as as power supply noise attenuation, supply voltage regulation, and protection against power line noise and interference.

In conclusion, the LM3249TLE/NOPB is a high-precision, low-power voltage regulator intended for noise elimination, line-load regulation and low ripple & noise performance. It is an ideal choice for filtering out power line interference and providing excellent signal clarity in portable and sensitive digital circuits. The device is highly versatile and offers great protection with a low-power draw, making it ideal for power-sensitive applications.

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