L4989D013TR Integrated Circuits (ICs)

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The L4989D013TR is a linear voltage regulator featuring wide input voltage range, low quiescent current, high ripple rejection and excellent stability. It belongs to the family of Power Management IC – Voltage Regulators – Linear.

The L4989D013TR is ideal for low power, low noise and very low ripple applications such as communication systems, medical equipment, and computer peripherals. It provides the most cost effective solution for providing “clean” power to achieve high quality performance for key applications. The wide input voltage range has been designed to operate on both unregulated and regulated DC power supplies.

The L4989D013TR has a wide operating temperature range from -40°C to +125°C, which is a great feature for applications in industrial or automotive markets. Its low quiescent current, high ripple rejection, and excellent stability all contribute to a highly efficient solution for a wide range of DC-DC regulated power supplies and postregulators. In addition, its low noise output and wide operating voltage range makes it suitable for a broad range of power supply applications.

The L4989D013TR works by eliminating the voltage surge created by transient voltages which occurs when an application is connected to larger DC voltage sources. It features an internal transconductance of 0.8V/V and an ultra-low quiescent current of 15 μA. This results in an extremely low and accurate output voltage noise suitable for powering sensitive electronic components such as analog-to-digital converters.

In addition, the L4989D013TR features short-circuit protection (SCP) and thermal cut-off (TCO). SCP provides protection against overload conditions by isolating the output voltage from the main supply. TCO ensures that the device does not overheat by automatically disabling it when it reaches unsafe temperatures. Both SCP and TCO are essential safety features for reliable use and to prevent system damage or data loss.

To sum up, the L4989D013TR is an ideal linear voltage regulator for a wide range of applications. It offers wide input voltage range, low quiescent current, high ripple rejection, excellent stability, and SCP and TCO for reliable operation. Its wide temperature range, low noise output and superior efficiency make it a popular choice for low power, low noise and very low ripple applications.

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