LMS1587CSX-3.3

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The LMS1587CSX-3.3 is one of many available models of linear voltage regulators designed for low voltage applications. It is designed for use in applications that require very low power dissipation and excellent line and load regulation. As such, its applications spand from consumer electronics to industrial and automotive electronics.

The main purpose of the LMS1587CSX-3.3 is to ensure that electronic components are controlled by consistently supplying them a low voltage, usually 3.3 volts. This low voltage is required for certain components such as logic ICs, memory ICs, battery charging ICs, AFEs, digital-to-analog converters, and sensors.

The LMS1587CSX-3.3 sets itself apart from other voltage regulators in that its working principles and design allow it to provide extremely low noise voltage. This is due to its low drop out (LDO) topology, which reduces the output noise of the regulator by as much as 25 dB, even at light loads. The LMS1587CSX-3.3 also features very low quiescent current: just 10 μA at 3.3 V output and 400 μA at 5 V output.

The LMS1587CSX-3.3 uses an onboard capacitor for improved line and load regulation, and its output is adjustable from 1.8 to 5 volts. The maximum output current for the device is specified at 500 mA, and it also features thermal protection and an over-current protection (OCP) circuit.

To ensure reliable operation, the LMS1587CSX-3.3 is equipped with an under-voltage lock out (UVLO) circuit, which prevents it from delivering regulated voltage if the input voltage is lower than a predetermined level. This feature prevents the device from operating under sub-optimal conditions that may damage the component.

The LMS1587CSX-3.3 is a very versatile device and is suitable for a wide range of applications. It is frequently used in consumer electronics, such as cell phones and handheld devices, industrial applications like motor control, and automotive electronics as well. Its low drop out topology, low quiescent current, and adjustable output make it an ideal choice for low voltage applications.

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