LP2985-28DBVR

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Linear Regulated Voltage is a type of power management integrated circuit (PMIC) that is used to regulate an output voltage, which the voltage converter will continue to supply the output voltage at a steadily maintained level. The LP2985-28DBVR designed specifically for a variety of programmable power supply applications is an example of such a device. It consists of high precision reference, voltage error amplifier, thermal shutdown circuit, overvoltage and undervoltage protection circuits, an oscillator and a series of low dropout (LDO) voltage regulators.

The working principle of the LP2985-28DBVR PMIC is as follows. The internal reference circuit provides an accurately controlled reference voltage that is then compared to the output of the error amplifier. The difference between the two signals is used to generate the voltage feedback signal. The voltage regulator then constantly adjusts its speed so the output voltage stays at the necessary level relative to the reference voltage. An input voltage source is used to charge the output filter capacitor to provide the required output voltage.

The LP2986-28DBVR PMIC can be used in a wide range of systems, from computers, portable handheld devices, and consumer applications to industrial environments. These applications include instrumentation, communication systems, information systems, programmable power supplies and computing systems. It offers a highly regulated, low-dropout (LDO) current mode regulated output voltage that can be precisely programmed using an external reference voltage and can operate with input voltages ranging from 1.7V to 5.5V. Additionally, it has the optional enable pin that can be used to enable and disable the device.

The LP2985-28DBVR has additional features such as overtemperature protection, overvoltage, and undervoltage shutdowns and adjustable current limit, making it suitable for a variety of applications. Furthermore, it has a wide operating temperature range of -40 degrees Celsius to +125 degrees Celsius, making it ideal for a variety of applications including those in harsh environments.

In summary, the LP2985-28DBVR is a Linear Regulated Voltage PMIC with many features and a wide operating temperature range that can be used in a variety of application fields. Its internal reference circuit, error amplifier, thermal shutdown circuits, overvoltage and undervoltage protection, oscillator and series of LDO voltage regulators provide an accurate and precisely programmed output voltage that can be used in a variety of computer, industrial and consumer applications.

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