LP3852ET-1.8

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Linear voltage regulators are an essential component in a wide array of applications, especially those utilizing power management ICs (PMICs). The LP3852ET-1.8 is a low-dropout (LDO) regulator specifically designed for applications that demand high accuracy and fast transient response. This device provides two adjustable output pins for approximating a linear regulator to a single precision adjustable voltage reference.

The LP3852ET-1.8 consists of an error amplifier, a P-channel MOSFET pass device, an on-chip divider to set the reference voltage, as well as other features to ensure reliable operation. The LP3852ET-1.8 has a wide input voltage range from 4.5V to 24V and a low-dropout voltage of only 0.5V. The device also offers an adjustable output voltage between 1.2V and 1.8V.

The error amplifier of the LP3852ET-1.8 quickly senses any difference between the output voltage and the reference voltage. The amplifier then drives the pass device to regulate the output voltage to match the reference. The pass device is enabled and disabled under the control of the error amplifier. If the error signal is low, the pass device is enabled, allowing current to flow through the load. Conversely, if the error signal is high, the pass device is disabled, turning off the device.

The LP3852ET-1.8 can be used in a variety of applications, from consumer electronics to automotive systems. It is an ideal solution for power supplies that require fast transient response, low dropout voltage, adjustable output and good accuracy. The device also features a thermal shutdown protection and an overcurrent-protection function to ensure its safe operation.

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