LP2985AIBPX-2.8/NOPB

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The LP2985AIBPX-2.8/NOPB is a voltage regulator integrated circuit (IC) of the Linear PMIC - Voltage Regulators category. This device is designed to provide optimal low-noise voltage regulation and system level performance. It provides a user-adjustable output voltage of 2.8 V, with output current up to 150 mA, while featuring open-loop output voltage accuracy of ±0.5%.

The LP2985AIBPX-2.8/NOPB is ideally suited for many different application fields due to its low power consumption, thermal shutdown protection, and reverse battery protection. It is useful for mobile phone applications requiring wide input voltage range and for automotive applications. This chip is also suitable for portable medical devices and instruments, battery-powered systems, test and measurement equipment, and embedded applications.

The LP2985AIBPX-2.8/NOPB\'s working principle is based on a linear regulator. It uses a variable resistor to divide a portion of the output voltage into a reference voltage, which is compared to the input voltage through the voltage error amplifier. When the output voltage reaches the specified setpoint, the resistance of the variable resistor is adjusted in order to maintain the desired output voltage.

In order to improve its efficiency, the LP2985AIBPX-2.8/NOPB features a low-dropout (LDO) design where the input voltage is typically up to 1.5 V greater than its output voltage. This allows for a more efficient conversion of energy from the input voltage to the output voltage, making it more power efficient. The low-quiescent current design also helps minimize power consumption.

The LP2985AIBPX-2.8/NOPB also has other features, including built-in thermal shutdown protection which prevents the device from overheating and eliminates the need for an external thermal monitor, as well as reverse battery protection which prevents it from operating when the input voltage is below 0V. Furthermore, the transistor-to-transistor logic (TTL) shutdown function helps reduce power consumption, while the soft-start feature reduces inrush current and startup time.

The LP2985AIBPX-2.8/NOPB is a highly efficient and reliable linear voltage regulator which is suitable for a wide range of applications. Its low power consumption, wide input voltage range, reverse battery protection and thermal shutdown protection make it a great choice for energy-sensitive applications. Its adjustable output voltage and low-quiescent current design offer excellent system level performance and power efficiency, making it an ideal choice for embedded applications and portable devices.

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