LP2951CS-L-3-3/TR

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LP2951CS-L-3-3/TR is a three-terminal, low-dropout (LDO) voltage regulator from the Linear Power Management Integrated Circuit (PMIC) family. It comes as a two-package TO-254/TO-263-4 SMPD variant and provides a voltage output range of 1.24 V to 33 V with a minimum maximum load current of 0.09A. LP2951CS-L-3-3/TR is optimized for minimum dropout voltage, line-transient response, minimum quiescent current, and output accuracy.

LP2951CS-L-3-3/TR has an operating temperature range of -40°C to +125°C, voltage line regulation of 3 mV (max), current limit foldback of 30%, and a voltage output accuracy of 0.5%. It also features fast line and load transient response, as well as short-circuit protection with current foldback. The input voltage range is +2.5 V to +33V, while the dropout voltage is only 170 mV at 100 mA.

LP2951CS-L-3-3/TR can be used in a wide range of applications including load current sources, battery powered systems, PC power supply, CPU power supplies, data processing and computer systems, LCD backlight supplies, audio amplifiers, and precision analog banks. It is also suitable for automotive, communication, and instrumentation applications.

The working principle of LP2951CS-L-3-3/TR involves the use of an Error Amplifier circuit that compares the input reference voltage to the output voltage, and then a Regulating Transistor circuit that uses the output voltage of the Error Amplifier to control the current entering the output by controlling the amount of current flowing through it. The current is then used to regulate the output voltage.

In short, the LP2951CS-L-3-3/TR is an effective voltage regulator with a wide range of applications and features. It provides a high degree of accuracy, low dropout voltage and current, and fast line and load transient response. When used in any application, it is sure to provide reliable performance and voltage regulation.

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