LP3985IM5X-3.2/NOPB

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The LP3985IM5X-3.2/NOPB is a member of Texas Instruments’ LP39xx family of power-management integrated circuits (PMICs) that are specifically designed for voltage regulator applications. This family has a wide range of options from which to choose in order to achieve the desired power management level. Each member of the LP39xx family of PMICs is an adjustable linear voltage regulator that integrates precision voltage regulation, a power-on reset (POR) circuit, and various switch-input protection features. Of these features, the adjustable linear voltage regulator is particularly valuable as it allows designers to fine-tune the output voltage as required by their application.

The LP3985IM5X-3.2/NOPB is designed to provide the customer the capability to program the output voltage range from 2.5V to 5V. This allows them to customize the output voltage to fit specific needs. The on-chip protection features of the LP3985IM5X-3.2/NOPB also provide critical protection for the device and its surrounding circuitry, allowing system designers to use the LP3985IM5X-3.2/NOPB in a variety of applications with complete peace of mind. The LP3985IM5X-3.2/NOPB dissipates very little heat, making it an ideal choice for battery-powered systems.

In terms of the application field, the LP3985IM5X-3.2/NOPB can be used for fixed-voltage power converters, point-of-load power converters, power supply systems, power adapters, and automotive, industrial, and aerospace applications. In terms of working principle, the LP3985IM5X-3.2/NOPB is designed to provide a constant, adjustable output voltage with a minimum of external components. The device uses an Advanced Step-Down Switched-Capacitor Converter topology that enables it to deliver high efficiency and current limit capability while consuming very little power.

The device consists of an NPN power switch, a feedback circuit, and several protection features. The NPN power switch is used to regulate the output voltage. The feedback circuit monitors the output voltage and adjusts the duty cycle of the NPN power switch to maintain the desired output voltage. The protection features provide protection from over-current, over-temperature, and voltage malfunction conditions. The device also includes a software-programmable power-on reset (POR) feature that prevents uncontrolled output voltages due to data corruption or system crashes.

Overall, the LP3985IM5X-3.2/NOPB is an adjustable linear voltage regulator that is specifically designed for voltage regulator applications. It provides the customer the capability to program the output voltage range from 2.5V to 5V and is perfect for battery-powered systems thanks to its excellent heat dissipation. Additionally, it has various switch-input protection features and a software-programmable power-on reset (POR) feature, making it an ideal choice for a wide variety of applications including fixed-voltage power converters, point-of-load power converters, power supply systems, and power adapters.

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